Apple Watch Series 10 vs Samsung Galaxy Watch Ultra
Side-by-side specifications, scores and verdict.
Quick Verdict
Apple Watch Series 10 delivers exceptional value at $399 with its brilliant 2000-nit LTPO3 OLED display, refined S10 chipset, and lightweight 30g design ideal for all-day comfort. Samsung Galaxy Watch Ultra ($649.99) targets serious athletes with premium titanium construction, more robust durability (MIL-STD-810H certification), cellular connectivity, brighter 3000-nit Super AMOLED display, and dramatically superior battery life—60 hours in Power Saving mode versus Series 10's 18 hours. Both excel at health tracking with ECG, SpO2, and skin temperature monitoring. Series 10's lighter weight and iOS ecosystem integration suit casual users seeking daily wear elegance, while Galaxy Watch Ultra justifies its $250 premium for rugged outdoors enthusiasts and travelers valuing extended battery and cellular independence. For most consumers, Series 10 represents superior value; for adventure-focused users, Galaxy Watch Ultra's durability and endurance justify the investment.
Full Specifications
| Specification | Apple Watch Series 10 | Samsung Galaxy Watch Ultra |
|---|---|---|
| Software | watchOS 11 | Wear OS 5 with One UI Watch 6 |
| Body | ||
| Weight | 30 g (42mm aluminum) | 60.5 g |
| Case material | Aluminum (Titanium option available) | Titanium Grade 4 |
| Water resistance | WR50 (50m) + IP6X dust resistant | 10ATM + IP68 + MIL-STD-810H |
| 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 60 hours in Power Saving mode (590 mAh) |
| Display | ||
| Size | 42mm (1.96") | 47mm (1.5") |
| Type | LTPO3 OLED Always-On Retina with wide-angle OLED, up to 2000 nits | Super AMOLED with Sapphire Crystal glass, up to 3000 nits |
| Always-on display | ||
| Resolution | 374 x 446 | 480 x 480 |
| Processor | ||
| RAM | 1 GB | 2 GB |
| Chipset | Apple S10 SiP | Samsung Exynos W1000 (3nm, 5-core) |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.3 | 5.3 |
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 Ultra
Pros
- Premium titanium build with 10ATM water resistance and MIL-STD durability
- Bright 3000-nit Super AMOLED display with sapphire crystal protection
- Dual-frequency GPS (L1 + L5) for precise outdoor tracking
- Big 590 mAh battery delivers up to 100 hours in Power Saving mode
- Customizable Quick Button for fast access to workouts and apps
Cons
- Very expensive at $649 — Samsung's priciest watch yet
- Only one 47mm size, too large for smaller wrists
- BioActive sensor and BP/ECG features require Samsung phone
- Design closely mimics Apple Watch Ultra
- Limited third-party app ecosystem versus Apple Watch
Related Comparisons
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 Ultra.