Redmi 12 vs Redmi K90 Ultra
The Redmi 12 (2023) runs on the MediaTek Helio G88, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $150 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 39/100 (a 34-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 365,001); the Redmi 12 is noticeably lighter (198g vs 227g).
Profile comparison
Category scores
Redmi 12
Redmi K90 Ultra
What makes Redmi 12 better?
- Lighter: 198g vs 227g
- Cheaper at launch: $150 vs $420
- Better portability (61/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 365001
- Better Geekbench Single: 3013 vs 430
- Better Geekbench Multi: 9287 vs 1375
- Bigger battery: 8550 vs 5000 mAh
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 29/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 48/100)
Comparison verdict
Comparing the Redmi 12 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 34 points higher (73/100 vs 39/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 29/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 66/100). Value score: Redmi 12 — 52/100, 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 significantly outperforms the Redmi 12 (92/100 vs 29/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi 12 (94/100 vs 48/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100). In the "portability" category, the Redmi 12 notably outperforms the Redmi K90 Ultra (61/100 vs 40/100).
Specs comparison
| Specification | Redmi 12 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G88 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 365001 | 3233695 | |
| Geekbench Single | 430 | 3013 | |
| Geekbench Multi | 1375 | 9287 | |
| Display | 6.8" IPS LCD | 6.8" AMOLED | |
| Resolution | — | 1280x2772 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | — | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 4GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | — | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | — | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | — | 162.9×77.9×8.2 mm | |
| Weight | 198 g | 227 g | |
| Launch price | $150 | $420 |
Camera comparison
Redmi 12
- Main: 50MP
- Front: 8MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Redmi 12
- 6.8" IPS LCD
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Redmi 12
- 5000 mAh
- Wireless charging: no data
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi 12 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi 12 by 88.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $270. Redmi 12 was $270 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi 12 (92/100 vs 29/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi 12 (94/100 vs 48/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100).
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 12 notably outperforms the Redmi K90 Ultra (61/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi 12 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Redmi 12 by 34 points (73/100 vs 39/100).
What is the rating of the Redmi 12 and the Redmi K90 Ultra?
The Redmi 12 has a MobileRank rating of 39/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Redmi 12 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Redmi 12 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 29/100).
Should you choose the Redmi 12 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.