Redmi K90 Ultra vs Xiaomi 12
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 12 (2022) runs on the Qualcomm Snapdragon 8 Gen 1; estimated prices are $420 and $750. By overall MobileRank rating, the Redmi K90 Ultra leads — 75/100 vs 64/100 (a 11-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4500); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 1,322,176); the Xiaomi 12 is noticeably lighter (180g vs 227g).
Redmi K90 Ultra
Xiaomi 12
- Higher AnTuTu: 3119308 vs 1322176
- Better Geekbench Single: 3041 vs 1675
- Better Geekbench Multi: 9494 vs 4453
- Bigger battery: 8550 vs 4500 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $420 vs $750
- Higher performance (92/100 vs 69/100)
- Longer battery life (92/100 vs 57/100)
- Better display (94/100 vs 82/100)
- Better value for money (86/100 vs 40/100)
- Lighter: 180g vs 227g
- Better camera (52/100 vs 37/100)
- Better portability (69/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Xiaomi 12, the Redmi K90 Ultra scores 11 points higher (75/100 vs 64/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 69/100). In the "camera" category, the Xiaomi 12 leads (52/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (92/100 vs 57/100). In the "value for money" category, the Redmi K90 Ultra leads (86/100 vs 40/100). In the "performance" category, the Redmi K90 Ultra notably outperforms the Xiaomi 12 (92/100 vs 69/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 82/100). In the "camera" category, the Xiaomi 12 notably outperforms the Redmi K90 Ultra (52/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Xiaomi 12 (92/100 vs 57/100). In the "portability" category, the Xiaomi 12 notably outperforms the Redmi K90 Ultra (69/100 vs 40/100). In the "value for money" category, the Redmi K90 Ultra significantly outperforms the Xiaomi 12 (86/100 vs 40/100).
| Specification | Redmi K90 Ultra | Xiaomi 12 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 1 | |
| AnTuTu | 3119308 | 1322176 | |
| Geekbench Single | 3041 | 1675 | |
| Geekbench Multi | 9494 | 4453 | |
| Display | 6.8" AMOLED | 6.3" AMOLED | |
| Resolution | 1280x2772 | 2400x1080 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 4500 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | — | 50W | |
| DXOMark (camera) | — | 113 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 13 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 12 | |
| Brightness (peak) | 3500 nits | 1100 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 152.7×69.9×8.2 mm | |
| Weight | 227 g | 180 g | |
| Price | $420 | $750 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 12
- Main: 50MP f/1.88
- Ultrawide: 13MP
- Front: 32MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Xiaomi 12
- 6.3" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
Xiaomi 12
- 4500 mAh
- Wired: 67W
- Wireless: 50W
We compared Redmi K90 Ultra and Xiaomi 12, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Xiaomi 12 by 135.9% in our overall performance rating.
Price difference: $330. Redmi K90 Ultra is cheaper by $330.
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Xiaomi 12 (92/100 vs 69/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 12 notably outperforms the Redmi K90 Ultra (52/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Xiaomi 12 (92/100 vs 57/100).
portability
In the "portability" category, the Xiaomi 12 notably outperforms the Redmi K90 Ultra (69/100 vs 40/100).
value for money
In the "value for money" category, the Redmi K90 Ultra significantly outperforms the Xiaomi 12 (86/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Xiaomi 12?
The Redmi K90 Ultra is noticeably better than the Xiaomi 12 — the overall rating gap is 11 points.
What is the rating of the Redmi K90 Ultra and the Xiaomi 12?
The Redmi K90 Ultra has a MobileRank rating of 75/100, the Xiaomi 12 — 64/100.
Which has the better camera: the Redmi K90 Ultra or the Xiaomi 12?
The Xiaomi 12 leads on camera score (52/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Xiaomi 12?
The Redmi K90 Ultra leads on performance (92/100 vs 69/100).
Should you choose the Redmi K90 Ultra over the Xiaomi 12?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 12 is a better fit for active users.