Apple Watch 4 vs Watch Series 3 and 2: What’s new and different? – CNET

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19-apple-watch-series-4-larger-44mm
The Apple Watch 4.


Sarah Tew/CNET

With Prime Day approaching soon on July 15, sales of various tech products from various retailers are happening throughout the week. The Apple Watch and its many iterations, in particular, are being discounted by retailers like Amazon and Walmart. The Apple Watch Series 3, for example, is $200 at Amazon and starts at $230 at Walmart. You can also find several different types of Apple Watch bands to style your wearable, and they range from sleek and professional, to downright gaudy.

But figuring out what exactly each generation of Apple Watch is capable of can be confusing. For starters, the Apple Watch Series 4 is the most recent and most advanced. It has a bigger display and an ECG sensor for more accurate heart readings. The Watch Series 3 came out in 2017 and introduced LTE connectivity. The Series 2 before that featured GPS and water resistance.

With Apple unveiling the latest WatchOS 6 at WWDC 2019, we anticipate even more health features for the upcoming Watch Series 5, including a menstrual cycle tracker and a Noise app. There are also plenty of other unverified rumors that speculate a few other surprising features. Until Apple officially launches the wearable however, check out the chart to see how each Apple Watch differs from one another. And check out our in-depth comparison between the Series 4 and Series 3.

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<figure class="shortcode chart type_geekboxchart" section="shortcodeGeekboxChart">

                                <h2><span>Apple Watch Series 4, 3 and 2 comparison</span></h2>
                        <div class="chartWrapper">
        <table>
                                                                                                                                                                                                                            <tbody readability="20.5">

                                    <tr>



                                                                                    <th>
                                                                        <br></th>



                                                                                    <td>
                                                                        <span data-shortcode="link" data-asset-type="review" data-uuid="4aebc438-3ee4-41f7-80f3-37619dfd84f8" data-slug="apple-watch-series-4" data-link-text="Apple Watch 4" data-href="https://www.cnet.com/reviews/apple-watch-series-4-review/" data-edition="us" data-shortcode-hash="cbaf07befd11c0ed7b77fc9c020b612e" data-shortcode-parser-id="cbaf07befd11c0ed7b77fc9c020b612e_18">Apple Watch 4</span>
                                                                </td>



                                                                                    <td>
                                                                        <span data-shortcode="link" data-asset-type="review" data-uuid="206053e5-e7a5-45f4-a3a9-cf5e58b654b8" data-slug="apple-watch-3" data-link-text="Apple Watch 3" data-target="_blank" data-href="https://www.cnet.com/products/apple-watch-3/preview/" data-edition="us" data-shortcode-hash="11b5a310e647225ea0fb3a8952bdb7f7" data-shortcode-parser-id="11b5a310e647225ea0fb3a8952bdb7f7_19">Apple Watch 3</span>
                                                                </td>



                                                                                    <td>
                                                                        <span data-shortcode="link" data-asset-type="review" data-uuid="002c3d55-75c7-4d14-91a0-a3bb7dd8b856" data-slug="apple-watch-series-2" data-link-text="Apple Watch Series 2" data-target="_blank" data-href="https://www.cnet.com/products/apple-watch-series-2/review/" data-edition="us" data-shortcode-hash="594f11ccc5609028a4fe397a5caef847" data-shortcode-parser-id="594f11ccc5609028a4fe397a5caef847_20">Apple Watch Series 2</span>
                                                                </td>
                                                                                                                                    </tr>


                                    <tr readability="6">



                                                                                    <th>
                                                                        Display
                                                                </th>



                                                                                    <td>
                                                                        40mm: 1.57-inch OLED; 44mm: 1.73-inch OLED
                                                                </td>



                                                                                    <td>
                                                                        38mm: 1.5-inch OLED; 42mm: 1.65-inch OLED  
                                                                </td>



                                                                                    <td>
                                                                        38mm: 1.5-inch OLED; 42mm: 1.65-inch OLED
                                                                </td>
                                                                                                                                    </tr>


                                    <tr readability="6">



                                                                                    <th>
                                                                        Resolution
                                                                </th>



                                                                                    <td>
                                                                        40mm: 368x448 (369 ppi); 44mm: 324x394 (295 ppi)
                                                                </td>



                                                                                    <td>
                                                                        38mm: 340x272 (290ppi); 42mm: 390x312 (302 ppi)  
                                                                </td>



                                                                                    <td>
                                                                        38mm: 340x272 (290ppi); 42mm: 390x312 (302 ppi)
                                                                </td>
                                                                                                                                    </tr>


                                    <tr readability="6">



                                                                                    <th>
                                                                        Dimensions
                                                                </th>



                                                                                    <td>
                                                                        40mm (steel): 40x34x10.7mm; 44mm (steel): 44x38x10.7mm
                                                                </td>



