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.
Profile comparison
Category scores
OPPO A6c
Redmi K90 Ultra
What makes OPPO A6c better?
- Lighter: 215g vs 227g
- Cheaper at launch: $90 vs $420
- Overall rating 34/100
What makes Redmi K90 Ultra better?
- Better Geekbench Single: 3013 vs 600
- Better Geekbench Multi: 9287 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)
Comparison verdict
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 — 60/100, Redmi K90 Ultra — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. 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.
Specs comparison
| Specification | OPPO A6c | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Unisoc T7250 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | — | 3233695 | |
| Geekbench Single | 600 | 3013 | |
| Geekbench Multi | 1800 | 9287 | |
| 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 |
Camera comparison
OPPO A6c
- Main: 13MP f/2.2
- Front: 5MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OPPO A6c
- 6.8" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
OPPO A6c
- 7000 mAh
- Wired: 15W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Benchmarks
Launch prices and where to check today's
Launch price difference: $330. OPPO A6c was $330 cheaper at launch.
Detailed category analysis
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.
Frequently asked questions
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 Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.