Apple Watch Ultra 3 vs Samsung Galaxy Watch 7 (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 Ultra 3 | Samsung Galaxy Watch 7 (40mm) |
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Released
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Sep 19, 2025
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Released
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Jul 24, 2024
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1.9-inch · 502x410px
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1.3-inch · 432x432px
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1GB · 64GB
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2GB · 32GB
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300 mAh
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| Check prices | Check prices |
Availability
| Officially announced | |
|---|---|
| Sep 09, 2025 | |
| Prices (MSRP) | |
| $799 | |
Design
| Dimensions | |
|---|---|
| 1.93 x 1.73 x 0.47 inches 49 x 44 x 12 mm |
1.59 x 1.59 x 0.38 inches 40.4 x 40.4 x 9.7mm |
| Weight | |
| 2.17 oz / 61.6 g | 1.02 oz / 28.8 g |
| Materials | |
| Back: Ceramic Frame: Titanium |
Back: Aluminum |
| Resistance | |
| Water, Dust; IP6X; MIL-STD-810 certified | Water (up to 5 meters), Dust; IP68; MIL-STD-810 certified |
| Colors | |
| Natural, Black | |
Display
| Size | |
|---|---|
| 1.9-inch | 1.3-inch |
| Type | |
| OLED, 3000 nits | Super AMOLED |
| Resolution | |
| 502x410px, 338 PPI | 432x432px, 470 PPI |
| Protection | |
| Sapphire | Sapphire |
Hardware
| System chip | |
|---|---|
| Apple S10 | Exynos W1000 (3 nm) |
| Processor | |
| Dual-core | |
| GPU | |
| PowerVR | |
| Memory | |
| 1GB/64GB | 2GB/32GB |
| Storage expansion | |
| not expandable | |
| OS | |
| watchOS (10.x) | Wear OS |
Battery
| Type | |
|---|---|
| Li - Ion | 300 mAh |
| Charging | |
| Qi wireless charging | |
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.3 | 5.3 |
| WLAN | |
| a,b,g,n,ac 802.11 b, g, n | a,b,g,n,ac 802.11 a, b, g, n, ac |
| Sensors | |
| Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen | Accelerometer, Gyroscope, Pedometer, Compass, Heart rate, Thermometer, Barometer, Step detector, ECG, Blood Oxygen, Ambient light sensor |
| Location | |
| A-GPS, Glonass, Galileo, BeiDou, QZSS | Glonass, Galileo, BeiDou |
| Other | |
| NFC, Ultra Wideband (UWB) | NFC |
Multimedia
| Speakers | |
|---|---|
| Multiple speakers | |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 25, 26, 66 | |
| 4G (TDD) Bands | |
| 39, 40, 41 | |
| 3G Bands | |
| 1, 2, 4, 5 | |
| Data Speed | |
| LTE-A, HSDPA+ (4G) 42.2 Mbit/s | LTE |
| SIM type | |
| eSIM | eSIM |
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