Redmi K50i vs Redmi K90 Ultra
The Redmi K50i (2022) runs on the MediaTek Dimensity 8100, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 57/100 (a 16-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5080); the main camera is 64 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,089,139); the Redmi K90 Ultra has NFC for contactless payments, the Redmi K50i doesn't; the Redmi K50i is noticeably lighter (200g vs 227g).
Redmi K50i
Redmi K90 Ultra
- Better main camera: 64MP vs 50MP
- Lighter: 200g vs 227g
- Better camera (43/100 vs 37/100)
- Better portability (50/100 vs 40/100)
- Higher AnTuTu: 3233695 vs 1089139
- Better Geekbench Single: 3041 vs 1139
- Better Geekbench Multi: 9494 vs 3842
- Bigger battery: 8550 vs 5080 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (92/100 vs 62/100)
- Longer battery life (78/100 vs 54/100)
- Better display (94/100 vs 77/100)
Comparing the Redmi K50i vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 16 points higher (73/100 vs 57/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 62/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 54/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi K50i (92/100 vs 62/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Redmi K50i (94/100 vs 77/100). In the "camera" category, the Redmi K50i is a bit better (43/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Redmi K50i (78/100 vs 54/100). In the "portability" category, the Redmi K50i is a bit better (50/100 vs 40/100).
| Specification | Redmi K50i | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8100 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1089139 | 3233695 | |
| Geekbench Single | 1139 | 3041 | |
| Geekbench Multi | 3842 | 9494 | |
| Display | 6.6" FFS LCD | 6.8" AMOLED | |
| Resolution | 1080x2460 | 1280x2772 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 5080 mAh | 8550 mAh | |
| Charging | 67W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 12, MIUI 13 | Android 16 | |
| Brightness (peak) | 650 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP53 | IP68/IP69 | |
| Dimensions | 163.6×74.3×8.9 mm | 162.9×77.9×8.2 mm | |
| Weight | 200 g | 227 g | |
| Launch price | — | $420 |
Redmi K50i
- Main: 64MP f/f/1.9
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi K50i
- 6.6" FFS LCD
- Resolution: 1080x2460
- Refresh rate: 144 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi K50i
- 5080 mAh
- Wired: 67W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Redmi K50i and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi K50i by 66.3% in our overall performance rating.
Redmi K50i
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi K50i (92/100 vs 62/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Redmi K50i (94/100 vs 77/100).
camera
In the "camera" category, the Redmi K50i is a bit better (43/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Redmi K50i (78/100 vs 54/100).
portability
In the "portability" category, the Redmi K50i is a bit better (50/100 vs 40/100).
Which is better: the Redmi K50i or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Redmi K50i — the overall rating gap is 16 points.
What is the rating of the Redmi K50i and the Redmi K90 Ultra?
The Redmi K50i has a MobileRank rating of 57/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Redmi K50i or the Redmi K90 Ultra?
The Redmi K50i leads on camera score (43/100 vs 37/100).
Which is more powerful: the Redmi K50i or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 62/100).
Should you choose the Redmi K50i over the Redmi K90 Ultra?
The Redmi K50i is a better fit for active users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.