OPPO Find X9 Ultra vs Redmi K90
The OPPO Find X9 Ultra (2026) runs on the Snapdragon 8 Elite Gen 5, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $1299 and $401. By overall MobileRank rating, the OPPO Find X9 Ultra leads — 86/100 vs 68/100 (a 18-point difference). Key differences: the Redmi K90 has the bigger battery (7100 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 3,088,357); the Redmi K90 is noticeably lighter (206g vs 235g).
OPPO Find X9 Ultra
Redmi K90
- Higher AnTuTu: 4086107 vs 3088357
- Better Geekbench Single: 3640 vs 3050
- Better Geekbench Multi: 11033 vs 9300
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 69/100)
- Better camera (100/100 vs 53/100)
- Longer battery life (79/100 vs 71/100)
- Bigger battery: 7100 vs 7050 mAh
- Lighter: 206g vs 235g
- Cheaper: $401 vs $1299
- Better design/ergonomics (42/100 vs 6/100)
- Better value for money (82/100 vs 20/100)
Comparing the OPPO Find X9 Ultra vs the Redmi K90, the OPPO Find X9 Ultra scores 18 points higher (86/100 vs 68/100). In the "performance" category, the OPPO Find X9 Ultra leads (94/100 vs 69/100). In the "camera" category, the OPPO Find X9 Ultra leads (100/100 vs 53/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 20/100). In the "performance" category, the OPPO Find X9 Ultra notably outperforms the Redmi K90 (94/100 vs 69/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OPPO Find X9 Ultra significantly outperforms the Redmi K90 (100/100 vs 53/100). In the "battery" category, the OPPO Find X9 Ultra is a bit better (79/100 vs 71/100). In the "design" category, the Redmi K90 significantly outperforms the OPPO Find X9 Ultra (42/100 vs 6/100). In the "value for money" category, the Redmi K90 significantly outperforms the OPPO Find X9 Ultra (82/100 vs 20/100).
| Specification | OPPO Find X9 Ultra | Redmi K90 | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 4086107 | 3088357 | |
| Geekbench Single | 3640 | 3050 | |
| Geekbench Multi | 11033 | 9300 | |
| Display | 6.8" LTPO AMOLED | 6.6" AMOLED | |
| Resolution | 1440x3120 | 2510x1156 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7050 mAh | 7100 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 50W | 0W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 200 MP | 50 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 | |
| Dimensions | 8.7×None×None mm | 157.5×75.3×8.0 mm | |
| Weight | 235 g | 206 g | |
| Price | $1299 | $401 |
OPPO Find X9 Ultra
- Main: 200MP f/f/1.65
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
OPPO Find X9 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3120
- Refresh rate: 144 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
OPPO Find X9 Ultra
- 7050 mAh
- NanoReview test: web browsing 16:45 hrs, total 37:00 hrs
- Wired: 100W
- Wireless: 50W
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared OPPO Find X9 Ultra and Redmi K90, covering their specs and all relevant benchmarks.
OPPO Find X9 Ultra leads Redmi K90 by 32.3% in our overall performance rating.
Price difference: $898. Redmi K90 is cheaper by $898.
performance
In the "performance" category, the OPPO Find X9 Ultra notably outperforms the Redmi K90 (94/100 vs 69/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the OPPO Find X9 Ultra significantly outperforms the Redmi K90 (100/100 vs 53/100).
battery
In the "battery" category, the OPPO Find X9 Ultra is a bit better (79/100 vs 71/100).
design
In the "design" category, the Redmi K90 significantly outperforms the OPPO Find X9 Ultra (42/100 vs 6/100).
value for money
In the "value for money" category, the Redmi K90 significantly outperforms the OPPO Find X9 Ultra (82/100 vs 20/100).
Which is better: the OPPO Find X9 Ultra or the Redmi K90?
The OPPO Find X9 Ultra is noticeably better than the Redmi K90 — the overall rating gap is 18 points.
What is the rating of the OPPO Find X9 Ultra and the Redmi K90?
The OPPO Find X9 Ultra has a MobileRank rating of 86/100, the Redmi K90 — 68/100.
Which has the better camera: the OPPO Find X9 Ultra or the Redmi K90?
The OPPO Find X9 Ultra leads on camera score (100/100 vs 53/100).
Which is more powerful: the OPPO Find X9 Ultra or the Redmi K90?
The OPPO Find X9 Ultra leads on performance (94/100 vs 69/100).
Should you choose the OPPO Find X9 Ultra over the Redmi K90?
The OPPO Find X9 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life. The Redmi K90 is a better fit for active users, budget-conscious buyers.