Redmi K90 Ultra vs Redmi Note 12
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi Note 12 (2023) runs on the Qualcomm Snapdragon 685; launch prices were $420 and $200. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 43/100 (a 30-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 467,392); the Redmi Note 12 is noticeably lighter (188g vs 227g).
Redmi K90 Ultra
Redmi Note 12
- Higher AnTuTu: 3119308 vs 467392
- Better Geekbench Single: 3041 vs 466
- Better Geekbench Multi: 9494 vs 1396
- Bigger battery: 8550 vs 5000 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 33/100)
- Better camera (37/100 vs 13/100)
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 85/100)
- Lighter: 188g vs 227g
- Cheaper at launch: $200 vs $420
- Better portability (72/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Redmi Note 12, the Redmi K90 Ultra scores 30 points higher (73/100 vs 43/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 33/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 13/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 66/100). Value score: Redmi K90 Ultra — 82/100, Redmi Note 12 — 48/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 12 (92/100 vs 33/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi Note 12 (37/100 vs 13/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100). In the "portability" category, the Redmi Note 12 significantly outperforms the Redmi K90 Ultra (72/100 vs 40/100).
| Specification | Redmi K90 Ultra | Redmi Note 12 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 685 | |
| AnTuTu | 3119308 | 467392 | |
| Geekbench Single | 3041 | 466 | |
| Geekbench Multi | 9494 | 1396 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1280x2772 | — | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | — | |
| DXOMark (camera) | — | 63 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 13 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB | 64GB / 128GB / 256GB | |
| OS | Android 16 | — | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | — | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | — | |
| Weight | 227 g | 188 g | |
| Launch price | $420 | $200 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi Note 12
- Main: 50MP
- Front: 13MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi Note 12
- 6.7" AMOLED
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Redmi Note 12
- 5000 mAh
- Wireless charging: no data
We compared Redmi K90 Ultra and Redmi Note 12, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi Note 12 by 567.4% in our overall performance rating.
Launch price difference: $220. Redmi Note 12 was $220 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 12 (92/100 vs 33/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi Note 12 (37/100 vs 13/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100).
portability
In the "portability" category, the Redmi Note 12 significantly outperforms the Redmi K90 Ultra (72/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Redmi Note 12?
The Redmi K90 Ultra significantly outperforms the Redmi Note 12 by 30 points (73/100 vs 43/100).
What is the rating of the Redmi K90 Ultra and the Redmi Note 12?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Redmi Note 12 — 43/100.
Which has the better camera: the Redmi K90 Ultra or the Redmi Note 12?
The Redmi K90 Ultra leads on camera score (37/100 vs 13/100).
Which is more powerful: the Redmi K90 Ultra or the Redmi Note 12?
The Redmi K90 Ultra leads on performance (92/100 vs 33/100).
Should you choose the Redmi K90 Ultra over the Redmi Note 12?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Redmi Note 12 is a better fit for everyday use.