Apple Watch Series 9 vs Samsung Galaxy Watch8
The Verdict
The Apple Watch Series 9 and Samsung Galaxy Watch8 sit in the same category and end up appealing to slightly different buyers. The Samsung Galaxy Watch8 is the cheaper of the two at $300 versus $399, a difference of about $99. The Samsung Galaxy Watch8 is the newer release, which usually means a faster chipset and longer software support. Apple Watch Series 9 stands out for s9 chip enables on-device siri and the new double tap gesture, while Samsung Galaxy Watch8 is praised for thinnest galaxy watch at 8.6mm. Use the side-by-side spec table below to compare cameras, displays, battery life and connectivity in detail and decide which one fits your priorities.
Who Should Buy
Buy the Apple Watch Series 9 if…
- →S9 chip enables on-device Siri and the new Double Tap gesture
- →Comprehensive health suite: ECG, SpO2, temperature, crash detection
- →Brightest Apple Watch display at up to 2000 nits
Buy the Samsung Galaxy Watch8 if…
- →Thinnest Galaxy Watch at 8.6mm
- →3nm Exynos W1000 processor
- →3000 nits peak brightness
Pros & Cons
Apple Watch Series 9
Pros
- S9 chip enables on-device Siri and the new Double Tap gesture
- Comprehensive health suite: ECG, SpO2, temperature, crash detection
- Brightest Apple Watch display at up to 2000 nits
- Seamless deep integration with iPhone and Apple ecosystem
- Wide variety of bands and cases for personalization
Cons
- 18-hour battery life requires daily charging
- Only useful if you own an iPhone — no Android support
- Cellular model adds significant ongoing carrier cost
- Incremental upgrade over Series 8 for existing owners
Samsung Galaxy Watch8
Pros
- Thinnest Galaxy Watch at 8.6mm
- 3nm Exynos W1000 processor
- 3000 nits peak brightness
- Wear OS 6 with Gemini AI assistant
- Dual-frequency GPS
Cons
- $300 starting price for base model
- Battery life varies heavily with AOD
- Limited third-party watch face selection on Wear OS
Full Specifications
| Spec | Apple Watch Series 9 | Samsung Galaxy Watch8 |
|---|---|---|
| Software | watchOS 10 | Wear OS 6 with Gemini |
| Body | ||
| Weight | 38.7 g (aluminum) | 28.8 g (40mm) |
| Case material | Aluminum or stainless steel | Armor Aluminum |
| Water resistance | WR50 / EN13319 | 5ATM + IP68, MIL-STD-810H |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 18 hrs, up to 36 hrs Low Power Mode | Up to 40 hours |
| Display | ||
| Size | 45 mm | 40mm / 44mm |
| Type | Always-On Retina LTPO OLED | Super AMOLED |
| Always-on display | ||
| Resolution | 484 x 396 | 480 x 480 (44mm) |
| Processor | ||
| RAM | 1 GB | 2 GB |
| Chipset | Apple S9 SiP | Exynos W1000 (3nm) |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.3 | 5.3 |
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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
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