Oppo Reno6 4G vs Redmi K90
The Oppo Reno6 4G (2021) runs on the Qualcomm Snapdragon 720G, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 29/100 (a 39-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 4310); the main camera is 64 MP vs 50 MP; the Redmi K90 is faster in AnTuTu (3,088,357 vs 514,398); the Oppo Reno6 4G is noticeably lighter (173g vs 206g).
Oppo Reno6 4G
Redmi K90
- Better main camera: 64MP vs 50MP
- Lighter: 173g vs 206g
- Better design/ergonomics (83/100 vs 42/100)
- Higher AnTuTu: 3088357 vs 514398
- Better Geekbench Single: 3050 vs 746
- Better Geekbench Multi: 9300 vs 1762
- Bigger battery: 7100 vs 4310 mAh
- Faster charging: 100W vs 50W
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (69/100 vs 0/100)
- Better camera (53/100 vs 50/100)
- Longer battery life (71/100 vs 26/100)
- Better display (100/100 vs 50/100)
- Better value for money (82/100 vs 55/100)
Comparing the Oppo Reno6 4G vs the Redmi K90, the Redmi K90 scores 39 points higher (68/100 vs 29/100). In the "performance" category, the Redmi K90 leads (69/100 vs 0/100). In the "battery" category, the Redmi K90 leads (71/100 vs 26/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 55/100). In the "performance" category, the Redmi K90 significantly outperforms the Oppo Reno6 4G (69/100 vs 0/100). In the "display" category, the Redmi K90 significantly outperforms the Oppo Reno6 4G (100/100 vs 50/100). In the "camera" category, the Redmi K90 and the Oppo Reno6 4G are nearly equal (53/100 vs 50/100). In the "battery" category, the Redmi K90 significantly outperforms the Oppo Reno6 4G (71/100 vs 26/100). In the "design" category, the Oppo Reno6 4G significantly outperforms the Redmi K90 (83/100 vs 42/100). In the "value for money" category, the Redmi K90 notably outperforms the Oppo Reno6 4G (82/100 vs 55/100).
| Specification | Oppo Reno6 4G | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 720G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 514398 | 3088357 | |
| Geekbench Single | 746 | 3050 | |
| Geekbench Multi | 1762 | 9300 | |
| Display | 6.4" AMOLED | 6.6" AMOLED | |
| Resolution | 1080x2400 | 2510x1156 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 4310 mAh | 7100 mAh | |
| Charging | 50W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 50 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) | 750 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 159.1×73.3×7.8 mm | 157.5×75.3×8.0 mm | |
| Weight | 173 g | 206 g | |
| Price | — | $401 |
Oppo Reno6 4G
- Main: 64MP f/f/1.7
- Ultrawide: 8MP
- Front: 44MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Oppo Reno6 4G
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Oppo Reno6 4G
- 4310 mAh
- Wired: 50W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared Oppo Reno6 4G and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Oppo Reno6 4G by 83.3% in our overall performance rating.
Oppo Reno6 4G
Price unknownperformance
In the "performance" category, the Redmi K90 significantly outperforms the Oppo Reno6 4G (69/100 vs 0/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Oppo Reno6 4G (100/100 vs 50/100).
camera
In the "camera" category, the Redmi K90 and the Oppo Reno6 4G are nearly equal (53/100 vs 50/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Oppo Reno6 4G (71/100 vs 26/100).
design
In the "design" category, the Oppo Reno6 4G significantly outperforms the Redmi K90 (83/100 vs 42/100).
value for money
In the "value for money" category, the Redmi K90 notably outperforms the Oppo Reno6 4G (82/100 vs 55/100).
Which is better: the Oppo Reno6 4G or the Redmi K90?
The Redmi K90 significantly outperforms the Oppo Reno6 4G by 39 points (68/100 vs 29/100).
What is the rating of the Oppo Reno6 4G and the Redmi K90?
The Oppo Reno6 4G has a MobileRank rating of 29/100, the Redmi K90 — 68/100.
Which is more powerful: the Oppo Reno6 4G or the Redmi K90?
The Redmi K90 leads on performance (69/100 vs 0/100).
Should you choose the Oppo Reno6 4G over the Redmi K90?
The Oppo Reno6 4G is a better fit for everyday use. The Redmi K90 is a better fit for active users, budget-conscious buyers.