Redmi K90 Ultra vs Sony Xperia 10 II
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Sony Xperia 10 II (2020) runs on the Qualcomm Snapdragon 665. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 33/100 (a 40-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 3600); the main camera is 50 MP vs 12 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 329,457); the Sony Xperia 10 II is noticeably lighter (151g vs 227g).
Redmi K90 Ultra
Sony Xperia 10 II
- Higher AnTuTu: 3233695 vs 329457
- Better Geekbench Single: 3041 vs 321
- Better Geekbench Multi: 9494 vs 1128
- Bigger battery: 8550 vs 3600 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 12MP
- Higher performance (92/100 vs 24/100)
- Better camera (37/100 vs 17/100)
- Longer battery life (78/100 vs 13/100)
- Better display (94/100 vs 90/100)
- Lighter: 151g vs 227g
- Better portability (81/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Sony Xperia 10 II, the Redmi K90 Ultra scores 40 points higher (73/100 vs 33/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 24/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 17/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 13/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Sony Xperia 10 II (92/100 vs 24/100). In the "display" category, the Redmi K90 Ultra and the Sony Xperia 10 II are nearly equal (94/100 vs 90/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Sony Xperia 10 II (37/100 vs 17/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Sony Xperia 10 II (78/100 vs 13/100). In the "portability" category, the Sony Xperia 10 II significantly outperforms the Redmi K90 Ultra (81/100 vs 40/100).
| Specification | Redmi K90 Ultra | Sony Xperia 10 II | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 665 | |
| AnTuTu | 3233695 | 329457 | |
| Geekbench Single | 3041 | 321 | |
| Geekbench Multi | 9494 | 1128 | |
| Display | 6.8" AMOLED | 6.0" OLED | |
| Resolution | 1280x2772 | 1080x2520 | |
| Refresh rate | 165 Hz | — | |
| Battery | 8550 mAh | 3600 mAh | |
| Charging | 100W | 18W | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 8 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB | 128GB | |
| OS | Android 16 | Android 10.0 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP65 | |
| Dimensions | 162.9×77.9×8.2 mm | 157.0×69.0×8.2 mm | |
| Weight | 227 g | 151 g | |
| Launch price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Sony Xperia 10 II
- Main: 12MP f/f/2.0
- Ultrawide: 8MP
- Telephoto: 8MP
- Front: 8MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Sony Xperia 10 II
- 6.0" OLED
- Resolution: 1080x2520
- Refresh rate: —
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Sony Xperia 10 II
- 3600 mAh
- Wired: 18W
- No wireless charging
We compared Redmi K90 Ultra and Sony Xperia 10 II, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Sony Xperia 10 II by 881.5% in our overall performance rating.
Sony Xperia 10 II
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Sony Xperia 10 II (92/100 vs 24/100).
display
In the "display" category, the Redmi K90 Ultra and the Sony Xperia 10 II are nearly equal (94/100 vs 90/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Sony Xperia 10 II (37/100 vs 17/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Sony Xperia 10 II (78/100 vs 13/100).
portability
In the "portability" category, the Sony Xperia 10 II significantly outperforms the Redmi K90 Ultra (81/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Sony Xperia 10 II?
The Redmi K90 Ultra significantly outperforms the Sony Xperia 10 II by 40 points (73/100 vs 33/100).
What is the rating of the Redmi K90 Ultra and the Sony Xperia 10 II?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Sony Xperia 10 II — 33/100.
Which has the better camera: the Redmi K90 Ultra or the Sony Xperia 10 II?
The Redmi K90 Ultra leads on camera score (37/100 vs 17/100).
Which is more powerful: the Redmi K90 Ultra or the Sony Xperia 10 II?
The Redmi K90 Ultra leads on performance (92/100 vs 24/100).
Should you choose the Redmi K90 Ultra over the Sony Xperia 10 II?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Sony Xperia 10 II is a better fit for everyday use.