Redmi K90 vs Sony Xperia XA2
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Sony Xperia XA2 (2018) runs on the Snapdragon 630; launch prices were $401 and $349. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 21/100 (a 55-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 3300); the main camera is 50 MP vs 23 MP; the Redmi K90 is faster in AnTuTu (3,086,235 vs 215,323); the Sony Xperia XA2 is noticeably lighter (171g vs 206g).
Redmi K90
Sony Xperia XA2
- Higher AnTuTu: 3086235 vs 215323
- Better Geekbench Single: 3041 vs 181
- Better Geekbench Multi: 9494 vs 960
- Bigger battery: 7100 vs 3300 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 23MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (92/100 vs 15/100)
- Better camera (58/100 vs 15/100)
- Longer battery life (72/100 vs 12/100)
- Better display (82/100 vs 44/100)
- Lighter: 171g vs 206g
- Cheaper at launch: $349 vs $401
- Better portability (60/100 vs 55/100)
Comparing the Redmi K90 vs the Sony Xperia XA2, the Redmi K90 scores 55 points higher (76/100 vs 21/100). In the "performance" category, the Redmi K90 leads (92/100 vs 15/100). In the "camera" category, the Redmi K90 leads (58/100 vs 15/100). In the "battery" category, the Redmi K90 leads (72/100 vs 12/100). Value score: Redmi K90 — 90/100, Sony Xperia XA2 — 0/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 significantly outperforms the Sony Xperia XA2 (92/100 vs 15/100). In the "display" category, the Redmi K90 significantly outperforms the Sony Xperia XA2 (82/100 vs 44/100). In the "camera" category, the Redmi K90 significantly outperforms the Sony Xperia XA2 (58/100 vs 15/100). In the "battery" category, the Redmi K90 significantly outperforms the Sony Xperia XA2 (72/100 vs 12/100). In the "portability" category, the Sony Xperia XA2 is a bit better (60/100 vs 55/100).
| Specification | Redmi K90 | Sony Xperia XA2 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Snapdragon 630 | |
| AnTuTu | 3086235 | 215323 | |
| Geekbench Single | 3041 | 181 | |
| Geekbench Multi | 9494 | 960 | |
| Display | 6.6" AMOLED | 5.2" IPS LCD | |
| Resolution | 2510x1156 | 1080x1920 | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 7100 mAh | 3300 mAh | |
| Charging | 100W | 18W | |
| Main camera | 50 MP | 23 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 3GB | |
| Storage | 256GB / 512GB | 32GB | |
| OS | Android 16 | Android 8.0 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 157.5×75.3×8.0 mm | 142.0×70.0×9.7 mm | |
| Weight | 206 g | 171 g | |
| Launch price | $401 | $349 |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Sony Xperia XA2
- Main: 23MP f/f/2.0
- Front: 8MP
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Sony Xperia XA2
- 5.2" IPS LCD
- Resolution: 1080x1920
- Refresh rate: 60 Hz
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Sony Xperia XA2
- 3300 mAh
- Wired: 18W
- No wireless charging
We compared Redmi K90 and Sony Xperia XA2, covering their specs and all relevant benchmarks.
Redmi K90 leads Sony Xperia XA2 by 1333.3% in our overall performance rating.
Launch price difference: $52. Sony Xperia XA2 was $52 cheaper at launch.
performance
In the "performance" category, the Redmi K90 significantly outperforms the Sony Xperia XA2 (92/100 vs 15/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Sony Xperia XA2 (82/100 vs 44/100).
camera
In the "camera" category, the Redmi K90 significantly outperforms the Sony Xperia XA2 (58/100 vs 15/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Sony Xperia XA2 (72/100 vs 12/100).
portability
In the "portability" category, the Sony Xperia XA2 is a bit better (60/100 vs 55/100).
Which is better: the Redmi K90 or the Sony Xperia XA2?
The Redmi K90 significantly outperforms the Sony Xperia XA2 by 55 points (76/100 vs 21/100).
What is the rating of the Redmi K90 and the Sony Xperia XA2?
The Redmi K90 has a MobileRank rating of 76/100, the Sony Xperia XA2 — 21/100.
Which has the better camera: the Redmi K90 or the Sony Xperia XA2?
The Redmi K90 leads on camera score (58/100 vs 15/100).
Which is more powerful: the Redmi K90 or the Sony Xperia XA2?
The Redmi K90 leads on performance (92/100 vs 15/100).
Should you choose the Redmi K90 over the Sony Xperia XA2?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Sony Xperia XA2 is a better fit for everyday use.