Redmi K90 vs Samsung Galaxy S26 Ultra
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy S26 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $401 and $1299. By overall MobileRank rating, the Samsung Galaxy S26 Ultra leads — 84/100 vs 76/100 (a 8-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Samsung Galaxy S26 Ultra is faster in AnTuTu (3,463,142 vs 3,077,585).
Profile comparison
Category scores
Redmi K90
Samsung Galaxy S26 Ultra
What makes Redmi K90 better?
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 60W
- Lighter: 206g vs 214g
- Cheaper at launch: $401 vs $1299
- Longer battery life (72/100 vs 61/100)
- Better portability (55/100 vs 51/100)
What makes Samsung Galaxy S26 Ultra better?
- Higher AnTuTu: 3463142 vs 3077585
- Better Geekbench Single: 3601 vs 3013
- Better Geekbench Multi: 10686 vs 9287
- Better main camera: 200MP vs 50MP
- Higher performance (96/100 vs 91/100)
- Better camera (86/100 vs 58/100)
- Better display (88/100 vs 82/100)
Comparison verdict
Comparing the Redmi K90 vs the Samsung Galaxy S26 Ultra, the Samsung Galaxy S26 Ultra scores 8 points higher (84/100 vs 76/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 58/100). In the "battery" category, the Redmi K90 leads (72/100 vs 61/100). Value score: Redmi K90 — 80/100, Samsung Galaxy S26 Ultra — 78/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Samsung Galaxy S26 Ultra is a bit better (96/100 vs 91/100). In the "display" category, the Samsung Galaxy S26 Ultra is a bit better (88/100 vs 82/100). In the "camera" category, the Samsung Galaxy S26 Ultra notably outperforms the Redmi K90 (86/100 vs 58/100). In the "battery" category, the Redmi K90 is a bit better (72/100 vs 61/100). In the "portability" category, the Redmi K90 and the Samsung Galaxy S26 Ultra are nearly equal (55/100 vs 51/100).
Specs comparison
| Specification | Redmi K90 | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3077585 | 3463142 | |
| Geekbench Single | 3013 | 3601 | |
| Geekbench Multi | 9287 | 10686 | |
| Display | 6.6" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | 2510x1156 | 3120x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7100 mAh | 5000 mAh | |
| Charging | 100W | 60W | |
| Wireless charging | 0W | 25W | |
| DXOMark (camera) | — | 157 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 20 MP | 12 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 / One UI 8.5 | |
| Brightness (peak) | 3500 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 157.5×75.3×8.0 mm | 163.6×78.1×7.9 mm | |
| Weight | 206 g | 214 g | |
| Launch price | $401 | $1299 |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Samsung Galaxy S26 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Samsung Galaxy S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy S26 Ultra
- 5000 mAh
- NanoReview test: web browsing 10:12 hrs, total 28:50 hrs
- Wired: 60W
- Wireless: 25W
Overall performance score
We compared Redmi K90 and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S26 Ultra leads Redmi K90 by 11.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $898. Redmi K90 was $898 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy S26 Ultra is a bit better (96/100 vs 91/100).
display
In the "display" category, the Samsung Galaxy S26 Ultra is a bit better (88/100 vs 82/100).
camera
In the "camera" category, the Samsung Galaxy S26 Ultra notably outperforms the Redmi K90 (86/100 vs 58/100).
battery
In the "battery" category, the Redmi K90 is a bit better (72/100 vs 61/100).
portability
In the "portability" category, the Redmi K90 and the Samsung Galaxy S26 Ultra are nearly equal (55/100 vs 51/100).
Frequently asked questions
Which is better: the Redmi K90 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra edges out the Redmi K90 by just 8 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 and the Samsung Galaxy S26 Ultra?
The Redmi K90 has a MobileRank rating of 76/100, the Samsung Galaxy S26 Ultra — 84/100.
Which has the better camera: the Redmi K90 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on camera score (86/100 vs 58/100).
Which is more powerful: the Redmi K90 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on performance (96/100 vs 91/100).
Should you choose the Redmi K90 over the Samsung Galaxy S26 Ultra?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, budget-conscious buyers.