Oppo A78 4G vs Redmi K90 Max
The Oppo A78 4G (2023) runs on the Qualcomm Snapdragon 680 4G, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Redmi K90 Max leads — 75/100 vs 42/100 (a 33-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5000); the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 424,216); the Oppo A78 4G is noticeably lighter (180g vs 227g).
Profile comparison
Category scores
Oppo A78 4G
Redmi K90 Max
What makes Oppo A78 4G better?
- Lighter: 180g vs 227g
- Better portability (72/100 vs 41/100)
What makes Redmi K90 Max better?
- Higher AnTuTu: 3760662 vs 424216
- Better Geekbench Single: 3293 vs 412
- Better Geekbench Multi: 10243 vs 1423
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (96/100 vs 31/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (78/100 vs 53/100)
- Better display (94/100 vs 69/100)
Comparison verdict
Comparing the Oppo A78 4G vs the Redmi K90 Max, the Redmi K90 Max scores 33 points higher (75/100 vs 42/100). In the "performance" category, the Redmi K90 Max leads (96/100 vs 31/100). 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 A78 4G (96/100 vs 31/100). In the "display" category, the Redmi K90 Max notably outperforms the Oppo A78 4G (94/100 vs 69/100). In the "camera" category, the Redmi K90 Max is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K90 Max notably outperforms the Oppo A78 4G (78/100 vs 53/100). In the "portability" category, the Oppo A78 4G significantly outperforms the Redmi K90 Max (72/100 vs 41/100).
Specs comparison
| Specification | Oppo A78 4G | Redmi K90 Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 680 4G | MediaTek Dimensity 9500 | |
| AnTuTu | 424216 | 3760662 | |
| Geekbench Single | 412 | 3293 | |
| Geekbench Multi | 1423 | 10243 | |
| Display | 6.4" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 2772x1280 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 67W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 13, ColorOS 13.1 | Android 16 | |
| Brightness (peak) | 430 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP66 | |
| Dimensions | 160.0×73.2×7.9 mm | 162.9×77.9×8.1 mm | |
| Weight | 180 g | 227 g | |
| Launch price | — | $504 |
Camera comparison
Oppo A78 4G
- Main: 50MP f/1.8
- Front: 8MP
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Oppo A78 4G
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Battery and charging
Oppo A78 4G
- 5000 mAh
- Wired: 67W
- No wireless charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Oppo A78 4G and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Oppo A78 4G by 88.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A78 4G
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Max significantly outperforms the Oppo A78 4G (96/100 vs 31/100).
display
In the "display" category, the Redmi K90 Max notably outperforms the Oppo A78 4G (94/100 vs 69/100).
camera
In the "camera" category, the Redmi K90 Max is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Max notably outperforms the Oppo A78 4G (78/100 vs 53/100).
portability
In the "portability" category, the Oppo A78 4G significantly outperforms the Redmi K90 Max (72/100 vs 41/100).
Frequently asked questions
Which is better: the Oppo A78 4G or the Redmi K90 Max?
The Redmi K90 Max significantly outperforms the Oppo A78 4G by 33 points (75/100 vs 42/100).
What is the rating of the Oppo A78 4G and the Redmi K90 Max?
The Oppo A78 4G has a MobileRank rating of 42/100, the Redmi K90 Max — 75/100.
Which has the better camera: the Oppo A78 4G or the Redmi K90 Max?
The Redmi K90 Max leads on camera score (37/100 vs 30/100).
Which is more powerful: the Oppo A78 4G or the Redmi K90 Max?
The Redmi K90 Max leads on performance (96/100 vs 31/100).
Should you choose the Oppo A78 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.