OnePlus Ace 6 Ultra vs Samsung Galaxy A55
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Samsung Galaxy A55 (2024) runs on the Samsung Exynos 1480; launch prices were $555 and $449. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 55/100 (a 19-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 5000); the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 1,031,048).
OnePlus Ace 6 Ultra
Samsung Galaxy A55
- Higher AnTuTu: 3429868 vs 1031048
- Better Geekbench Single: 3228 vs 1050
- Better Geekbench Multi: 9553 vs 3200
- Bigger battery: 8600 vs 5000 mAh
- Faster charging: 120W vs 25W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (93/100 vs 58/100)
- Longer battery life (82/100 vs 44/100)
- Better display (94/100 vs 79/100)
- Lighter: 213g vs 217g
- Cheaper at launch: $449 vs $555
- Better camera (48/100 vs 35/100)
- Better portability (49/100 vs 43/100)
Comparing the OnePlus Ace 6 Ultra vs the Samsung Galaxy A55, the OnePlus Ace 6 Ultra scores 19 points higher (74/100 vs 55/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (93/100 vs 58/100). In the "camera" category, the Samsung Galaxy A55 leads (48/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 44/100). Value score: OnePlus Ace 6 Ultra — 66/100, Samsung Galaxy A55 — 42/100; 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 6 Ultra significantly outperforms the Samsung Galaxy A55 (93/100 vs 58/100). In the "display" category, the OnePlus Ace 6 Ultra notably outperforms the Samsung Galaxy A55 (94/100 vs 79/100). In the "camera" category, the Samsung Galaxy A55 is a bit better (48/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy A55 (82/100 vs 44/100). In the "portability" category, the Samsung Galaxy A55 is a bit better (49/100 vs 43/100).
| Specification | OnePlus Ace 6 Ultra | Samsung Galaxy A55 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Samsung Exynos 1480 | |
| AnTuTu | 3429868 | 1031048 | |
| Geekbench Single | 3228 | 1050 | |
| Geekbench Multi | 9553 | 3200 | |
| Display | 6.8" AMOLED | 6.6" Super AMOLED | |
| Resolution | 1272x2772 | 2340x1080 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 5000 mAh | |
| Charging | 120W | 25W | |
| DXOMark (camera) | — | 108 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Front camera | 16 MP | 13 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 14 / One UI 6.1 | |
| Brightness (peak) | 1800 nits | 1000 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP67 | |
| Dimensions | 162.5×77.5×8.5 mm | 161.1×77.4×8.2 mm | |
| Weight | 217 g | 213 g | |
| Launch price | $555 | $449 |
OnePlus Ace 6 Ultra
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Samsung Galaxy A55
- Main: 50MP f/f/1.8
- Ultrawide: 12MP
- Front: 13MP
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Samsung Galaxy A55
- 6.6" Super AMOLED
- Resolution: 2340x1080
- Refresh rate: 120 Hz
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Samsung Galaxy A55
- 5000 mAh
- Wired: 25W
- No wireless charging
We compared OnePlus Ace 6 Ultra and Samsung Galaxy A55, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Samsung Galaxy A55 by 232.7% in our overall performance rating.
Launch price difference: $106. Samsung Galaxy A55 was $106 cheaper at launch.
performance
In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy A55 (93/100 vs 58/100).
display
In the "display" category, the OnePlus Ace 6 Ultra notably outperforms the Samsung Galaxy A55 (94/100 vs 79/100).
camera
In the "camera" category, the Samsung Galaxy A55 is a bit better (48/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy A55 (82/100 vs 44/100).
portability
In the "portability" category, the Samsung Galaxy A55 is a bit better (49/100 vs 43/100).
Which is better: the OnePlus Ace 6 Ultra or the Samsung Galaxy A55?
The OnePlus Ace 6 Ultra is noticeably better than the Samsung Galaxy A55 — the overall rating gap is 19 points.
What is the rating of the OnePlus Ace 6 Ultra and the Samsung Galaxy A55?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Samsung Galaxy A55 — 55/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Samsung Galaxy A55?
The Samsung Galaxy A55 leads on camera score (48/100 vs 35/100).
Which is more powerful: the OnePlus Ace 6 Ultra or the Samsung Galaxy A55?
The OnePlus Ace 6 Ultra leads on performance (93/100 vs 58/100).
Should you choose the OnePlus Ace 6 Ultra over the Samsung Galaxy A55?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy A55 is a better fit for everyday use.