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; launch prices were $401 and $420. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 73/100 (a 3-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7100); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 3,077,585); the Redmi K90 is noticeably lighter (206g vs 227g).
Profile comparison
Category scores
Redmi K90
Redmi K90 Ultra
What makes Redmi K90 better?
- Lighter: 206g vs 227g
- Cheaper at launch: $401 vs $420
- Better camera (58/100 vs 37/100)
- Better portability (55/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 3077585
- Bigger battery: 8550 vs 7100 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 91/100)
- Longer battery life (78/100 vs 72/100)
- Better display (94/100 vs 82/100)
Comparison verdict
Comparing the Redmi K90 vs the Redmi K90 Ultra, the Redmi K90 scores 3 points higher (76/100 vs 73/100). In the "camera" category, the Redmi K90 leads (58/100 vs 37/100). Value score: Redmi K90 — 80/100, Redmi K90 Ultra — 72/100; 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 and the Redmi K90 are nearly equal (92/100 vs 91/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 82/100). In the "camera" category, the Redmi K90 notably outperforms the Redmi K90 Ultra (58/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 72/100). In the "portability" category, the Redmi K90 notably outperforms the Redmi K90 Ultra (55/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3077585 | 3233695 | |
| Geekbench Single | 3013 | 3013 | |
| Geekbench Multi | 9287 | 9287 | |
| 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 | |
| Launch price | $401 | $420 |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi K90 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi K90 by 4.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $19. Redmi K90 was $19 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra and the Redmi K90 are nearly equal (92/100 vs 91/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 82/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Redmi K90 Ultra (58/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 72/100).
portability
In the "portability" category, the Redmi K90 notably outperforms the Redmi K90 Ultra (55/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 or the Redmi K90 Ultra?
The Redmi K90 edges out the Redmi K90 Ultra by just 3 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 76/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Redmi K90 or the Redmi K90 Ultra?
The Redmi K90 leads on camera score (58/100 vs 37/100).
Should you choose the Redmi K90 over the Redmi K90 Ultra?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.