Oppo Reno8 (China) vs Redmi K90 Ultra
The Oppo Reno8 (China) (2022) runs on the MediaTek Dimensity 1300, 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 53/100 (a 20-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4500); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 954,090); the Oppo Reno8 (China) is noticeably lighter (179g vs 227g).
Oppo Reno8 (China)
Redmi K90 Ultra
- Lighter: 179g vs 227g
- Better portability (75/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 954090
- Better Geekbench Single: 3041 vs 1114
- Better Geekbench Multi: 9494 vs 3281
- Bigger battery: 8550 vs 4500 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 58/100)
- Longer battery life (78/100 vs 45/100)
- Better display (94/100 vs 69/100)
Comparing the Oppo Reno8 (China) vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 20 points higher (73/100 vs 53/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 58/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 45/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno8 (China) (92/100 vs 58/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Oppo Reno8 (China) (94/100 vs 69/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno8 (China) (78/100 vs 45/100). In the "portability" category, the Oppo Reno8 (China) significantly outperforms the Redmi K90 Ultra (75/100 vs 40/100).
| Specification | Oppo Reno8 (China) | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 1300 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 954090 | 3119308 | |
| Geekbench Single | 1114 | 3041 | |
| Geekbench Multi | 3281 | 9494 | |
| Display | 6.4" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 4500 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 12, ColorOS 12.1 | Android 16 | |
| Brightness (peak) | 800 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 160.6×73.4×7.7 mm | 162.9×77.9×8.2 mm | |
| Weight | 179 g | 227 g | |
| Launch price | — | $420 |
Oppo Reno8 (China)
- Main: 50MP f/f/1.8
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Oppo Reno8 (China)
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Oppo Reno8 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Oppo Reno8 (China) and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Oppo Reno8 (China) by 69.4% in our overall performance rating.
Oppo Reno8 (China)
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno8 (China) (92/100 vs 58/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Oppo Reno8 (China) (94/100 vs 69/100).
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno8 (China) (78/100 vs 45/100).
portability
In the "portability" category, the Oppo Reno8 (China) significantly outperforms the Redmi K90 Ultra (75/100 vs 40/100).
Which is better: the Oppo Reno8 (China) or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Oppo Reno8 (China) by 20 points (73/100 vs 53/100).
What is the rating of the Oppo Reno8 (China) and the Redmi K90 Ultra?
The Oppo Reno8 (China) has a MobileRank rating of 53/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Oppo Reno8 (China) or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 58/100).
Should you choose the Oppo Reno8 (China) over the Redmi K90 Ultra?
The Oppo Reno8 (China) 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.