Redmi K90 vs Redmi K90 Ultra
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $401 and $420. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 61/100 (a 7-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7100); the Redmi K90 is faster in AnTuTu (3,088,357 vs 2,760,000); the Redmi K90 is noticeably lighter (206g vs 227g).
Redmi K90
Redmi K90 Ultra
- Higher AnTuTu: 3088357 vs 2760000
- Lighter: 206g vs 227g
- Cheaper: $401 vs $420
- Higher performance (69/100 vs 65/100)
- Better camera (53/100 vs 32/100)
- Better design/ergonomics (42/100 vs 16/100)
- Better value for money (82/100 vs 81/100)
- Bigger battery: 8550 vs 7100 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Longer battery life (77/100 vs 71/100)
Comparing the Redmi K90 vs the Redmi K90 Ultra, the Redmi K90 scores 7 points higher (68/100 vs 61/100). In the "camera" category, the Redmi K90 leads (53/100 vs 32/100). In the "performance" category, the Redmi K90 and the Redmi K90 Ultra are nearly equal (69/100 vs 65/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 notably outperforms the Redmi K90 Ultra (53/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra is a bit better (77/100 vs 71/100). In the "design" category, the Redmi K90 notably outperforms the Redmi K90 Ultra (42/100 vs 16/100). In the "value for money" category, the Redmi K90 and the Redmi K90 Ultra are nearly equal (82/100 vs 81/100).
| Specification | Redmi K90 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3088357 | 2760000 | |
| Geekbench Single | 3050 | 3050 | |
| Geekbench Multi | 9300 | 9300 | |
| Display | 6.6" AMOLED | 6.8" AMOLED | |
| Resolution | 2510x1156 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 7100 mAh | 8550 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 157.5×75.3×8.0 mm | 162.9×77.9×8.2 mm | |
| Weight | 206 g | 227 g | |
| Price | $401 | $420 |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Redmi K90 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 leads Redmi K90 Ultra by 11.9% in our overall performance rating.
Price difference: $19. Redmi K90 is cheaper by $19.
performance
In the "performance" category, the Redmi K90 and the Redmi K90 Ultra are nearly equal (69/100 vs 65/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Redmi K90 notably outperforms the Redmi K90 Ultra (53/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (77/100 vs 71/100).
design
In the "design" category, the Redmi K90 notably outperforms the Redmi K90 Ultra (42/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 and the Redmi K90 Ultra are nearly equal (82/100 vs 81/100).
Which is better: the Redmi K90 or the Redmi K90 Ultra?
The Redmi K90 edges out the Redmi K90 Ultra by just 7 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 and the Redmi K90 Ultra?
The Redmi K90 has a MobileRank rating of 68/100, the Redmi K90 Ultra — 61/100.
Which has the better camera: the Redmi K90 or the Redmi K90 Ultra?
The Redmi K90 leads on camera score (53/100 vs 32/100).
Should you choose the Redmi K90 over the Redmi K90 Ultra?
The Redmi K90 is a better fit for active users, budget-conscious buyers. The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers.