Oppo A6x 4G vs Redmi K90 Max
The Oppo A6x 4G (2025) runs on the Qualcomm Snapdragon 685, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Redmi K90 Max leads — 75/100 vs 35/100 (a 40-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 6500); the main camera is 13 MP vs 50 MP; the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 476,175); the Redmi K90 Max has NFC for contactless payments, the Oppo A6x 4G doesn't; the Oppo A6x 4G is noticeably lighter (210g vs 227g).
Profile comparison
Category scores
Oppo A6x 4G
Redmi K90 Max
What makes Oppo A6x 4G better?
- Lighter: 210g vs 227g
- Better portability (47/100 vs 41/100)
What makes Redmi K90 Max better?
- Higher AnTuTu: 3760662 vs 476175
- Better Geekbench Single: 3293 vs 466
- Better Geekbench Multi: 10243 vs 1396
- Bigger battery: 8550 vs 6500 mAh
- Faster charging: 100W vs 5W
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (96/100 vs 34/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 53/100)
- Better display (94/100 vs 55/100)
Comparison verdict
Comparing the Oppo A6x 4G vs the Redmi K90 Max, the Redmi K90 Max scores 40 points higher (75/100 vs 35/100). In the "performance" category, the Redmi K90 Max leads (96/100 vs 34/100). In the "camera" category, the Redmi K90 Max leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 53/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Oppo A6x 4G (96/100 vs 34/100). In the "display" category, the Redmi K90 Max significantly outperforms the Oppo A6x 4G (94/100 vs 55/100). In the "camera" category, the Redmi K90 Max notably outperforms the Oppo A6x 4G (37/100 vs 10/100). In the "battery" category, the Redmi K90 Max notably outperforms the Oppo A6x 4G (78/100 vs 53/100). In the "portability" category, the Oppo A6x 4G is a bit better (47/100 vs 41/100).
Specs comparison
| Specification | Oppo A6x 4G | Redmi K90 Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | MediaTek Dimensity 9500 | |
| AnTuTu | 476175 | 3760662 | |
| Geekbench Single | 466 | 3293 | |
| Geekbench Multi | 1396 | 10243 | |
| Display | 6.8" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1570 | 2772x1280 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 6500 mAh | 8550 mAh | |
| Charging | 5W | 100W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15, ColorOS 15 | Android 16 | |
| Brightness (peak) | 1125 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP64 | IP66 | |
| Dimensions | 166.6×78.5×8.6 mm | 162.9×77.9×8.1 mm | |
| Weight | 210 g | 227 g | |
| Launch price | — | $504 |
Camera comparison
Oppo A6x 4G
- Main: 13MP f/2.2
- Front: 5MP
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Oppo A6x 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Battery and charging
Oppo A6x 4G
- 6500 mAh
- Wired: 5W
- No wireless charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Oppo A6x 4G and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Oppo A6x 4G by 87.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A6x 4G
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Max significantly outperforms the Oppo A6x 4G (96/100 vs 34/100).
display
In the "display" category, the Redmi K90 Max significantly outperforms the Oppo A6x 4G (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 Max notably outperforms the Oppo A6x 4G (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Max notably outperforms the Oppo A6x 4G (78/100 vs 53/100).
portability
In the "portability" category, the Oppo A6x 4G is a bit better (47/100 vs 41/100).
Frequently asked questions
Which is better: the Oppo A6x 4G or the Redmi K90 Max?
The Redmi K90 Max significantly outperforms the Oppo A6x 4G by 40 points (75/100 vs 35/100).
What is the rating of the Oppo A6x 4G and the Redmi K90 Max?
The Oppo A6x 4G has a MobileRank rating of 35/100, the Redmi K90 Max — 75/100.
Which has the better camera: the Oppo A6x 4G or the Redmi K90 Max?
The Redmi K90 Max leads on camera score (37/100 vs 10/100).
Which is more powerful: the Oppo A6x 4G or the Redmi K90 Max?
The Redmi K90 Max leads on performance (96/100 vs 34/100).
Should you choose the Oppo A6x 4G over the Redmi K90 Max?
The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.