Apple Watch Series 10 vs Samsung Galaxy Watch 3
The Verdict
Apple's Series 10 delivers a more refined smartwatch experience with its brilliant 2000-nit LTPO3 OLED display, superior S10 processor, and comprehensive health sensors including skin temperature monitoring. Samsung's Galaxy Watch 3, while competitively priced at $399, shows its age with a lower-resolution Super AMOLED screen and older Exynos 9110 chipset. Battery life favors Samsung at up to 2 days versus Apple's 18 hours standard (though 36 hours in Low Power Mode helps), and Samsung offers optional LTE connectivity. However, Apple's watchOS 11 ecosystem integration, lighter aluminum build (30g vs 48-53g), IP6X dust resistance, and advanced health tracking features provide better overall value and performance. For users in Apple's ecosystem seeking cutting-edge wearable technology, the Series 10 justifies its position as the superior choice despite Samsung's respectable battery advantage.
Who Should Buy
Buy the Apple Watch Series 10 if…
- →Thinnest and lightest Apple Watch ever at just 9.7mm thick
- →New wide-angle OLED display is significantly brighter at off-angles
- →Larger 42mm and 46mm case sizes with bigger displays in slimmer body
Buy the Samsung Galaxy Watch 3 if…
- →Physical rotating bezel provides tactile, satisfying navigation
- →Premium stainless steel build with classic watch aesthetics
- →ECG and SpO2 monitoring were cutting-edge at launch
Category Scores
Pros & Cons
Apple Watch Series 10
Pros
- Thinnest and lightest Apple Watch ever at just 9.7mm thick
- New wide-angle OLED display is significantly brighter at off-angles
- Larger 42mm and 46mm case sizes with bigger displays in slimmer body
- Sleep apnea detection and improved health tracking via watchOS 11
- Faster charging — up to 80% in about 30 minutes
Cons
- Battery life is still just 18 hours, behind most competitors
- Blood oxygen sensing disabled on US units due to patent dispute
- No major performance jump over Series 9's S9 chip
- Cellular model costs an extra $100
- Requires an iPhone, no Android compatibility
Samsung Galaxy Watch 3
Pros
- Physical rotating bezel provides tactile, satisfying navigation
- Premium stainless steel build with classic watch aesthetics
- ECG and SpO2 monitoring were cutting-edge at launch
- Fall detection with automatic SOS alerts
- Thinner and lighter than Galaxy Watch (2018)
Cons
- Tizen OS is now discontinued — no new app development
- Battery life of 1.5 days typical requires frequent charging
- Older Exynos 9110 is noticeably slower than W920
- Heavy at 48-54 g — uncomfortable for sleep tracking
Full Specifications
| Spec | Apple Watch Series 10 | Samsung Galaxy Watch 3 |
|---|---|---|
| Software | watchOS 11 | Tizen OS 5.5 |
| Body | ||
| Weight | 30 g (42mm aluminum) | 48.2 g (41mm) / 53.8 g (45mm) |
| Case material | Aluminum (Titanium option available) | Stainless Steel / Titanium |
| Water resistance | WR50 (50m) + IP6X dust resistant | 5ATM + IP68, MIL-STD-810G |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 18 hours normal use, up to 36 hours in Low Power Mode | Up to 2 days (typical ~1.5 days) |
| Display | ||
| Size | 42mm (1.96") | 41mm / 45mm |
| Type | LTPO3 OLED Always-On Retina with wide-angle OLED, up to 2000 nits | Super AMOLED |
| Always-on display | ||
| Resolution | 374 x 446 | 360 x 360 |
| Processor | ||
| RAM | 1 GB | — |
| Chipset | Apple S10 SiP | Exynos 9110 |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.3 | 5.0 |
Related Comparisons
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.
Explore more in smartwatches, see all Apple products or all Samsung products. View full details for the Apple Watch Series 10 or the Samsung Galaxy Watch 3.