                                                                                    <td>
                                                                        38mm: 38.6x33.3x11.65mm; 42mm: 42.5x36.4x11.65mm 
                                                                </td>



                                                                                    <td>
                                                                        38mm: 38.6x33.3x11.4mm; 42mm: 42.5x36.4x11.4mm
                                                                </td>
                                                                                                                                    </tr>


                                    <tr readability="6">



                                                                                    <th>
                                                                        Protection
                                                                </th>



                                                                                    <td>
                                                                        All ceramic and sapphire crystal back
                                                                </td>



                                                                                    <td>
                                                                        Ion-X glass; Sapphire crystal on Steel and Ceramic models  
                                                                </td>



                                                                                    <td>
                                                                        Ion-X glass; Sapphire crystal on Steel and Ceramic models
                                                                </td>
                                                                                                                                    </tr>


                                    <tr readability="6">



                                                                                    <th>
                                                                        Strap size
                                                                </th>



                                                                                    <td>
                                                                        Proprietary; interchangeable    
                                                                </td>



                                                                                    <td>
                                                                        Proprietary; interchangeable  
                                                                </td>



                                                                                    <td>
                                                                        Proprietary; interchangeable
                                                                </td>
                                                                                                                                    </tr>


                                    <tr readability="2">



                                                                                    <th>
                                                                        Finishes
                                                                </th>



                                                                                    <td>
                                                                        Aluminum and stainless-steel
                                                                </td>



                                                                                    <td>
                                                                        Aluminum
                                                                </td>



                                                                                    <td>
                                                                        Aluminum
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        Processor
                                                                </th>



                                                                                    <td>
                                                                        Apple S4
                                                                </td>



                                                                                    <td>
                                                                        Apple S3
                                                                </td>



                                                                                    <td>
                                                                        Apple S2
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        RAM
                                                                </th>



                                                                                    <td>
                                                                        TBD
                                                                </td>



                                                                                    <td>
                                                                        768MB
                                                                </td>



                                                                                    <td>
                                                                        512MB
                                                                </td>
                                                                                                                                    </tr>


                                    <tr readability="3">



                                                                                    <th>
                                                                        Storage
                                                                </th>



                                                                                    <td>
                                                                        16GB
                                                                </td>



                                                                                    <td>
                                                                        16GB cellular, 8GB GPS only
                                                                </td>



                                                                                    <td>
                                                                        8GB (2GB for music)
                                                                </td>
                                                                                                                                    </tr>


                                    <tr readability="2">



                                                                                    <th>
                                                                        Battery
                                                                </th>



                                                                                    <td>
                                                                        "Up to 18 hours"
                                                                </td>



                                                                                    <td>
                                                                        "Up to 18 hours"
                                                                </td>



                                                                                    <td>
                                                                        38mm: 273 mAh; 42mm: 334mAh
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        Operating system
                                                                </th>



                                                                                    <td>
                                                                        Watch OS 5
                                                                </td>



                                                                                    <td>
                                                                        Watch OS 4 to 5
                                                                </td>



                                                                                    <td>
                                                                        Watch OS 3 to 5
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        Scroll wheel
                                                                </th>



                                                                                    <td>
                                                                        Yes with haptic feedback
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        Microphone
                                                                </th>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>
                                                                                                                                    </tr>


                                    <tr readability="2">



                                                                                    <th>
                                                                        Loudspeaker
                                                                </th>



                                                                                    <td>
                                                                        Yes (50% louder than Series 3)
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        Vibration
                                                                </th>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        Wi-Fi
                                                                </th>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        NFC
                                                                </th>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        GPS
                                                                </th>



                                                                                    <td>
                                                                        Yes  
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        LTE
                                                                </th>



                                                                                    <td>
                                                                        Yes  
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        No
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        Fall detection
                                                                </th>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        No
                                                                </td>



                                                                                    <td>
                                                                        No
                                                                </td>
                                                                                                                                    </tr>


                                    <tr readability="2">



                                                                                    <th>
                                                                        Heart-rate sensor
                                                                </th>



                                                                                    <td>
                                                                        Yes (electrical and optical)
                                                                </td>



                                                                                    <td>
                                                                        Yes (optical)
                                                                </td>



                                                                                    <td>
                                                                        Yes (optical)
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        Ambient light sensor
                                                                </th>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>



                                                                                    <td>
                                                                        Yes
                                                                </td>
                                                                                                                                    </tr>


                                    <tr>



                                                                                    <th>
                                                                        Water-resistant
                                                                </th>



                                                                                    <td>
                                                                        5 ATM; 50 meters  
                                                                </td>



                                                                                    <td>
                                                                        5 ATM; 50 meters
                                                                </td>



                                                                                    <td>
                                                                        5 ATM; 50 meters
                                                                </td>
                                                                                                                                    </tr>

                                                            </tbody>

                                        </table>
    </div>
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            <h2>Apple - USE TAG</h2>



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