OnePlus Ace 7 vs Samsung Galaxy A51
The OnePlus Ace 7 (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Samsung Galaxy A51 (2020) runs on the Exynos 9611. By overall MobileRank rating, the OnePlus Ace 7 leads — 72/100 vs 18/100 (a 54-point difference). Key differences: the OnePlus Ace 7 has the bigger battery (9000 mAh vs 4000); the main camera is 50 MP vs 48 MP; the OnePlus Ace 7 is faster in AnTuTu (3,942,923 vs 355,351).
OnePlus Ace 7
Samsung Galaxy A51
- Higher AnTuTu: 3942923 vs 355351
- Better Geekbench Single: 3640 vs 365
- Better Geekbench Multi: 11033 vs 1107
- Bigger battery: 9000 vs 4000 mAh
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 185Hz vs 60Hz
- Higher performance (92/100 vs 0/100)
- Longer battery life (80/100 vs 12/100)
- Better display (100/100 vs 0/100)
- Better camera (32/100 vs 31/100)
- Better design/ergonomics (85/100 vs 50/100)
- Better value for money (82/100 vs 55/100)
Comparing the OnePlus Ace 7 vs the Samsung Galaxy A51, the OnePlus Ace 7 scores 54 points higher (72/100 vs 18/100). In the "performance" category, the OnePlus Ace 7 leads (92/100 vs 0/100). In the "battery" category, the OnePlus Ace 7 leads (80/100 vs 12/100). In the "value for money" category, the Samsung Galaxy A51 leads (82/100 vs 55/100). In the "performance" category, the OnePlus Ace 7 significantly outperforms the Samsung Galaxy A51 (92/100 vs 0/100). In the "display" category, the OnePlus Ace 7 significantly outperforms the Samsung Galaxy A51 (100/100 vs 0/100). In the "camera" category, the Samsung Galaxy A51 and the OnePlus Ace 7 are nearly equal (32/100 vs 31/100). In the "battery" category, the OnePlus Ace 7 significantly outperforms the Samsung Galaxy A51 (80/100 vs 12/100). In the "design" category, the Samsung Galaxy A51 significantly outperforms the OnePlus Ace 7 (85/100 vs 50/100). In the "value for money" category, the Samsung Galaxy A51 notably outperforms the OnePlus Ace 7 (82/100 vs 55/100).
| Specification | OnePlus Ace 7 | Samsung Galaxy A51 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Exynos 9611 | |
| AnTuTu | 3942923 | 355351 | |
| Geekbench Single | 3640 | 365 | |
| Geekbench Multi | 11033 | 1107 | |
| Display | 6.8" AMOLED | 6.5" AMOLED | |
| Resolution | 1272x2800 | — | |
| Refresh rate | 185 Hz | 60 Hz | |
| Battery | 9000 mAh | 4000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB | |
| OS | Android 16, ColorOS 16 | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | — | 158.5×73.6×7.9 mm | |
| Weight | — | 172 g | |
| Price | — | $399 |
OnePlus Ace 7
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Samsung Galaxy A51
- Main: 48MP
- Front: 32MP
OnePlus Ace 7
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 185 Hz
Samsung Galaxy A51
- 6.5" AMOLED
- Refresh rate: 60 Hz
OnePlus Ace 7
- 9000 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A51
- 4000 mAh
- No wireless charging
We compared OnePlus Ace 7 and Samsung Galaxy A51, covering their specs and all relevant benchmarks.
OnePlus Ace 7 leads Samsung Galaxy A51 by 1009.6% in our overall performance rating.
OnePlus Ace 7
Price unknownperformance
In the "performance" category, the OnePlus Ace 7 significantly outperforms the Samsung Galaxy A51 (92/100 vs 0/100).
display
In the "display" category, the OnePlus Ace 7 significantly outperforms the Samsung Galaxy A51 (100/100 vs 0/100).
camera
In the "camera" category, the Samsung Galaxy A51 and the OnePlus Ace 7 are nearly equal (32/100 vs 31/100).
battery
In the "battery" category, the OnePlus Ace 7 significantly outperforms the Samsung Galaxy A51 (80/100 vs 12/100).
design
In the "design" category, the Samsung Galaxy A51 significantly outperforms the OnePlus Ace 7 (85/100 vs 50/100).
value for money
In the "value for money" category, the Samsung Galaxy A51 notably outperforms the OnePlus Ace 7 (82/100 vs 55/100).
Which is better: the OnePlus Ace 7 or the Samsung Galaxy A51?
The OnePlus Ace 7 significantly outperforms the Samsung Galaxy A51 by 54 points (72/100 vs 18/100).
What is the rating of the OnePlus Ace 7 and the Samsung Galaxy A51?
The OnePlus Ace 7 has a MobileRank rating of 72/100, the Samsung Galaxy A51 — 18/100.
Which is more powerful: the OnePlus Ace 7 or the Samsung Galaxy A51?
The OnePlus Ace 7 leads on performance (92/100 vs 0/100).
Should you choose the OnePlus Ace 7 over the Samsung Galaxy A51?
The OnePlus Ace 7 is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy A51 is a better fit for budget-conscious buyers.