Redmi K90 Ultra vs Xiaomi A1
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi A1 (2022) runs on the MediaTek Helio A22. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 25/100 (a 48-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 8 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 155,362); the Redmi K90 Ultra has NFC for contactless payments, the Xiaomi A1 doesn't; the Xiaomi A1 is noticeably lighter (192g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Xiaomi A1
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 155362
- Better Geekbench Single: 3013 vs 300
- Better Geekbench Multi: 9287 vs 486
- Bigger battery: 8550 vs 5000 mAh
- Better main camera: 50MP vs 8MP
- Higher performance (92/100 vs 10/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 39/100)
What makes Xiaomi A1 better?
- Lighter: 192g vs 227g
- Better portability (52/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Xiaomi A1, the Redmi K90 Ultra scores 48 points higher (73/100 vs 25/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 10/100). 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 66/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Xiaomi A1 (92/100 vs 10/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Xiaomi A1 (94/100 vs 39/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Xiaomi A1 (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100). In the "portability" category, the Xiaomi A1 is a bit better (52/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Xiaomi A1 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Helio A22 | |
| AnTuTu | 3233695 | 155362 | |
| Geekbench Single | 3013 | 300 | |
| Geekbench Multi | 9287 | 486 | |
| Display | 6.8" AMOLED | 6.5" IPS LCD | |
| Resolution | 1280x2772 | 720x1600 | |
| Refresh rate | 165 Hz | — | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 8 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 5 MP | |
| RAM | 12GB / 16GB | 3GB / 4GB | |
| Storage | 256GB / 512GB | 32GB / 64GB | |
| OS | Android 16 | Android 12, MIUI 12 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 164.9×76.5×9.1 mm | |
| Weight | 227 g | 192 g | |
| Launch price | $420 | — |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Xiaomi A1
- Main: 8MP f/2.0
- Front: 5MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Xiaomi A1
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Xiaomi A1
- 5000 mAh
- Wireless charging: no data
Overall performance score
We compared Redmi K90 Ultra and Xiaomi A1, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Xiaomi A1 by 1981.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi A1
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Xiaomi A1 (92/100 vs 10/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Xiaomi A1 (94/100 vs 39/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Xiaomi A1 (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100).
portability
In the "portability" category, the Xiaomi A1 is a bit better (52/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Xiaomi A1?
The Redmi K90 Ultra significantly outperforms the Xiaomi A1 by 48 points (73/100 vs 25/100).
What is the rating of the Redmi K90 Ultra and the Xiaomi A1?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Xiaomi A1 — 25/100.
Which has the better camera: the Redmi K90 Ultra or the Xiaomi A1?
The Redmi K90 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi K90 Ultra or the Xiaomi A1?
The Redmi K90 Ultra leads on performance (92/100 vs 10/100).
Should you choose the Redmi K90 Ultra over the Xiaomi A1?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.