Oppo A9 (2020) vs Redmi K90
The Oppo A9 (2020) (2019) runs on the Qualcomm Snapdragon 665, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 37/100 (a 39-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the main camera is 48 MP vs 50 MP; the Redmi K90 is faster in AnTuTu (3,086,235 vs 329,457); the Redmi K90 has NFC for contactless payments, the Oppo A9 (2020) doesn't; the Redmi K90 is thinner (8.0mm vs 9.1mm).
Oppo A9 (2020)
Redmi K90
- Lighter: 195g vs 206g
- Overall rating 37/100
- Higher AnTuTu: 3086235 vs 329457
- Better Geekbench Single: 3041 vs 321
- Better Geekbench Multi: 9494 vs 1128
- Bigger battery: 7100 vs 5000 mAh
- Better main camera: 50MP vs 48MP
- Higher performance (92/100 vs 24/100)
- Better camera (58/100 vs 34/100)
- Longer battery life (72/100 vs 66/100)
- Better display (82/100 vs 39/100)
- Better portability (55/100 vs 50/100)
Comparing the Oppo A9 (2020) vs the Redmi K90, the Redmi K90 scores 39 points higher (76/100 vs 37/100). In the "performance" category, the Redmi K90 leads (92/100 vs 24/100). In the "camera" category, the Redmi K90 leads (58/100 vs 34/100). In the "performance" category, the Redmi K90 significantly outperforms the Oppo A9 (2020) (92/100 vs 24/100). In the "display" category, the Redmi K90 significantly outperforms the Oppo A9 (2020) (82/100 vs 39/100). In the "camera" category, the Redmi K90 notably outperforms the Oppo A9 (2020) (58/100 vs 34/100). In the "battery" category, the Redmi K90 is a bit better (72/100 vs 66/100). In the "portability" category, the Redmi K90 is a bit better (55/100 vs 50/100).
| Specification | Oppo A9 (2020) | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 665 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 329457 | 3086235 | |
| Geekbench Single | 321 | 3041 | |
| Geekbench Multi | 1128 | 9494 | |
| Display | 6.5" IPS LCD | 6.6" AMOLED | |
| Resolution | 720x1600 | 2510x1156 | |
| Refresh rate | — | 120 Hz | |
| Battery | 5000 mAh | 7100 mAh | |
| Charging | — | 100W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 4GB / 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB | |
| OS | Android 9.0 (Pie); ColorOS 6.1 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 163.6×75.6×9.1 mm | 157.5×75.3×8.0 mm | |
| Weight | 195 g | 206 g | |
| Launch price | — | $401 |
Oppo A9 (2020)
- Main: 48MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Oppo A9 (2020)
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Oppo A9 (2020)
- 5000 mAh
- Wireless charging: no data
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared Oppo A9 (2020) and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Oppo A9 (2020) by 89.3% in our overall performance rating.
Oppo A9 (2020)
Price unknownperformance
In the "performance" category, the Redmi K90 significantly outperforms the Oppo A9 (2020) (92/100 vs 24/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Oppo A9 (2020) (82/100 vs 39/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Oppo A9 (2020) (58/100 vs 34/100).
battery
In the "battery" category, the Redmi K90 is a bit better (72/100 vs 66/100).
portability
In the "portability" category, the Redmi K90 is a bit better (55/100 vs 50/100).
Which is better: the Oppo A9 (2020) or the Redmi K90?
The Redmi K90 significantly outperforms the Oppo A9 (2020) by 39 points (76/100 vs 37/100).
What is the rating of the Oppo A9 (2020) and the Redmi K90?
The Oppo A9 (2020) has a MobileRank rating of 37/100, the Redmi K90 — 76/100.
Which has the better camera: the Oppo A9 (2020) or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 34/100).
Which is more powerful: the Oppo A9 (2020) or the Redmi K90?
The Redmi K90 leads on performance (92/100 vs 24/100).
Should you choose the Oppo A9 (2020) over the Redmi K90?
The Oppo A9 (2020) is a better fit for everyday use. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.