Oppo Reno15 F vs Redmi K90 Ultra
The Oppo Reno15 F (2026) runs on the Qualcomm Snapdragon 6 Gen 1, 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 58/100 (a 15-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 865,334); the Oppo Reno15 F is noticeably lighter (195g vs 227g).
Oppo Reno15 F
Redmi K90 Ultra
- Lighter: 195g vs 227g
- Better camera (44/100 vs 37/100)
- Better portability (60/100 vs 40/100)
- Higher AnTuTu: 3233695 vs 865334
- Better Geekbench Single: 3041 vs 935
- Better Geekbench Multi: 9494 vs 2719
- Bigger battery: 8550 vs 7000 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 54/100)
- Longer battery life (78/100 vs 68/100)
- Better display (94/100 vs 80/100)
Comparing the Oppo Reno15 F vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 15 points higher (73/100 vs 58/100). 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 68/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno15 F (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 Reno15 F is a bit better (44/100 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 Reno15 F notably outperforms the Redmi K90 Ultra (60/100 vs 40/100).
| Specification | Oppo Reno15 F | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6 Gen 1 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 865334 | 3233695 | |
| Geekbench Single | 935 | 3041 | |
| Geekbench Multi | 2719 | 9494 | |
| Display | 6.6" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2372 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 7000 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 50 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16, ColorOS 16 | Android 16 | |
| Brightness (peak) | 1400 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 158.2×74.9×8.1 mm | 162.9×77.9×8.2 mm | |
| Weight | 195 g | 227 g | |
| Launch price | — | $420 |
Oppo Reno15 F
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 50MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Oppo Reno15 F
- 6.6" AMOLED
- Resolution: 1080x2372
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Oppo Reno15 F
- 7000 mAh
- Wired: 80W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Oppo Reno15 F and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Oppo Reno15 F by 73.2% in our overall performance rating.
Oppo Reno15 F
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno15 F (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 Reno15 F is a bit better (44/100 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 Reno15 F notably outperforms the Redmi K90 Ultra (60/100 vs 40/100).
Which is better: the Oppo Reno15 F or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Oppo Reno15 F — the overall rating gap is 15 points.
What is the rating of the Oppo Reno15 F and the Redmi K90 Ultra?
The Oppo Reno15 F has a MobileRank rating of 58/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Oppo Reno15 F or the Redmi K90 Ultra?
The Oppo Reno15 F leads on camera score (44/100 vs 37/100).
Which is more powerful: the Oppo Reno15 F or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 54/100).
Should you choose the Oppo Reno15 F over the Redmi K90 Ultra?
The Oppo Reno15 F is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.