Oppo A18 vs Xiaomi 17 Ultra (China)
The Oppo A18 (2023) runs on the MediaTek Helio G85, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 34/100 (a 53-point difference). Key differences: the Xiaomi 17 Ultra (China) has the bigger battery (6800 mAh vs 5000); the main camera is 8 MP vs 50 MP; the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,950,082 vs 348,562); the Xiaomi 17 Ultra (China) has NFC for contactless payments, the Oppo A18 doesn't; the Oppo A18 is noticeably lighter (188g vs 224g).
Profile comparison
Category scores
Oppo A18
Xiaomi 17 Ultra (China)
What makes Oppo A18 better?
- Lighter: 188g vs 224g
- Better portability (64/100 vs 42/100)
What makes Xiaomi 17 Ultra (China) better?
- Higher AnTuTu: 3950082 vs 348562
- Better Geekbench Single: 3639 vs 419
- Better Geekbench Multi: 11047 vs 1461
- Bigger battery: 6800 vs 5000 mAh
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (98/100 vs 29/100)
- Better camera (87/100 vs 10/100)
- Longer battery life (83/100 vs 66/100)
- Better display (81/100 vs 44/100)
Comparison verdict
Comparing the Oppo A18 vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 53 points higher (87/100 vs 34/100). In the "performance" category, the Xiaomi 17 Ultra (China) leads (98/100 vs 29/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 10/100). In the "battery" category, the Xiaomi 17 Ultra (China) leads (83/100 vs 66/100). In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Oppo A18 (98/100 vs 29/100). In the "display" category, the Xiaomi 17 Ultra (China) significantly outperforms the Oppo A18 (81/100 vs 44/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Oppo A18 (87/100 vs 10/100). In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Oppo A18 (83/100 vs 66/100). In the "portability" category, the Oppo A18 notably outperforms the Xiaomi 17 Ultra (China) (64/100 vs 42/100).
Specs comparison
| Specification | Oppo A18 | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | MediaTek Helio G85 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 348562 | 3950082 | |
| Geekbench Single | 419 | 3639 | |
| Geekbench Multi | 1461 | 11047 | |
| Display | 6.6" IPS LCD | 6.9" LTPO AMOLED | |
| Resolution | 720x1612 | 1200x2608 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 5000 mAh | 6800 mAh | |
| Charging | — | 90W | |
| Wireless charging | — | 50W | |
| Main camera | 8 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 5 MP | 50 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 512GB / 1TB | |
| OS | Android 13, upgradable to Android 14, ColorOS 14 | Android 16 | |
| Brightness (peak) | 720 nits | — | |
| NFC | no | yes | |
| Protection | IP54 | IP68/IP69 | |
| Dimensions | 163.7×75.0×8.2 mm | 162.9×77.6×8.3 mm | |
| Weight | 188 g | 224 g | |
| Launch price | — | $892 |
Camera comparison
Oppo A18
- Main: 8MP f/2.0
- Front: 5MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Oppo A18
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Battery and charging
Oppo A18
- 5000 mAh
- Wireless charging: no data
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Oppo A18 and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads Oppo A18 by 91.2% 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 Xiaomi 17 Ultra (China) significantly outperforms the Oppo A18 (98/100 vs 29/100).
display
In the "display" category, the Xiaomi 17 Ultra (China) significantly outperforms the Oppo A18 (81/100 vs 44/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Oppo A18 (87/100 vs 10/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Oppo A18 (83/100 vs 66/100).
portability
In the "portability" category, the Oppo A18 notably outperforms the Xiaomi 17 Ultra (China) (64/100 vs 42/100).
Frequently asked questions
Which is better: the Oppo A18 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) significantly outperforms the Oppo A18 by 53 points (87/100 vs 34/100).
What is the rating of the Oppo A18 and the Xiaomi 17 Ultra (China)?
The Oppo A18 has a MobileRank rating of 34/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the Oppo A18 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 10/100).
Which is more powerful: the Oppo A18 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 29/100).
Should you choose the Oppo A18 over the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.