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 1,092,605); the Redmi K90 Ultra has NFC for contactless payments, the Redmi K50i doesn't; the Redmi K50i is noticeably lighter (200g vs 227g).
Profile comparison
Category scores
Redmi K50i
Redmi K90 Ultra
What makes Redmi K50i better?
- Better main camera: 64MP vs 50MP
- Lighter: 200g vs 227g
- Better camera (43/100 vs 37/100)
- Better portability (50/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1092605
- Better Geekbench Single: 3013 vs 1139
- Better Geekbench Multi: 9287 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)
Comparison verdict
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).
Specs comparison
| Specification | Redmi K50i | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8100 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1092605 | 3233695 | |
| Geekbench Single | 1139 | 3013 | |
| Geekbench Multi | 3842 | 9287 | |
| 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 |
Camera comparison
Redmi K50i
- Main: 64MP f/1.9
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Redmi K50i
- 6.6" FFS LCD
- Resolution: 1080x2460
- Refresh rate: 144 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Redmi K50i
- 5080 mAh
- Wired: 67W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi K50i and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi K50i by 66.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi K50i
Price unknownDetailed category analysis
performance
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).
Frequently asked questions
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.