Oppo Reno4 Pro vs Redmi K90 Ultra
The Oppo Reno4 Pro (2020) runs on the Qualcomm Snapdragon 720G, 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 45/100 (a 28-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4000); the main camera is 48 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 517,460); the Oppo Reno4 Pro is noticeably lighter (161g vs 227g).
Profile comparison
Category scores
Oppo Reno4 Pro
Redmi K90 Ultra
What makes Oppo Reno4 Pro better?
- Lighter: 161g vs 227g
- Better camera (39/100 vs 37/100)
- Better portability (86/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 517460
- Better Geekbench Single: 3013 vs 746
- Better Geekbench Multi: 9287 vs 1762
- Bigger battery: 8550 vs 4000 mAh
- Faster charging: 100W vs 65W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 41/100)
- Longer battery life (78/100 vs 32/100)
- Better display (94/100 vs 68/100)
Comparison verdict
Comparing the Oppo Reno4 Pro vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 28 points higher (73/100 vs 45/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 41/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 32/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno4 Pro (92/100 vs 41/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Oppo Reno4 Pro (94/100 vs 68/100). In the "camera" category, the Oppo Reno4 Pro and the Redmi K90 Ultra are nearly equal (39/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno4 Pro (78/100 vs 32/100). In the "portability" category, the Oppo Reno4 Pro significantly outperforms the Redmi K90 Ultra (86/100 vs 40/100).
Specs comparison
| Specification | Oppo Reno4 Pro | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 720G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 517460 | 3233695 | |
| Geekbench Single | 746 | 3013 | |
| Geekbench Multi | 1762 | 9287 | |
| Display | 6.5" Super AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 4000 mAh | 8550 mAh | |
| Charging | 65W | 100W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 10, ColorOS 7.2 | Android 16 | |
| Brightness (peak) | 500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 160.2×73.2×7.7 mm | 162.9×77.9×8.2 mm | |
| Weight | 161 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Oppo Reno4 Pro
- Main: 48MP f/1.7
- Ultrawide: 8MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Oppo Reno4 Pro
- 6.5" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Oppo Reno4 Pro
- 4000 mAh
- Wired: 65W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Oppo Reno4 Pro and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Oppo Reno4 Pro by 84.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo Reno4 Pro
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno4 Pro (92/100 vs 41/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Oppo Reno4 Pro (94/100 vs 68/100).
camera
In the "camera" category, the Oppo Reno4 Pro and the Redmi K90 Ultra are nearly equal (39/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno4 Pro (78/100 vs 32/100).
portability
In the "portability" category, the Oppo Reno4 Pro significantly outperforms the Redmi K90 Ultra (86/100 vs 40/100).
Frequently asked questions
Which is better: the Oppo Reno4 Pro or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Oppo Reno4 Pro by 28 points (73/100 vs 45/100).
What is the rating of the Oppo Reno4 Pro and the Redmi K90 Ultra?
The Oppo Reno4 Pro has a MobileRank rating of 45/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Oppo Reno4 Pro or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 41/100).
Should you choose the Oppo Reno4 Pro over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.