Oppo Find X8s vs Redmi K90 Ultra
The Oppo Find X8s (2025) runs on the MediaTek Dimensity 9400+, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Oppo Find X8s leads — 82/100 vs 73/100 (a 9-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5700); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 3,001,855); the Oppo Find X8s is noticeably lighter (179g vs 227g).
Oppo Find X8s
Redmi K90 Ultra
- Lighter: 179g vs 227g
- Better camera (78/100 vs 37/100)
- Better portability (75/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 3001855
- Better Geekbench Single: 3041 vs 2729
- Better Geekbench Multi: 9494 vs 8430
- Bigger battery: 8550 vs 5700 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 89/100)
- Longer battery life (78/100 vs 77/100)
- Better display (94/100 vs 85/100)
Comparing the Oppo Find X8s vs the Redmi K90 Ultra, the Oppo Find X8s scores 9 points higher (82/100 vs 73/100). In the "camera" category, the Oppo Find X8s leads (78/100 vs 37/100). In the "performance" category, the Redmi K90 Ultra and the Oppo Find X8s are nearly equal (92/100 vs 89/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Oppo Find X8s significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra and the Oppo Find X8s are nearly equal (78/100 vs 77/100). In the "portability" category, the Oppo Find X8s significantly outperforms the Redmi K90 Ultra (75/100 vs 40/100).
| Specification | Oppo Find X8s | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3001855 | 3119308 | |
| Geekbench Single | 2729 | 3041 | |
| Geekbench Multi | 8430 | 9494 | |
| Display | 6.3" AMOLED | 6.8" AMOLED | |
| Resolution | 1216x2640 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5700 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15, ColorOS 15 | Android 16 | |
| Brightness (peak) | 1600 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 150.6×71.8×7.7 mm | 162.9×77.9×8.2 mm | |
| Weight | 179 g | 227 g | |
| Price | — | $420 |
Oppo Find X8s
- Main: 50MP f/f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Oppo Find X8s
- 6.3" AMOLED
- Resolution: 1216x2640
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Oppo Find X8s
- 5700 mAh
- Wired: 80W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Oppo Find X8s and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Oppo Find X8s by 3.8% in our overall performance rating.
Oppo Find X8s
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra and the Oppo Find X8s are nearly equal (92/100 vs 89/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Oppo Find X8s significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra and the Oppo Find X8s are nearly equal (78/100 vs 77/100).
portability
In the "portability" category, the Oppo Find X8s significantly outperforms the Redmi K90 Ultra (75/100 vs 40/100).
Which is better: the Oppo Find X8s or the Redmi K90 Ultra?
The Oppo Find X8s edges out the Redmi K90 Ultra by just 9 points — the two devices are very close in overall level.
What is the rating of the Oppo Find X8s and the Redmi K90 Ultra?
The Oppo Find X8s has a MobileRank rating of 82/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Oppo Find X8s or the Redmi K90 Ultra?
The Oppo Find X8s leads on camera score (78/100 vs 37/100).
Should you choose the Oppo Find X8s over the Redmi K90 Ultra?
The Oppo Find X8s is a better fit for gamers and power users, those who care about battery life. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.