Oppo A18 vs Redmi K90 Max
The Oppo A18 (2023) runs on the MediaTek Helio G85, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Redmi K90 Max leads — 75/100 vs 34/100 (a 41-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5000); the main camera is 8 MP vs 50 MP; the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 348,562); the Redmi K90 Max has NFC for contactless payments, the Oppo A18 doesn't; the Oppo A18 is noticeably lighter (188g vs 227g).
Profile comparison
Category scores
Oppo A18
Redmi K90 Max
What makes Oppo A18 better?
- Lighter: 188g vs 227g
- Better portability (64/100 vs 41/100)
What makes Redmi K90 Max better?
- Higher AnTuTu: 3760662 vs 348562
- Better Geekbench Single: 3293 vs 419
- Better Geekbench Multi: 10243 vs 1461
- Bigger battery: 8550 vs 5000 mAh
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (96/100 vs 29/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 44/100)
Comparison verdict
Comparing the Oppo A18 vs the Redmi K90 Max, the Redmi K90 Max scores 41 points higher (75/100 vs 34/100). In the "performance" category, the Redmi K90 Max leads (96/100 vs 29/100). 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 66/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Oppo A18 (96/100 vs 29/100). In the "display" category, the Redmi K90 Max significantly outperforms the Oppo A18 (94/100 vs 44/100). In the "camera" category, the Redmi K90 Max notably outperforms the Oppo A18 (37/100 vs 10/100). In the "battery" category, the Redmi K90 Max is a bit better (78/100 vs 66/100). In the "portability" category, the Oppo A18 notably outperforms the Redmi K90 Max (64/100 vs 41/100).
Specs comparison
| Specification | Oppo A18 | Redmi K90 Max | |
|---|---|---|---|
| Processor | MediaTek Helio G85 | MediaTek Dimensity 9500 | |
| AnTuTu | 348562 | 3760662 | |
| Geekbench Single | 419 | 3293 | |
| Geekbench Multi | 1461 | 10243 | |
| Display | 6.6" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1612 | 2772x1280 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | — | 100W | |
| Main camera | 8 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 13, upgradable to Android 14, ColorOS 14 | Android 16 | |
| Brightness (peak) | 720 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP54 | IP66 | |
| Dimensions | 163.7×75.0×8.2 mm | 162.9×77.9×8.1 mm | |
| Weight | 188 g | 227 g | |
| Launch price | — | $504 |
Camera comparison
Oppo A18
- Main: 8MP f/2.0
- Front: 5MP
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Oppo A18
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Battery and charging
Oppo A18
- 5000 mAh
- Wireless charging: no data
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Oppo A18 and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Oppo A18 by 90.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A18
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Max significantly outperforms the Oppo A18 (96/100 vs 29/100).
display
In the "display" category, the Redmi K90 Max significantly outperforms the Oppo A18 (94/100 vs 44/100).
camera
In the "camera" category, the Redmi K90 Max notably outperforms the Oppo A18 (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Max is a bit better (78/100 vs 66/100).
portability
In the "portability" category, the Oppo A18 notably outperforms the Redmi K90 Max (64/100 vs 41/100).
Frequently asked questions
Which is better: the Oppo A18 or the Redmi K90 Max?
The Redmi K90 Max significantly outperforms the Oppo A18 by 41 points (75/100 vs 34/100).
What is the rating of the Oppo A18 and the Redmi K90 Max?
The Oppo A18 has a MobileRank rating of 34/100, the Redmi K90 Max — 75/100.
Which has the better camera: the Oppo A18 or the Redmi K90 Max?
The Redmi K90 Max leads on camera score (37/100 vs 10/100).
Which is more powerful: the Oppo A18 or the Redmi K90 Max?
The Redmi K90 Max leads on performance (96/100 vs 29/100).
Should you choose the Oppo A18 over the Redmi K90 Max?
The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.