OPPO Find X9 Ultra vs Redmi K90 Ultra
The OPPO Find X9 Ultra (2026) runs on the Snapdragon 8 Elite Gen 5, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $1299 and $420. By overall MobileRank rating, the OPPO Find X9 Ultra leads — 92/100 vs 75/100 (a 17-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7050); the main camera is 200 MP vs 50 MP; the OPPO Find X9 Ultra is faster in AnTuTu (4,086,107 vs 3,119,308).
OPPO Find X9 Ultra
Redmi K90 Ultra
- Higher AnTuTu: 4086107 vs 3119308
- Better Geekbench Single: 3640 vs 3041
- Better Geekbench Multi: 11033 vs 9494
- Better main camera: 200MP vs 50MP
- Higher performance (98/100 vs 92/100)
- Better camera (100/100 vs 37/100)
- Better display (98/100 vs 94/100)
- Better value for money (92/100 vs 86/100)
- Bigger battery: 8550 vs 7050 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Lighter: 227g vs 235g
- Cheaper: $420 vs $1299
- Longer battery life (92/100 vs 87/100)
- Better portability (40/100 vs 24/100)
Comparing the OPPO Find X9 Ultra vs the Redmi K90 Ultra, the OPPO Find X9 Ultra scores 17 points higher (92/100 vs 75/100). In the "camera" category, the OPPO Find X9 Ultra leads (100/100 vs 37/100). In the "performance" category, the OPPO Find X9 Ultra is a bit better (98/100 vs 92/100). In the "display" category, the OPPO Find X9 Ultra and the Redmi K90 Ultra are nearly equal (98/100 vs 94/100). In the "camera" category, the OPPO Find X9 Ultra significantly outperforms the Redmi K90 Ultra (100/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (92/100 vs 87/100). In the "portability" category, the Redmi K90 Ultra notably outperforms the OPPO Find X9 Ultra (40/100 vs 24/100). In the "value for money" category, the OPPO Find X9 Ultra is a bit better (92/100 vs 86/100).
| Specification | OPPO Find X9 Ultra | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 4086107 | 3119308 | |
| Geekbench Single | 3640 | 3041 | |
| Geekbench Multi | 11033 | 9494 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 1440x3120 | 1280x2772 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 7050 mAh | 8550 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 50W | — | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 200 MP | 0 MP | |
| Front camera | 50 MP | 20 MP | |
| RAM | 16GB | 12GB / 16GB | |
| Storage | 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3600 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 8.7×None×None mm | 162.9×77.9×8.2 mm | |
| Weight | 235 g | 227 g | |
| Price | $1299 | $420 |
OPPO Find X9 Ultra
- Main: 200MP f/f/1.65
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
OPPO Find X9 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3120
- Refresh rate: 144 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
OPPO Find X9 Ultra
- 7050 mAh
- NanoReview test: web browsing 16:45 hrs, total 37:00 hrs
- Wired: 100W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
We compared OPPO Find X9 Ultra and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
OPPO Find X9 Ultra leads Redmi K90 Ultra by 31.0% in our overall performance rating.
Price difference: $879. Redmi K90 Ultra is cheaper by $879.
performance
In the "performance" category, the OPPO Find X9 Ultra is a bit better (98/100 vs 92/100).
display
In the "display" category, the OPPO Find X9 Ultra and the Redmi K90 Ultra are nearly equal (98/100 vs 94/100).
camera
In the "camera" category, the OPPO Find X9 Ultra significantly outperforms the Redmi K90 Ultra (100/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (92/100 vs 87/100).
portability
In the "portability" category, the Redmi K90 Ultra notably outperforms the OPPO Find X9 Ultra (40/100 vs 24/100).
value for money
In the "value for money" category, the OPPO Find X9 Ultra is a bit better (92/100 vs 86/100).
Which is better: the OPPO Find X9 Ultra or the Redmi K90 Ultra?
The OPPO Find X9 Ultra is noticeably better than the Redmi K90 Ultra — the overall rating gap is 17 points.
What is the rating of the OPPO Find X9 Ultra and the Redmi K90 Ultra?
The OPPO Find X9 Ultra has a MobileRank rating of 92/100, the Redmi K90 Ultra — 75/100.
Which has the better camera: the OPPO Find X9 Ultra or the Redmi K90 Ultra?
The OPPO Find X9 Ultra leads on camera score (100/100 vs 37/100).
Which is more powerful: the OPPO Find X9 Ultra or the Redmi K90 Ultra?
The OPPO Find X9 Ultra leads on performance (98/100 vs 92/100).
Should you choose the OPPO Find X9 Ultra over the Redmi K90 Ultra?
The OPPO Find X9 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, 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, budget-conscious buyers.