Oppo Reno5 4G vs Redmi K90 Ultra
The Oppo Reno5 4G (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 48/100 (a 25-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4310); the main camera is 64 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 517,460); the Redmi K90 Ultra has NFC for contactless payments, the Oppo Reno5 4G doesn't; the Oppo Reno5 4G is noticeably lighter (171g vs 227g).
Profile comparison
Category scores
Oppo Reno5 4G
Redmi K90 Ultra
What makes Oppo Reno5 4G better?
- Better main camera: 64MP vs 50MP
- Lighter: 171g vs 227g
- Better camera (51/100 vs 37/100)
- Better portability (80/100 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 4310 mAh
- Faster charging: 100W vs 50W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 41/100)
- Longer battery life (78/100 vs 35/100)
- Better display (94/100 vs 69/100)
Comparison verdict
Comparing the Oppo Reno5 4G vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 25 points higher (73/100 vs 48/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 41/100). In the "camera" category, the Oppo Reno5 4G leads (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 35/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno5 4G (92/100 vs 41/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Oppo Reno5 4G (94/100 vs 69/100). In the "camera" category, the Oppo Reno5 4G is a bit better (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno5 4G (78/100 vs 35/100). In the "portability" category, the Oppo Reno5 4G significantly outperforms the Redmi K90 Ultra (80/100 vs 40/100).
Specs comparison
| Specification | Oppo Reno5 4G | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 720G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 517460 | 3233695 | |
| Geekbench Single | 746 | 3013 | |
| Geekbench Multi | 1762 | 9287 | |
| Display | 6.4" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 4310 mAh | 8550 mAh | |
| Charging | 50W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 44 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB | |
| OS | Android 11, ColorOS 11.1 | Android 16 | |
| Brightness (peak) | 600 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 159.1×73.3×7.7 mm | 162.9×77.9×8.2 mm | |
| Weight | 171 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Oppo Reno5 4G
- Main: 64MP f/1.7
- Ultrawide: 8MP
- Front: 44MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Oppo Reno5 4G
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Oppo Reno5 4G
- 4310 mAh
- Wired: 50W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Oppo Reno5 4G and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Oppo Reno5 4G by 84.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo Reno5 4G
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno5 4G (92/100 vs 41/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Oppo Reno5 4G (94/100 vs 69/100).
camera
In the "camera" category, the Oppo Reno5 4G is a bit better (51/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Oppo Reno5 4G (78/100 vs 35/100).
portability
In the "portability" category, the Oppo Reno5 4G significantly outperforms the Redmi K90 Ultra (80/100 vs 40/100).
Frequently asked questions
Which is better: the Oppo Reno5 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Oppo Reno5 4G by 25 points (73/100 vs 48/100).
What is the rating of the Oppo Reno5 4G and the Redmi K90 Ultra?
The Oppo Reno5 4G has a MobileRank rating of 48/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Oppo Reno5 4G or the Redmi K90 Ultra?
The Oppo Reno5 4G leads on camera score (51/100 vs 37/100).
Which is more powerful: the Oppo Reno5 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 41/100).
Should you choose the Oppo Reno5 4G over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.