Oppo Reno9 vs Redmi K90 Ultra
The Oppo Reno9 (2022) runs on the Qualcomm Snapdragon 778G 5G, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 55/100 (a 18-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4500); the main camera is 64 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 783,606); the Oppo Reno9 is noticeably lighter (174g vs 227g).
Profile comparison
Category scores
Oppo Reno9
Redmi K90 Ultra
What makes Oppo Reno9 better?
- Better main camera: 64MP vs 50MP
- Lighter: 174g vs 227g
- Better camera (45/100 vs 37/100)
- Better portability (83/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 783606
- Better Geekbench Single: 3013 vs 1017
- Better Geekbench Multi: 9287 vs 2943
- Bigger battery: 8550 vs 4500 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 54/100)
- Longer battery life (78/100 vs 42/100)
- Better display (94/100 vs 80/100)
Comparison verdict
Comparing the Oppo Reno9 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 18 points higher (73/100 vs 55/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 54/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 42/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno9 (92/100 vs 54/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100). In the "camera" category, the Oppo Reno9 is a bit better (45/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno9 (78/100 vs 42/100). In the "portability" category, the Oppo Reno9 significantly outperforms the Redmi K90 Ultra (83/100 vs 40/100).
Specs comparison
| Specification | Oppo Reno9 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 778G 5G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 783606 | 3233695 | |
| Geekbench Single | 1017 | 3013 | |
| Geekbench Multi | 2943 | 9287 | |
| Display | 6.7" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2412 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 4500 mAh | 8550 mAh | |
| Charging | 67W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 13, ColorOS 13 | Android 16 | |
| Brightness (peak) | 950 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 162.3×74.2×7.2 mm | 162.9×77.9×8.2 mm | |
| Weight | 174 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Oppo Reno9
- Main: 64MP f/1.8
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Oppo Reno9
- 6.7" AMOLED
- Resolution: 1080x2412
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Oppo Reno9
- 4500 mAh
- Wired: 67W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Oppo Reno9 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Oppo Reno9 by 75.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo Reno9
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno9 (92/100 vs 54/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100).
camera
In the "camera" category, the Oppo Reno9 is a bit better (45/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno9 (78/100 vs 42/100).
portability
In the "portability" category, the Oppo Reno9 significantly outperforms the Redmi K90 Ultra (83/100 vs 40/100).
Frequently asked questions
Which is better: the Oppo Reno9 or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Oppo Reno9 — the overall rating gap is 18 points.
What is the rating of the Oppo Reno9 and the Redmi K90 Ultra?
The Oppo Reno9 has a MobileRank rating of 55/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Oppo Reno9 or the Redmi K90 Ultra?
The Oppo Reno9 leads on camera score (45/100 vs 37/100).
Which is more powerful: the Oppo Reno9 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 54/100).
Should you choose the Oppo Reno9 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.