Apple Watch Series 3 (38mm) vs Apple Watch Series 7 (45mm) 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 3 (38mm) | Apple Watch Series 7 (45mm) |
|
Released
·
2017
|
Released
·
Oct 15, 2021
|
|
1.5-inch · 340x272px
|
448x368px
|
|
768GB · 16GB
|
1GB · 32GB
|
|
279 mAh
|
|
Availability
| Officially announced | |
|---|---|
| Sep 14, 2021 | |
Design
| Dimensions | |
|---|---|
| 1.52 x 1.31 x 0.45 inches 38.6 x 33.3 x 11.4 mm |
|
| Weight | |
| 1.50 oz (42.4 g) | 1.34 oz (38.0 g) |
| Materials | |
| Back: Ceramic Frame: Stainless steel |
Back: Aluminum |
| Resistance | |
| Water, Dust | Water, Dust; IP6X |
| Colors | |
| Space Black, Silver | Midnight, Starlight, Green, Blue, Red |
Display
| Size | |
|---|---|
| 1.5-inch, 55.12% screen-to-body | |
| Type | |
| OLED, 1000 nits | OLED |
| Resolution | |
| 340x272px, 290 PPI | 448x368px |
| Protection | |
| Sapphire | |
| Features | |
| Pressure-sensitive, Scratch-resistant glass | |
Hardware
| System chip | |
|---|---|
| Apple S3 | Apple S7 |
| Processor | |
| Dual-core | Dual-core |
| GPU | |
| PowerVR | PowerVR |
| Memory | |
| 768GB/16GB | 1GB/32GB |
| Storage expansion | |
| not expandable | |
| OS | |
| watchOS (8.x, 7.x, 6.1, 6.x, 5.1, 5, 4.x) | watchOS (9.x, 8.x) |
Battery
| Type | |
|---|---|
| 279 mAh | Li - Ion |
| Charging | |
| Qi wireless charging | Qi wireless charging |
Camera
Connectivity & Features
| Bluetooth | |
|---|---|
| 4.2 | 5.0 |
| WLAN | |
| b,g,n 802.11 b, g, n | b,g,n 802.11 b, g, n |
| Sensors | |
| Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer | Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer, Blood Oxygen |
| Location | |
| A-GPS, Glonass | A-GPS, Glonass, Galileo, BeiDou, QZSS |
| Other | |
| NFC | |
Multimedia
| Headphones | |
|---|---|
| No 3.5mm jack | |
| Speakers | |
| Loudspeaker | Loudspeaker |
| Additional microphone(s) | |
| Yes | |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 3, 5, 7, 8, 18, 19, 20, 26 | |
| 3G Bands | |
| 1, 5, 8 | 1, 2, 4, 5 |
| Data Speed | |
| LTE, HSDPA+ (4G) 42.2 Mbit/s | LTE-A, HSDPA+ (4G) 42.2 Mbit/s |
| SIM type | |
| eSIM | eSIM |
Alternative variants
With Stainless Steel case
| Weight | 1.82 oz (51.5 g) |
|---|---|
| Materials | Back: Stainless steel |
With titanium case
| Weight | 1.59 oz (45.1 g) |
|---|---|
| Materials | Back: Titanium |
Links
| Full specifications | |
|---|---|
| Apple Watch Series 3 (38mm) Specs | Apple Watch Series 7 (45mm) Specs |
| PhoneArena Review | |
| Apple Watch Series 3 (38mm) Review | Apple Watch Series 7 (45mm) Review |
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