Apple Watch Series 10 vs Samsung Galaxy Watch 4
The Verdict
Both smartwatches deliver premium health tracking and always-on displays, but with different strengths. Apple Watch Series 10 excels with its brighter 2000-nit LTPO3 OLED display, superior S10 chipset performance, and inclusion of skin temperature monitoring,a feature absent from Galaxy Watch 4. Its 18-hour battery life is competitive despite Apple's ecosystem efficiency. Samsung Galaxy Watch 4 counters with exceptional value at $150 less, broader OS compatibility (any Android phone), and its more durable Gorilla Glass DX+ with MIL-STD certification. While Samsung claims up to 40 hours, real-world usage averages around 20 hours, matching Apple's practical performance. Both offer ECG, SpO2, and comprehensive health features. Galaxy Watch 4's rotating bezel provides intuitive navigation that Series 10 lacks. For Apple ecosystem users prioritizing display brightness and performance, Series 10 justifies its premium. Android users seeking excellent value and durability should choose Galaxy Watch 4.
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 4 if…
- →First Samsung watch with Wear OS and Google apps integration
- →BIA sensor for body composition measurement (body fat, muscle mass)
- →Lightweight and slim design comfortable for all-day wear
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 4
Pros
- First Samsung watch with Wear OS and Google apps integration
- BIA sensor for body composition measurement (body fat, muscle mass)
- Lightweight and slim design comfortable for all-day wear
- ECG and blood pressure monitoring (Samsung phones only)
- Affordable entry into Samsung's smartwatch ecosystem
Cons
- Battery life of 20 hours typical requires daily charging
- Gorilla Glass DX+ scratches more easily than sapphire crystal
- Many health features locked to Samsung Galaxy phones
- Wear OS 3 was buggy at launch with limited app support
Full Specifications
| Spec | Apple Watch Series 10 | Samsung Galaxy Watch 4 |
|---|---|---|
| Software | watchOS 11 | Wear OS 3.0 (One UI Watch 4) |
| Body | ||
| Weight | 30 g (42mm aluminum) | 25.9 g (40mm) / 30.3 g (44mm) |
| Case material | Aluminum (Titanium option available) | Aluminum with Corning Gorilla Glass DX+ |
| 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 40 hrs (typical ~20 hrs) |
| Display | ||
| Size | 42mm (1.96") | 40mm / 44mm |
| Type | LTPO3 OLED Always-On Retina with wide-angle OLED, up to 2000 nits | Super AMOLED |
| Always-on display | ||
| Resolution | 374 x 446 | 396 x 396 / 450 x 450 |
| Processor | ||
| RAM | 1 GB | — |
| Chipset | Apple S10 SiP | Exynos W920 |
| 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 4.

