Redmi K90 Ultra vs Redmi Note 10S
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi Note 10S (2021) runs on the MediaTek Helio G95; launch prices were $420 and $250. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 45/100 (a 28-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 64 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 535,127); the Redmi Note 10S is noticeably lighter (179g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Redmi Note 10S
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 535127
- Better Geekbench Single: 3013 vs 672
- Better Geekbench Multi: 9287 vs 1908
- Bigger battery: 8550 vs 5000 mAh
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (92/100 vs 42/100)
- Longer battery life (78/100 vs 52/100)
- Better display (94/100 vs 51/100)
What makes Redmi Note 10S better?
- Better main camera: 64MP vs 50MP
- Lighter: 179g vs 227g
- Cheaper at launch: $250 vs $420
- Better camera (39/100 vs 37/100)
- Better portability (68/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Redmi Note 10S, the Redmi K90 Ultra scores 28 points higher (73/100 vs 45/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 42/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 52/100). Value score: Redmi K90 Ultra — 72/100, Redmi Note 10S — 40/100; 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 Redmi K90 Ultra significantly outperforms the Redmi Note 10S (92/100 vs 42/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 10S (94/100 vs 51/100). In the "camera" category, the Redmi Note 10S and the Redmi K90 Ultra are nearly equal (39/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Redmi Note 10S (78/100 vs 52/100). In the "portability" category, the Redmi Note 10S notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Redmi Note 10S | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Helio G95 | |
| AnTuTu | 3233695 | 535127 | |
| Geekbench Single | 3013 | 672 | |
| Geekbench Multi | 9287 | 1908 | |
| Display | 6.8" AMOLED | 6.4" AMOLED | |
| Resolution | 1280x2772 | — | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 13 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 64GB / 128GB | |
| OS | Android 16 | — | |
| Brightness (peak) | 3500 nits | 1100 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP53 | |
| Dimensions | 162.9×77.9×8.2 mm | 160.5×74.5×8.3 mm | |
| Weight | 227 g | 179 g | |
| Launch price | $420 | $250 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi Note 10S
- Main: 64MP
- Front: 13MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi Note 10S
- 6.4" AMOLED
- Refresh rate: 60 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Redmi Note 10S
- 5000 mAh
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Redmi Note 10S, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi Note 10S by 504.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $170. Redmi Note 10S was $170 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 10S (92/100 vs 42/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 10S (94/100 vs 51/100).
camera
In the "camera" category, the Redmi Note 10S and the Redmi K90 Ultra are nearly equal (39/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Redmi Note 10S (78/100 vs 52/100).
portability
In the "portability" category, the Redmi Note 10S notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Redmi Note 10S?
The Redmi K90 Ultra significantly outperforms the Redmi Note 10S by 28 points (73/100 vs 45/100).
What is the rating of the Redmi K90 Ultra and the Redmi Note 10S?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Redmi Note 10S — 45/100.
Which is more powerful: the Redmi K90 Ultra or the Redmi Note 10S?
The Redmi K90 Ultra leads on performance (92/100 vs 42/100).
Should you choose the Redmi K90 Ultra over the Redmi Note 10S?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.