OPPO A6c vs Redmi K90 Ultra
The OPPO A6c (2026) runs on the Unisoc T7250, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $90 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 34/100 (a 39-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7000); the main camera is 13 MP vs 50 MP; the Redmi K90 Ultra has NFC for contactless payments, the OPPO A6c doesn't.
OPPO A6c
Redmi K90 Ultra
- Lighter: 215g vs 227g
- Cheaper at launch: $90 vs $420
- Overall rating 34/100
- Better Geekbench Single: 3041 vs 600
- Better Geekbench Multi: 9494 vs 1800
- Bigger battery: 8550 vs 7000 mAh
- Faster charging: 100W vs 15W
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 32/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 55/100)
- Better display (94/100 vs 55/100)
Comparing the OPPO A6c vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 39 points higher (73/100 vs 34/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 32/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 55/100). Value score: OPPO A6c — 52/100, Redmi K90 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra significantly outperforms the OPPO A6c (92/100 vs 32/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the OPPO A6c (94/100 vs 55/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the OPPO A6c (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the OPPO A6c (78/100 vs 55/100). In the "portability" category, both devices are on the same level — 40/100.
| Specification | OPPO A6c | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Unisoc T7250 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | — | 3119308 | |
| Geekbench Single | 600 | 3041 | |
| Geekbench Multi | 1800 | 9494 | |
| Display | 6.8" IPS LCD | 6.8" AMOLED | |
| Resolution | 1600x720 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 7000 mAh | 8550 mAh | |
| Charging | 15W | 100W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 700 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP64 | IP68/IP69 | |
| Dimensions | 166.5×78.5×8.9 mm | 162.9×77.9×8.2 mm | |
| Weight | 215 g | 227 g | |
| Launch price | $90 | $420 |
OPPO A6c
- Main: 13MP f/f/2.2
- Front: 5MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
OPPO A6c
- 6.8" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
OPPO A6c
- 7000 mAh
- Wired: 15W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Launch price difference: $330. OPPO A6c was $330 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the OPPO A6c (92/100 vs 32/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the OPPO A6c (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the OPPO A6c (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the OPPO A6c (78/100 vs 55/100).
portability
In the "portability" category, both devices are on the same level — 40/100.
Which is better: the OPPO A6c or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the OPPO A6c by 39 points (73/100 vs 34/100).
What is the rating of the OPPO A6c and the Redmi K90 Ultra?
The OPPO A6c has a MobileRank rating of 34/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the OPPO A6c or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the OPPO A6c or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 32/100).
Should you choose the OPPO A6c over the Redmi K90 Ultra?
The OPPO A6c is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.