OPPO Find X9s vs Redmi K90 Ultra
The OPPO Find X9s (2026) runs on the MediaTek Dimensity 9500s, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $699 and $420. By overall MobileRank rating, the OPPO Find X9s leads — 80/100 vs 73/100 (a 7-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7025); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 2,884,942); the OPPO Find X9s is noticeably lighter (207g vs 227g).
Profile comparison
Category scores
OPPO Find X9s
Redmi K90 Ultra
What makes OPPO Find X9s better?
- Lighter: 207g vs 227g
- Better camera (78/100 vs 37/100)
- Better portability (56/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 2884942
- Better Geekbench Single: 3013 vs 2725
- Better Geekbench Multi: 9287 vs 8932
- Bigger battery: 8550 vs 7025 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $699
- Higher performance (92/100 vs 89/100)
- Longer battery life (78/100 vs 68/100)
- Better display (94/100 vs 85/100)
Comparison verdict
Comparing the OPPO Find X9s vs the Redmi K90 Ultra, the OPPO Find X9s scores 7 points higher (80/100 vs 73/100). In the "camera" category, the OPPO Find X9s leads (78/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 68/100). Value score: OPPO Find X9s — 74/100, Redmi K90 Ultra — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Ultra and the OPPO Find X9s 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 X9s significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100). In the "portability" category, the OPPO Find X9s notably outperforms the Redmi K90 Ultra (56/100 vs 40/100).
Specs comparison
| Specification | OPPO Find X9s | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500s | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2884942 | 3233695 | |
| Geekbench Single | 2725 | 3013 | |
| Geekbench Multi | 8932 | 9287 | |
| Display | 6.6" LTPS AMOLED | 6.8" AMOLED | |
| Resolution | 1256x2760 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 7025 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3600 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68/IP69 | |
| Dimensions | 156.9×73.9×7.9 mm | 162.9×77.9×8.2 mm | |
| Weight | 207 g | 227 g | |
| Launch price | $699 | $420 |
Camera comparison
OPPO Find X9s
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OPPO Find X9s
- 6.6" LTPS AMOLED
- Resolution: 1256x2760
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
OPPO Find X9s
- 7025 mAh
- Wired: 80W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OPPO Find X9s and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads OPPO Find X9s by 10.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $279. Redmi K90 Ultra was $279 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra and the OPPO Find X9s 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 X9s significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100).
portability
In the "portability" category, the OPPO Find X9s notably outperforms the Redmi K90 Ultra (56/100 vs 40/100).
Frequently asked questions
Which is better: the OPPO Find X9s or the Redmi K90 Ultra?
The OPPO Find X9s edges out the Redmi K90 Ultra by just 7 points — the two devices are very close in overall level.
What is the rating of the OPPO Find X9s and the Redmi K90 Ultra?
The OPPO Find X9s has a MobileRank rating of 80/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the OPPO Find X9s or the Redmi K90 Ultra?
The OPPO Find X9s leads on camera score (78/100 vs 37/100).
Should you choose the OPPO Find X9s over the Redmi K90 Ultra?
The OPPO Find X9s is a better fit for gamers and power users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.