Side by side comparison and review of Apple Watch Series 3 (GPS + Cellular) and Apple Watch Series 4 (GPS). Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
GENERAL | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Product Type | Smart watch | Smart watch |
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Operating System | WatchOS 5 | WatchOS 5 |
Supported Host Device OS | iOS 11 or later | iOS |
Wearing Style | Watch style | Watch style |
Audio Input | Microphone | Microphone |
Audio Output | Speaker | Speaker |
Width | 33.3 mm | 34 mm |
Height | 38.6 mm | 40 mm |
Depth | 11.4 mm | 10.7 mm |
Weight | 28.7 g | 30.1 g |
Body Material | Anodised aluminium | Anodised aluminium |
Protection | Waterproof | Water-resistant |
Clock Display | Yes | Yes |
FEATURES | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Sensors | Accelerometer, ambient light sensor, gyro sensor, heart rate, barometric altimeter | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor |
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Tracking Data | Distance, time, calories burned, activity, heart rate, steps taken | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index |
Goal Setting | Yes | Yes |
Features | Call handling, music remote handling, camera remote control, listening to music, Retina Display technology, text messages handling | Music remote handling, ECG accurate heart rate, listening to music, Retina Display technology, call alerts, automatic exercise recognition, Fall detection, Emergency SOS |
Notifications | Calendar, SMS, Email | Calendar, SMS, Email |
Vibrating Alert | Yes | Yes |
Feedback Type | Audio alert, vibration alert, visual interface | Audio alert, vibration alert, visual interface |
Navigation (GPS) | GPS/GLONASS/Galileo/QZSS receiver | GPS/GLONASS/Galileo/QZSS receiver |
Internet of Things (IoT) Compatible | - | Yes |
IoT Intelligent Assistant | Siri | Siri |
CELLULAR | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Technology | WCDMA (UMTS) / GSM | - |
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Mobile Broadband Generation | 4G | - |
SIM Card Type | Electronic SIM card (e-SIM) | - |
Messaging Services | SMS | - |
Supported Mobile Messaging Services | SMS | - |
CONNECTIVITY | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.2 | IEEE 802.11b/g/n, Bluetooth 5.0 |
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DISPLAY | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Type | OLED - colour | LTPO OLED - colour |
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Resolution | 272 x 340 pixels | 324 x 394 pixels |
Screen Protection | Ion-X glass | Ion-X glass |
INPUT DEVICE | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Type | Touch sensitive screen (Force Touch) | Touch sensitive screen (Force Touch) |
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CASE | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Case Size | 38 mm | 40 mm |
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Case Back | Ceramic back | All ceramic and sapphire crystal back |
Case Details | Silver aluminium | Space grey aluminium | Gold aluminium | Stainless steel | Space black stainless steel | Silver aluminium | Space grey aluminium | Gold aluminium |
Crown Type | Digital | Digital with haptic feedback |
BAND | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Band Type | Sport band | Sport band |
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Fits Wrist with Circumference | 130-200 mm | 130-200 mm |
Clasp Type | Pin-and-tuck | Pin-and-tuck |
Band Material | Fluoroelastomer | Fluoroelastomer |
Band Colour | White | Black | Fog | Pink sand | Seashell | Dark olive | Soft white | Grey | Space black | White | Seashell | Black | Pink sand |
STORAGE | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Storage Capacity | 16 GB | 16 GB |
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CPU | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Manufacturer | Apple | Apple |
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CPU Type | S3 | S4 |
Features | W2 Apple wireless chip | W3 Apple wireless chip |
BATTERY | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Technology | Lithium Ion | Lithium Ion |
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Battery Life | 18 hours | 18 hours |
MISCELLANEOUS | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Series 4 (GPS) |
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Included Accessories | Power adapter, magnetic charging cable | Power adapter, magnetic charging cable |
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Preloaded Software | Siri | - |
SAR Value | 0.14 W/kg (head), 0.15 W/kg (limb) | - |
Max Depth of Water Resistance | 50 m | 50 m |