OnePlus Ace 6T vs Samsung Galaxy A51
The OnePlus Ace 6T (2025) runs on the Qualcomm Snapdragon 8 Gen 5, while the Samsung Galaxy A51 (2020) runs on the Exynos 9611; launch prices were $320 and $399. By overall MobileRank rating, the OnePlus Ace 6T leads — 72/100 vs 34/100 (a 38-point difference). Key differences: the OnePlus Ace 6T has the bigger battery (8300 mAh vs 4000); the main camera is 50 MP vs 48 MP; the OnePlus Ace 6T is faster in AnTuTu (2,810,314 vs 355,351); the Samsung Galaxy A51 is noticeably lighter (172g vs 211g).
OnePlus Ace 6T
Samsung Galaxy A51
- Higher AnTuTu: 2810314 vs 355351
- Better Geekbench Single: 2903 vs 365
- Better Geekbench Multi: 9602 vs 1107
- Bigger battery: 8300 vs 4000 mAh
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 60Hz
- Cheaper at launch: $320 vs $399
- Higher performance (90/100 vs 25/100)
- Longer battery life (77/100 vs 25/100)
- Better display (94/100 vs 51/100)
- Lighter: 172g vs 211g
- Better camera (36/100 vs 35/100)
- Better portability (77/100 vs 51/100)
Comparing the OnePlus Ace 6T vs the Samsung Galaxy A51, the OnePlus Ace 6T scores 38 points higher (72/100 vs 34/100). In the "performance" category, the OnePlus Ace 6T leads (90/100 vs 25/100). In the "battery" category, the OnePlus Ace 6T leads (77/100 vs 25/100). Value score: OnePlus Ace 6T — 86/100, Samsung Galaxy A51 — 6/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the OnePlus Ace 6T significantly outperforms the Samsung Galaxy A51 (90/100 vs 25/100). In the "display" category, the OnePlus Ace 6T significantly outperforms the Samsung Galaxy A51 (94/100 vs 51/100). In the "camera" category, the Samsung Galaxy A51 and the OnePlus Ace 6T are nearly equal (36/100 vs 35/100). In the "battery" category, the OnePlus Ace 6T significantly outperforms the Samsung Galaxy A51 (77/100 vs 25/100). In the "portability" category, the Samsung Galaxy A51 notably outperforms the OnePlus Ace 6T (77/100 vs 51/100).
| Specification | OnePlus Ace 6T | Samsung Galaxy A51 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 5 | Exynos 9611 | |
| AnTuTu | 2810314 | 355351 | |
| Geekbench Single | 2903 | 365 | |
| Geekbench Multi | 9602 | 1107 | |
| Display | 6.8" AMOLED | 6.5" AMOLED | |
| Resolution | 1272x2800 | — | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 8300 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 | — | |
| Brightness (peak) | 3600 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.4×77.0×8.1 mm | 158.5×73.6×7.9 mm | |
| Weight | 211 g | 172 g | |
| Launch price | $320 | $399 |
OnePlus Ace 6T
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Samsung Galaxy A51
- Main: 48MP
- Front: 32MP
OnePlus Ace 6T
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 165 Hz
Samsung Galaxy A51
- 6.5" AMOLED
- Refresh rate: 60 Hz
OnePlus Ace 6T
- 8300 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A51
- 4000 mAh
- No wireless charging
We compared OnePlus Ace 6T and Samsung Galaxy A51, covering their specs and all relevant benchmarks.
OnePlus Ace 6T leads Samsung Galaxy A51 by 690.9% in our overall performance rating.
Launch price difference: $79. OnePlus Ace 6T was $79 cheaper at launch.
performance
In the "performance" category, the OnePlus Ace 6T significantly outperforms the Samsung Galaxy A51 (90/100 vs 25/100).
display
In the "display" category, the OnePlus Ace 6T significantly outperforms the Samsung Galaxy A51 (94/100 vs 51/100).
camera
In the "camera" category, the Samsung Galaxy A51 and the OnePlus Ace 6T are nearly equal (36/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6T significantly outperforms the Samsung Galaxy A51 (77/100 vs 25/100).
portability
In the "portability" category, the Samsung Galaxy A51 notably outperforms the OnePlus Ace 6T (77/100 vs 51/100).
Which is better: the OnePlus Ace 6T or the Samsung Galaxy A51?
The OnePlus Ace 6T significantly outperforms the Samsung Galaxy A51 by 38 points (72/100 vs 34/100).
What is the rating of the OnePlus Ace 6T and the Samsung Galaxy A51?
The OnePlus Ace 6T has a MobileRank rating of 72/100, the Samsung Galaxy A51 — 34/100.
Which is more powerful: the OnePlus Ace 6T or the Samsung Galaxy A51?
The OnePlus Ace 6T leads on performance (90/100 vs 25/100).
Should you choose the OnePlus Ace 6T over the Samsung Galaxy A51?
The OnePlus Ace 6T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Samsung Galaxy A51 is a better fit for everyday use.