Apple Watch Series 10 (42mm) vs Apple Watch Ultra 3 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 10 (42mm) | Apple Watch Ultra 3 |
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Released
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Sep 20, 2024
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Released
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Sep 19, 2025
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446x374px
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1.9-inch · 502x410px
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1GB · 64GB
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1GB · 64GB
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| Check prices |
Availability
| Officially announced | |
|---|---|
| Sep 09, 2025 | |
| Prices (MSRP) | |
| $799 | |
Design
| Dimensions | |
|---|---|
| 1.65 x 1.42 x 0.38 inches 42 x 36 x 9.7 mm |
1.93 x 1.73 x 0.47 inches 49 x 44 x 12 mm |
| Weight | |
| 1.06 oz / 30.0 g | 2.17 oz / 61.6 g |
| Materials | |
| Back: Ceramic Frame: Aluminum |
Back: Ceramic Frame: Titanium |
| Resistance | |
| Water, Dust; IP6X | Water, Dust; IP6X; MIL-STD-810 certified |
| Colors | |
| Natural, Black | |
Display
| Size | |
|---|---|
| 1.9-inch | |
| Type | |
| OLED, 2000 nits | OLED, 3000 nits |
| Resolution | |
| 446x374px, 329 PPI | 502x410px, 338 PPI |
| Protection | |
| Sapphire | |
Hardware
| System chip | |
|---|---|
| Apple S10 | Apple S10 |
| Processor | |
| Dual-core | Dual-core |
| GPU | |
| PowerVR | PowerVR |
| Memory | |
| 1GB/64GB | 1GB/64GB |
| Storage expansion | |
| not expandable | not expandable |
| OS | |
| watchOS (10.x) | watchOS (10.x) |
Battery
| Type | |
|---|---|
| Li - Ion | Li - Ion |
| Charging | |
| Qi wireless charging | Qi wireless charging |
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.3 | 5.3 |
| WLAN | |
| b,g,n 802.11 b, g, n | a,b,g,n,ac 802.11 b, g, n |
| Sensors | |
| Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen | Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen |
| Location | |
| A-GPS, Glonass, Galileo, BeiDou | A-GPS, Glonass, Galileo, BeiDou, QZSS |
| Other | |
| NFC, Ultra Wideband (UWB) | NFC, Ultra Wideband (UWB) |
Multimedia
| Speakers | |
|---|---|
| Loudspeaker | Multiple speakers |
| Additional microphone(s) | |
| Yes | |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 25, 26, 66 |
| 4G (TDD) Bands | |
| 39, 40, 41 | 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
GPS Only
| Weight | 1.06 oz / 30.0 g |
|---|---|
With Titanium frame
| Weight | 1.21 oz / 34.4 g |
|---|---|
| Materials | Frame: Titanium |
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