OPPO Find X9 vs Redmi K90 Ultra
The OPPO Find X9 (2026) runs on the MediaTek Dimensity 9500, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $999 and $420. By overall MobileRank rating, the OPPO Find X9 leads — 84/100 vs 73/100 (a 11-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6000); the OPPO Find X9 is faster in AnTuTu (3,400,423 vs 3,233,695); the OPPO Find X9 is noticeably lighter (207g vs 227g).
Profile comparison
Category scores
OPPO Find X9
Redmi K90 Ultra
What makes OPPO Find X9 better?
- Higher AnTuTu: 3400423 vs 3233695
- Better Geekbench Single: 3293 vs 3013
- Better Geekbench Multi: 10243 vs 9287
- Lighter: 207g vs 227g
- Higher performance (94/100 vs 92/100)
- Better camera (78/100 vs 37/100)
- Longer battery life (83/100 vs 78/100)
- Better portability (55/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Bigger battery: 8550 vs 6000 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $999
- Better display (94/100 vs 84/100)
Comparison verdict
Comparing the OPPO Find X9 vs the Redmi K90 Ultra, the OPPO Find X9 scores 11 points higher (84/100 vs 73/100). In the "camera" category, the OPPO Find X9 leads (78/100 vs 37/100). Value score: OPPO Find X9 — 78/100, 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 OPPO Find X9 and the Redmi K90 Ultra are nearly equal (94/100 vs 92/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, the OPPO Find X9 significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100). In the "battery" category, the OPPO Find X9 is a bit better (83/100 vs 78/100). In the "portability" category, the OPPO Find X9 notably outperforms the Redmi K90 Ultra (55/100 vs 40/100).
Specs comparison
| Specification | OPPO Find X9 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3400423 | 3233695 | |
| Geekbench Single | 3293 | 3013 | |
| Geekbench Multi | 10243 | 9287 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 2780x1264 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 6000 mAh | 8550 mAh | |
| Charging | 100W | 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 | 256GB / 512GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 3600 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 157.0×73.9×8.0 mm | 162.9×77.9×8.2 mm | |
| Weight | 207 g | 227 g | |
| Launch price | $999 | $420 |
Camera comparison
OPPO Find X9
- Main: 50MP f/1.4
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OPPO Find X9
- 6.8" LTPO AMOLED
- Resolution: 2780x1264
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
OPPO Find X9
- 6000 mAh
- Wired: 100W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OPPO Find X9 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
OPPO Find X9 leads Redmi K90 Ultra by 5.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $579. Redmi K90 Ultra was $579 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OPPO Find X9 and the Redmi K90 Ultra are nearly equal (94/100 vs 92/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100).
camera
In the "camera" category, the OPPO Find X9 significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100).
battery
In the "battery" category, the OPPO Find X9 is a bit better (83/100 vs 78/100).
portability
In the "portability" category, the OPPO Find X9 notably outperforms the Redmi K90 Ultra (55/100 vs 40/100).
Frequently asked questions
Which is better: the OPPO Find X9 or the Redmi K90 Ultra?
The OPPO Find X9 is noticeably better than the Redmi K90 Ultra — the overall rating gap is 11 points.
What is the rating of the OPPO Find X9 and the Redmi K90 Ultra?
The OPPO Find X9 has a MobileRank rating of 84/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the OPPO Find X9 or the Redmi K90 Ultra?
The OPPO Find X9 leads on camera score (78/100 vs 37/100).
Should you choose the OPPO Find X9 over the Redmi K90 Ultra?
The OPPO Find X9 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.