Redmi K90 Ultra vs Redmi R70
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi R70 (2026) runs on the Unisoc T8300. 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 6000); the main camera is 50 MP vs 13 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 639,225); the Redmi K90 Ultra has NFC for contactless payments, the Redmi R70 doesn't; the Redmi R70 is noticeably lighter (210g vs 227g).
Redmi K90 Ultra
Redmi R70
- Higher AnTuTu: 3119308 vs 639225
- Better Geekbench Single: 3041 vs 880
- Better Geekbench Multi: 9494 vs 2073
- Bigger battery: 8550 vs 6000 mAh
- Faster charging: 100W vs 15W
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 47/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 51/100)
- Better display (94/100 vs 55/100)
- Lighter: 210g vs 227g
- Better portability (51/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Redmi R70, 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 47/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 51/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi R70 (92/100 vs 47/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi R70 (94/100 vs 55/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi R70 (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Redmi R70 (78/100 vs 51/100). In the "portability" category, the Redmi R70 is a bit better (51/100 vs 40/100).
| Specification | Redmi K90 Ultra | Redmi R70 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Unisoc T8300 | |
| AnTuTu | 3119308 | 639225 | |
| Geekbench Single | 3041 | 880 | |
| Geekbench Multi | 9494 | 2073 | |
| Display | 6.8" AMOLED | 6.9" IPS LCD | |
| Resolution | 1280x2772 | 720x1600 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 6000 mAh | |
| Charging | 100W | 15W | |
| Main camera | 50 MP | 13 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 16, HyperOS 3 | |
| Brightness (peak) | 3500 nits | 800 nits | |
| NFC | yes | no | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 171.6×79.5×8.2 mm | |
| Weight | 227 g | 210 g | |
| Launch price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi R70
- Main: 13MP
- Front: 8MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi R70
- 6.9" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Redmi R70
- 6000 mAh
- Wired: 15W
- No wireless charging
We compared Redmi K90 Ultra and Redmi R70, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi R70 by 388.0% in our overall performance rating.
Redmi R70
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi R70 (92/100 vs 47/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi R70 (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi R70 (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Redmi R70 (78/100 vs 51/100).
portability
In the "portability" category, the Redmi R70 is a bit better (51/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Redmi R70?
The Redmi K90 Ultra significantly outperforms the Redmi R70 by 34 points (73/100 vs 39/100).
What is the rating of the Redmi K90 Ultra and the Redmi R70?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Redmi R70 — 39/100.
Which has the better camera: the Redmi K90 Ultra or the Redmi R70?
The Redmi K90 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi K90 Ultra or the Redmi R70?
The Redmi K90 Ultra leads on performance (92/100 vs 47/100).
Should you choose the Redmi K90 Ultra over the Redmi R70?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Redmi R70 is a better fit for everyday use.