Oppo A18 vs Redmi K80 Ultra
The Oppo A18 (2023) runs on the MediaTek Helio G85, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 34/100 (a 39-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5000); the main camera is 8 MP vs 50 MP; the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 348,562); the Redmi K80 Ultra has NFC for contactless payments, the Oppo A18 doesn't; the Oppo A18 is noticeably lighter (188g vs 219g).
Profile comparison
Category scores
Oppo A18
Redmi K80 Ultra
What makes Oppo A18 better?
- Lighter: 188g vs 219g
- Better portability (64/100 vs 40/100)
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 vs 348562
- Better Geekbench Single: 2729 vs 419
- Better Geekbench Multi: 8430 vs 1461
- Bigger battery: 7410 vs 5000 mAh
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (89/100 vs 29/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (86/100 vs 66/100)
- Better display (94/100 vs 44/100)
Comparison verdict
Comparing the Oppo A18 vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 39 points higher (73/100 vs 34/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 29/100). In the "camera" category, the Redmi K80 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 66/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Oppo A18 (89/100 vs 29/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Oppo A18 (94/100 vs 44/100). In the "camera" category, the Redmi K80 Ultra notably outperforms the Oppo A18 (37/100 vs 10/100). In the "battery" category, the Redmi K80 Ultra notably outperforms the Oppo A18 (86/100 vs 66/100). In the "portability" category, the Oppo A18 notably outperforms the Redmi K80 Ultra (64/100 vs 40/100).
Specs comparison
| Specification | Oppo A18 | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G85 | MediaTek Dimensity 9400+ | |
| AnTuTu | 348562 | 2874956 | |
| Geekbench Single | 419 | 2729 | |
| Geekbench Multi | 1461 | 8430 | |
| Display | 6.6" IPS LCD | 6.8" OLED | |
| Resolution | 720x1612 | 1280x2772 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 5000 mAh | 7410 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 15 | |
| Brightness (peak) | 720 nits | 3200 nits | |
| NFC | no | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 163.7×75.0×8.2 mm | — | |
| Weight | 188 g | 219 g | |
| Launch price | — | $350 |
Camera comparison
Oppo A18
- Main: 8MP f/2.0
- Front: 5MP
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Oppo A18
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Battery and charging
Oppo A18
- 5000 mAh
- Wireless charging: no data
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Overall performance score
We compared Oppo A18 and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Oppo A18 by 87.9% 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 K80 Ultra significantly outperforms the Oppo A18 (89/100 vs 29/100).
display
In the "display" category, the Redmi K80 Ultra significantly outperforms the Oppo A18 (94/100 vs 44/100).
camera
In the "camera" category, the Redmi K80 Ultra notably outperforms the Oppo A18 (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K80 Ultra notably outperforms the Oppo A18 (86/100 vs 66/100).
portability
In the "portability" category, the Oppo A18 notably outperforms the Redmi K80 Ultra (64/100 vs 40/100).
Frequently asked questions
Which is better: the Oppo A18 or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Oppo A18 by 39 points (73/100 vs 34/100).
What is the rating of the Oppo A18 and the Redmi K80 Ultra?
The Oppo A18 has a MobileRank rating of 34/100, the Redmi K80 Ultra — 73/100.
Which has the better camera: the Oppo A18 or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Oppo A18 or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (89/100 vs 29/100).
Should you choose the Oppo A18 over the Redmi K80 Ultra?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.