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).
Profile comparison
Category scores
Redmi K90 Ultra
Sony Xperia 10 II
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 329457
- Better Geekbench Single: 3013 vs 321
- Better Geekbench Multi: 9287 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)
What makes Sony Xperia 10 II better?
- Lighter: 151g vs 227g
- Better portability (81/100 vs 40/100)
Comparison verdict
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).
Specs comparison
| Specification | Redmi K90 Ultra | Sony Xperia 10 II | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 665 | |
| AnTuTu | 3233695 | 329457 | |
| Geekbench Single | 3013 | 321 | |
| Geekbench Multi | 9287 | 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 | — |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Sony Xperia 10 II
- Main: 12MP f/2.0
- Ultrawide: 8MP
- Telephoto: 8MP
- Front: 8MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Sony Xperia 10 II
- 6.0" OLED
- Resolution: 1080x2520
- Refresh rate: —
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Sony Xperia 10 II
- 3600 mAh
- Wired: 18W
- No wireless charging
Overall performance score
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.
Benchmarks
Launch prices and where to check today's
Sony Xperia 10 II
Price unknownDetailed category analysis
performance
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).
Frequently asked questions
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.