Oppo A77s vs Redmi K90
The Oppo A77s (2022) runs on the Qualcomm Snapdragon 680 4G, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 23/100 (a 45-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the Redmi K90 is faster in AnTuTu (3,088,357 vs 421,228); the Oppo A77s is noticeably lighter (187g vs 206g).
Oppo A77s
Redmi K90
- Lighter: 187g vs 206g
- Better design/ergonomics (66/100 vs 42/100)
- Higher AnTuTu: 3088357 vs 421228
- Better Geekbench Single: 3050 vs 412
- Better Geekbench Multi: 9300 vs 1410
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (69/100 vs 0/100)
- Better camera (53/100 vs 24/100)
- Longer battery life (71/100 vs 39/100)
- Better display (100/100 vs 50/100)
- Better value for money (82/100 vs 55/100)
Comparing the Oppo A77s vs the Redmi K90, the Redmi K90 scores 45 points higher (68/100 vs 23/100). In the "performance" category, the Redmi K90 leads (69/100 vs 0/100). In the "camera" category, the Redmi K90 leads (53/100 vs 24/100). In the "battery" category, the Redmi K90 leads (71/100 vs 39/100). 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 A77s (69/100 vs 0/100). In the "display" category, the Redmi K90 significantly outperforms the Oppo A77s (100/100 vs 50/100). In the "camera" category, the Redmi K90 notably outperforms the Oppo A77s (53/100 vs 24/100). In the "battery" category, the Redmi K90 significantly outperforms the Oppo A77s (71/100 vs 39/100). In the "design" category, the Oppo A77s notably outperforms the Redmi K90 (66/100 vs 42/100). In the "value for money" category, the Redmi K90 notably outperforms the Oppo A77s (82/100 vs 55/100).
| Specification | Oppo A77s | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 680 4G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 421228 | 3088357 | |
| Geekbench Single | 412 | 3050 | |
| Geekbench Multi | 1410 | 9300 | |
| Display | 6.6" IPS LCD | 6.6" AMOLED | |
| Resolution | 720x1612 | 2510x1156 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 5000 mAh | 7100 mAh | |
| Charging | 33W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB | |
| OS | Android 12, ColorOS 12.1 | Android 16 | |
| Brightness (peak) | 600 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 163.8×75.0×8.0 mm | 157.5×75.3×8.0 mm | |
| Weight | 187 g | 206 g | |
| Price | — | $401 |
Oppo A77s
- Main: 50MP f/f/1.8
- Front: 8MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Oppo A77s
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Oppo A77s
- 5000 mAh
- Wired: 33W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared Oppo A77s and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Oppo A77s by 86.4% in our overall performance rating.
Oppo A77s
Price unknownperformance
In the "performance" category, the Redmi K90 significantly outperforms the Oppo A77s (69/100 vs 0/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Oppo A77s (100/100 vs 50/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Oppo A77s (53/100 vs 24/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Oppo A77s (71/100 vs 39/100).
design
In the "design" category, the Oppo A77s notably outperforms the Redmi K90 (66/100 vs 42/100).
value for money
In the "value for money" category, the Redmi K90 notably outperforms the Oppo A77s (82/100 vs 55/100).
Which is better: the Oppo A77s or the Redmi K90?
The Redmi K90 significantly outperforms the Oppo A77s by 45 points (68/100 vs 23/100).
What is the rating of the Oppo A77s and the Redmi K90?
The Oppo A77s has a MobileRank rating of 23/100, the Redmi K90 — 68/100.
Which has the better camera: the Oppo A77s or the Redmi K90?
The Redmi K90 leads on camera score (53/100 vs 24/100).
Which is more powerful: the Oppo A77s or the Redmi K90?
The Redmi K90 leads on performance (69/100 vs 0/100).
Should you choose the Oppo A77s over the Redmi K90?
The Oppo A77s is a better fit for everyday use. The Redmi K90 is a better fit for active users, budget-conscious buyers.