OnePlus Ace 6 Ultra vs Samsung Galaxy S25 Ultra
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $555 and $1299. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 79/100 vs 74/100 (a 5-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 5000); the main camera is 50 MP vs 200 MP; the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 2,780,751).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Samsung Galaxy S25 Ultra
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 2780751
- Better Geekbench Single: 3293 vs 3100
- Better Geekbench Multi: 10243 vs 9760
- Bigger battery: 8600 vs 5000 mAh
- Faster charging: 120W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 217g vs 218g
- Cheaper at launch: $555 vs $1299
- Higher performance (94/100 vs 91/100)
- Longer battery life (82/100 vs 56/100)
- Better display (94/100 vs 88/100)
What makes Samsung Galaxy S25 Ultra better?
- Better main camera: 200MP vs 50MP
- Better camera (81/100 vs 35/100)
- Better portability (46/100 vs 43/100)
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 5 points higher (79/100 vs 74/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 56/100). Value score: OnePlus Ace 6 Ultra — 66/100, Samsung Galaxy S25 Ultra — 68/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the OnePlus Ace 6 Ultra and the Samsung Galaxy S25 Ultra are nearly equal (94/100 vs 91/100). In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 88/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the OnePlus Ace 6 Ultra (81/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the Samsung Galaxy S25 Ultra (82/100 vs 56/100). In the "portability" category, the Samsung Galaxy S25 Ultra and the OnePlus Ace 6 Ultra are nearly equal (46/100 vs 43/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3429868 | 2780751 | |
| Geekbench Single | 3293 | 3100 | |
| Geekbench Multi | 10243 | 9760 | |
| Display | 6.8" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | 1272x2772 | 3120x1440 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 5000 mAh | |
| Charging | 120W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 12 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 / One UI 7 | |
| Brightness (peak) | 1800 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 162.5×77.5×8.5 mm | 162.8×77.6×8.2 mm | |
| Weight | 217 g | 218 g | |
| Launch price | $555 | $1299 |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Overall performance score
We compared OnePlus Ace 6 Ultra and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Samsung Galaxy S25 Ultra by 23.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $744. OnePlus Ace 6 Ultra was $744 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra and the Samsung Galaxy S25 Ultra are nearly equal (94/100 vs 91/100).
display
In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 88/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the OnePlus Ace 6 Ultra (81/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the Samsung Galaxy S25 Ultra (82/100 vs 56/100).
portability
In the "portability" category, the Samsung Galaxy S25 Ultra and the OnePlus Ace 6 Ultra are nearly equal (46/100 vs 43/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra edges out the OnePlus Ace 6 Ultra by just 5 points — the two devices are very close in overall level.
What is the rating of the OnePlus Ace 6 Ultra and the Samsung Galaxy S25 Ultra?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Samsung Galaxy S25 Ultra — 79/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 35/100).
Should you choose the OnePlus Ace 6 Ultra over the Samsung Galaxy S25 Ultra?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.