Redmi K90 Ultra vs Redmi Note 12 (China)
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi Note 12 (China) (2022) runs on the Qualcomm Snapdragon 4 Gen 1. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 46/100 (a 27-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 48 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 521,686); the Redmi K90 Ultra has NFC for contactless payments, the Redmi Note 12 (China) doesn't; the Redmi Note 12 (China) is noticeably lighter (188g vs 227g).
Redmi K90 Ultra
Redmi Note 12 (China)
- Higher AnTuTu: 3119308 vs 521686
- Better Geekbench Single: 3041 vs 852
- Better Geekbench Multi: 9494 vs 2048
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 33W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 44/100)
- Better camera (37/100 vs 29/100)
- Longer battery life (78/100 vs 46/100)
- Better display (94/100 vs 79/100)
- Lighter: 188g vs 227g
- Better portability (67/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Redmi Note 12 (China), the Redmi K90 Ultra scores 27 points higher (73/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 44/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 12 (China) (92/100 vs 44/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Redmi Note 12 (China) (94/100 vs 79/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 29/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 12 (China) (78/100 vs 46/100). In the "portability" category, the Redmi Note 12 (China) notably outperforms the Redmi K90 Ultra (67/100 vs 40/100).
| Specification | Redmi K90 Ultra | Redmi Note 12 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 1 | |
| AnTuTu | 3119308 | 521686 | |
| Geekbench Single | 3041 | 852 | |
| Geekbench Multi | 9494 | 2048 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1280x2772 | 1080x2400 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 33W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 12, MIUI 13 | |
| Brightness (peak) | 3500 nits | 1200 nits | |
| NFC | yes | no | |
| Protection | IP68/IP69 | IP53 | |
| Dimensions | 162.9×77.9×8.2 mm | 165.9×76.2×8.0 mm | |
| Weight | 227 g | 188 g | |
| Launch price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi Note 12 (China)
- Main: 48MP
- Front: 8MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi Note 12 (China)
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Redmi Note 12 (China)
- 5000 mAh
- Wired: 33W
- No wireless charging
We compared Redmi K90 Ultra and Redmi Note 12 (China), covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi Note 12 (China) by 497.9% in our overall performance rating.
Redmi Note 12 (China)
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 12 (China) (92/100 vs 44/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Redmi Note 12 (China) (94/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 29/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi Note 12 (China) (78/100 vs 46/100).
portability
In the "portability" category, the Redmi Note 12 (China) notably outperforms the Redmi K90 Ultra (67/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Redmi Note 12 (China)?
The Redmi K90 Ultra significantly outperforms the Redmi Note 12 (China) by 27 points (73/100 vs 46/100).
What is the rating of the Redmi K90 Ultra and the Redmi Note 12 (China)?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Redmi Note 12 (China) — 46/100.
Which has the better camera: the Redmi K90 Ultra or the Redmi Note 12 (China)?
The Redmi K90 Ultra leads on camera score (37/100 vs 29/100).
Which is more powerful: the Redmi K90 Ultra or the Redmi Note 12 (China)?
The Redmi K90 Ultra leads on performance (92/100 vs 44/100).
Should you choose the Redmi K90 Ultra over the Redmi Note 12 (China)?
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 (China) is a better fit for everyday use.