Apple Watch Series 2 (42mm) vs Apple Watch Series 4 (44mm) Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| Apple Watch Series 2 (42mm) | Apple Watch Series 4 (44mm) |
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Released
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September 2016
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Released
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September 2018
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1.6-inch · 390x312px
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1.8-inch · 448x368px
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0.5GB · 8GB
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1GB · 16GB
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334 mAh
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292 mAh
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| Check Accessories | Check Accessories |
Design
| Dimensions | |
|---|---|
| 1.67 x 1.31 x 0.45 inches 42.5 x 33.3 x 11.4 mm |
1.73 x 1.50 x 0.42 inches 44.0 x 38.0 x 10.7 mm |
| Weight | |
| 1.85 oz / 52.4 g Aluminum frame - 34.2 g |
1.29 oz / 36.7 g |
| Materials | |
| Frame: Stainless steel | Frame: Aluminum |
| Resistance | |
| Water | Water |
| Colors | |
| Silver, Black | Silver, Black |
Display
| Size | |
|---|---|
| 1.6-inch, 60.71% screen-to-body | 1.8-inch, 59.89% screen-to-body |
| Type | |
| OLED, 1000 nits | OLED, 1000 nits |
| Resolution | |
| 390x312px, 303 PPI | 448x368px, 326 PPI |
| Protection | |
| Sapphire | |
| Features | |
| Pressure-sensitive, Ambient light sensor | Pressure-sensitive, Scratch-resistant glass, Ambient light sensor |
Hardware
| System chip | |
|---|---|
| Apple S2 (16 nm) | Apple S4 (7 nm) |
| Processor | |
| Dual-core 780 MHz Cortex-A7 |
Dual-core |
| GPU | |
| PowerVR G6200 | Apple G11M |
| Memory | |
| 0.5GB/8GB | 1GB/16GB |
| Storage expansion | |
| not expandable | not expandable |
| OS | |
| watchOS (6.x, 5.1, 5, 4.x, 3.x) | watchOS (9.x, 8.x, 7.x, 6.x, 5) |
Battery
| Type | |
|---|---|
| 334 mAh | 292 mAh |
| Charging | |
| Magnetic charging | Magnetic charging |
Connectivity & Features
| Bluetooth | |
|---|---|
| 4.0 | 5.0 |
| WLAN | |
| Yes 802.11 b, g, n | Yes 802.11 b, g, n |
| Sensors | |
| Accelerometer, Gyroscope, Heart rate, Ambient light sensor | Accelerometer, Gyroscope, Heart rate, Barometer, Ambient light sensor |
| Location | |
| Glonass, Galileo | Glonass, Galileo, QZSS |
| Other | |
| NFC | NFC |
Multimedia
| Speakers | |
|---|---|
| Loudspeaker | Loudspeaker |
| Additional microphone(s) | |
| Noise cancellation | |
Cellular
| Data Speed | |
|---|---|
| LTE, HSPA | |
| SIM type | |
| eSIM | |
Alternative variants
With aluminum frame
| Weight | 1.21 oz / 34.2 g |
|---|---|
| Materials | Frame: Aluminum |
Discover more
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