Apple Watch Series 9 (45mm) vs Apple Watch Series 7 (41mm) 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 9 (45mm) | Apple Watch Series 7 (41mm) |
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Released
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Sep 22, 2023
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Released
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Oct 15, 2021
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1.7-inch · 430x352px
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448x368px
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1GB · 64GB
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1GB · 32GB
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308 mAh
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| Check prices |
Availability
| Officially announced | |
|---|---|
| Sep 12, 2023 | Sep 14, 2021 |
Design
| Dimensions | |
|---|---|
| 1.61 x 1.38 x 0.42 inches 41 x 35 x 10.7 mm |
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| Weight | |
| 1.82 oz / 51.5 g | 1.13 oz / 32.0 g |
| Materials | |
| Back: Ceramic Frame: Aluminum |
Back: Aluminum |
| Resistance | |
| Water, Dust; IP6X | Water, Dust; IP6X |
| Colors | |
| Midnight, Starlight, Green, Blue, Red | Midnight, Starlight, Green, Blue, Red |
Display
| Size | |
|---|---|
| 1.7-inch, 63.01% screen-to-body | |
| Type | |
| OLED, 1000 nits | OLED |
| Resolution | |
| 430x352px, 329 PPI | 448x368px |
Hardware
| System chip | |
|---|---|
| Apple S9 | Apple S7 |
| Processor | |
| Dual-core | Dual-core |
| GPU | |
| PowerVR | PowerVR |
| Memory | |
| 1GB/64GB | 1GB/32GB |
| Storage expansion | |
| not expandable | not expandable |
| OS | |
| watchOS (10.x) | watchOS (9.x, 8.x) |
Battery
| Type | |
|---|---|
| 308 mAh, Li - Ion | Li - Ion |
| Charging | |
| Qi wireless charging | Qi wireless charging |
Connectivity & Features
| Bluetooth | |
|---|---|
| Yes | 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, Thermometer, Barometer, ECG, Blood Oxygen | Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer, Blood Oxygen |
| Location | |
| A-GPS, Glonass, Galileo, BeiDou, QZSS | A-GPS, Glonass, Galileo, BeiDou, QZSS |
| Other | |
| NFC, Ultra Wideband (UWB) | |
Multimedia
| Speakers | |
|---|---|
| Loudspeaker | Loudspeaker |
| Additional microphone(s) | |
| Yes | Yes |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 66 | |
| 4G (TDD) Bands | |
| 39, 40, 41 | |
| 3G Bands | |
| 1, 2, 4, 5 | 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 | 1.49 oz / 42.3 g |
|---|---|
| Materials | Back: Stainless steel |
| Colors | Graphite, Silver, Gold |
With Titanium case
| Weight | 1.31 oz / 37.0 g |
|---|---|
Discover more
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