Apple Watch Series 7 (41mm) vs Apple Watch Series 4 (40mm) 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 7 (41mm) | Apple Watch Series 4 (40mm) |
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Released
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Oct 15, 2021
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Released
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September 2018
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448x368px
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1.6-inch · 394x324px
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1GB · 32GB
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1GB · 16GB
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225 mAh
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Availability
| Officially announced | |
|---|---|
| Sep 14, 2021 | |
Design
| Dimensions | |
|---|---|
| 1.57 x 1.34 x 0.42 inches 40.0 x 34.0 x 10.7 mm |
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| Weight | |
| 1.13 oz / 32.0 g | 1.06 oz / 30.1 g |
| Materials | |
| Back: Aluminum | Frame: Aluminum |
| Resistance | |
| Water, Dust; IP6X | Water |
| Colors | |
| Midnight, Starlight, Green, Blue, Red | Silver, Black |
Display
| Size | |
|---|---|
| 1.6-inch, 57.48% screen-to-body | |
| Type | |
| OLED | OLED, 1000 nits |
| Resolution | |
| 448x368px | 394x324px, 325 PPI |
| Protection | |
| Sapphire | |
| Features | |
| Pressure-sensitive, Scratch-resistant glass, Ambient light sensor | |
Hardware
| System chip | |
|---|---|
| Apple S7 | Apple S4 (7 nm) |
| Processor | |
| Dual-core | Dual-core |
| GPU | |
| PowerVR | Apple G11M |
| Memory | |
| 1GB/32GB | 1GB/16GB |
| Storage expansion | |
| not expandable | not expandable |
| OS | |
| watchOS (9.x, 8.x) | watchOS (9.x, 8.x, 7.x, 6.x, 5) |
Battery
| Type | |
|---|---|
| Li - Ion | 225 mAh |
| Charging | |
| Qi wireless charging | Magnetic charging |
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.0 | 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, Blood Oxygen | Accelerometer, Gyroscope, Heart rate, Barometer, Ambient light sensor |
| Location | |
| A-GPS, Glonass, Galileo, BeiDou, QZSS | Glonass, Galileo, QZSS |
| Other | |
| NFC | |
Multimedia
| Speakers | |
|---|---|
| Loudspeaker | Loudspeaker |
| Additional microphone(s) | |
| Yes | Noise cancellation |
Cellular
| 3G Bands | |
|---|---|
| 1, 2, 4, 5 | |
| Data Speed | |
| LTE-A, HSDPA+ (4G) 42.2 Mbit/s | LTE, HSPA |
| SIM type | |
| eSIM | eSIM |
Alternative variants
With Stainless Steel case
| Weight | 1.49 oz / 42.3 g |
|---|---|
| Materials | Back: Stainless steel |
| Colors | Graphite, Silver, Gold |
With stainless steel case
| Weight | 1.40 oz / 39.8 g |
|---|---|
| Materials | Frame: Stainless steel |
With Titanium case
| Weight | 1.31 oz / 37.0 g |
|---|---|
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