Apple Watch Series 8 (45mm) vs Samsung Galaxy Watch Ultra (2025) 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 8 (45mm) | Samsung Galaxy Watch Ultra (2025) |
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Released
·
Sep 07, 2022
|
Not announced
·
Expected Jul 09, 2025
|
|
1.9-inch · 484x396px
|
1.5-inch · 480x480px
|
|
1GB · 32GB
|
2GB · 32GB
|
|
308 mAh
|
590 mAh
|
Design
| Dimensions | |
|---|---|
| 1.77 x 1.50 x 0.42 inches 45 x 38 x 10.7 mm |
|
| Weight | |
| 1.37 oz (38.8 g) | 2.13 oz (60.5 g) |
| Materials | |
| Back: Ceramic Frame: Aluminum |
Back: Glass (Sapphire), Ceramic Frame: Titanium |
| Resistance | |
| Water, Dust; IP6X | Water (up to 10 meters), Dust; IP68; MIL-STD-810 certified |
| Colors | |
| Midnight, Starlight, Green, Blue, Red | Titanium Silver, Titanium Gray, Titanium White |
Display
| Size | |
|---|---|
| 1.9-inch | 1.5-inch |
| Resolution | |
| 484x396px, 329 PPI | 480x480px, 453 PPI |
| Technology | |
| OLED | Super AMOLED |
| Screen-to-body | |
| 66.64 % | |
| Peak brightness | |
| 1000 cd/m2 (nit) | |
| Features | |
| Scratch-resistant glass (Sapphire), Ambient light sensor | |
Hardware
| System chip | |
|---|---|
| Apple S8 | Exynos W1000 (3 nm) |
| Processor | |
| Dual-core | |
| GPU | |
| PowerVR | Mali-G68 |
| RAM | |
| 1GB | 2GB |
| Internal storage | |
| 32GB | 32GB |
| Storage expansion | |
| not expandable | |
| OS | |
| watchOS (9.x) | Wear OS |
Battery
| Capacity | |
|---|---|
| 308 mAh | 590 mAh |
| Type | |
| Li - Ion | |
| Charging | |
| Qi wireless charging | Qi wireless charging |
| Charge speed | |
| Wireless: 10.0W | |
Camera
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.0 | 5.3 |
| WLAN | |
| 802.11 b,g,n | 802.11 a,b,g,n,ac |
| Location | |
| A-GPS, Glonass, Galileo, BeiDou, QZSS | GPS, A-GPS, Glonass, Galileo, BeiDou |
| 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 |
| Other | |
| NFC | NFC |
Multimedia
| Speakers | |
|---|---|
| Loudspeaker | Loudspeaker |
| Additional microphone(s) | |
| Yes | |
Cellular
| 4G (FDD) | |
|---|---|
| Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3) | |
| 4G (TDD) | |
| Bands 39(1900+), 40(2300), 41(2600+) | |
| 3G | |
| Bands 1(2100), 2(1900), 4(1700/2100), 5(850) | Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) |
| Data Speed | |
| LTE, HSDPA+ (4G) 42.2 Mbit/s | LTE |
| SIM type | |
| eSIM | eSIM |
Availability
| Officially announced | |
|---|---|
| Sep 07, 2022 | |
| Expected Announcement | |
| Jul 09, 2025 | |
Alternative variants
GPS Only
With stainless steel frame
| Weight | 1.82 oz (51.5 g) |
|---|---|
| Materials | Frame: Stainless steel |
Links
| Full specifications | |
|---|---|
| Apple Watch Series 8 (45mm) Specs | Samsung Galaxy Watch Ultra (2025) Specs |
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