Comparison · 2025
Samsung Galaxy S26 Series vs Xiaomi 15 Ultra
A head-to-head breakdown of specs, cameras, software, and which you should actually buy.
Samsung
Samsung Galaxy S26 Series
vs
Xiaomi
Xiaomi 15 Ultra
Choose Series
Best for users who want an S Pen, Galaxy ecosystem, and Samsung's guaranteed 7-year update promise.
Choose Ultra
Best for photography enthusiasts who want the best camera hardware regardless of OS or ecosystem.
Spec Sheet
Side by Side
| Specification | Samsung Galaxy S26 Series | Xiaomi 15 Ultra |
|---|---|---|
| Processor | Snapdragon 8 Elite Gen 2 | Snapdragon 8 Elite |
| Display | 6.9″ AMOLED 120Hz | 6.73″ LTPO AMOLED 120Hz |
| Main Camera | 200MP (S26 Ultra) | 50MP 1-inch SonyWINS |
| Periscope Tele | 200MP (S26 Ultra) | 200MP LeicaWINS |
| Front Camera | 12MP | 32MPWINS |
| Battery | 5,500 mAh / 65W | 6,000 mAh / 90WWINS |
| Wireless Charging | 25W | 80WWINS |
| S Pen | Yes (S26 Ultra) | No |
| Updates | 7 years | HyperOS (not specified) |
| Build | Titanium + Gorilla Armor 2 | Titanium + IP68 |
Verdict
The Verdict
If photography is your primary goal, Xiaomi 15 Ultra's Leica four-lens system with 200 MP periscope is class-leading. If you want a do-it-all premium flagship with S Pen, better software longevity, and ecosystem integration, Galaxy S26 Ultra is the safer long-term investment.
Choose Samsung Galaxy S26 Series
Pros and cons
- S Pen with AI handwriting
- Galaxy AI 2.0 depth
- 7-year update guarantee
- Samsung DeX
- Titanium build + Gorilla Armor 2
- Camera trails Xiaomi 15 Ultra in zoom quality
- Heavier with S Pen
Choose Xiaomi 15 Ultra
Pros and cons
- 200 MP Leica periscope — best zoom camera
- 1-inch main sensor
- 80W wireless fastest available
- Leica 4-lens system
- 6,000 mAh bigger battery
- HyperOS updates less certain long-term
- No stylus
- Heavier at 229g