ASUS Zenfone 12 Ultra vs OnePlus Ace 6 Ultra
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500; launch prices were $999 and $555. By overall MobileRank rating, the ASUS Zenfone 12 Ultra leads — 75/100 vs 74/100 (a 1-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 5500); the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 3,247,013).
Profile comparison
Category scores
ASUS Zenfone 12 Ultra
OnePlus Ace 6 Ultra
What makes ASUS Zenfone 12 Ultra better?
- Better camera (56/100 vs 35/100)
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 3247013
- Better Geekbench Single: 3293 vs 3013
- Better Geekbench Multi: 10243 vs 9287
- Bigger battery: 8600 vs 5500 mAh
- Faster charging: 120W vs 65W
- Higher refresh rate: 165Hz vs 144Hz
- Lighter: 217g vs 220g
- Cheaper at launch: $555 vs $999
- Higher performance (94/100 vs 92/100)
- Longer battery life (82/100 vs 66/100)
- Better display (94/100 vs 89/100)
- Better portability (43/100 vs 38/100)
Comparison verdict
Comparing the ASUS Zenfone 12 Ultra vs the OnePlus Ace 6 Ultra, the ASUS Zenfone 12 Ultra scores 1 points higher (75/100 vs 74/100). In the "camera" category, the ASUS Zenfone 12 Ultra leads (56/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 66/100). Value score: ASUS Zenfone 12 Ultra — 60/100, OnePlus Ace 6 Ultra — 66/100; 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 ASUS Zenfone 12 Ultra are nearly equal (94/100 vs 92/100). In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 89/100). In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the OnePlus Ace 6 Ultra (56/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the ASUS Zenfone 12 Ultra (82/100 vs 66/100). In the "portability" category, the OnePlus Ace 6 Ultra is a bit better (43/100 vs 38/100).
Specs comparison
| Specification | ASUS Zenfone 12 Ultra | OnePlus Ace 6 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9500 | |
| AnTuTu | 3247013 | 3429868 | |
| Geekbench Single | 3013 | 3293 | |
| Geekbench Multi | 9287 | 10243 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 2400x1080 | 1272x2772 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 5500 mAh | 8600 mAh | |
| Charging | 65W | 120W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Telephoto | 32 MP | 0 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15 / ZenUI | Android 16 | |
| Brightness (peak) | 2500 nits | 1800 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP66 | |
| Dimensions | 163.8×77.0×8.9 mm | 162.5×77.5×8.5 mm | |
| Weight | 220 g | 217 g | |
| Launch price | $999 | $555 |
Camera comparison
ASUS Zenfone 12 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Battery and charging
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Overall performance score
We compared ASUS Zenfone 12 Ultra and OnePlus Ace 6 Ultra, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads ASUS Zenfone 12 Ultra by 5.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $444. OnePlus Ace 6 Ultra was $444 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra and the ASUS Zenfone 12 Ultra are nearly equal (94/100 vs 92/100).
display
In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the OnePlus Ace 6 Ultra (56/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the ASUS Zenfone 12 Ultra (82/100 vs 66/100).
portability
In the "portability" category, the OnePlus Ace 6 Ultra is a bit better (43/100 vs 38/100).
Frequently asked questions
Which is better: the ASUS Zenfone 12 Ultra or the OnePlus Ace 6 Ultra?
The ASUS Zenfone 12 Ultra edges out the OnePlus Ace 6 Ultra by just 1 points — the two devices are very close in overall level.
What is the rating of the ASUS Zenfone 12 Ultra and the OnePlus Ace 6 Ultra?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the OnePlus Ace 6 Ultra — 74/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the OnePlus Ace 6 Ultra?
The ASUS Zenfone 12 Ultra leads on camera score (56/100 vs 35/100).
Should you choose the ASUS Zenfone 12 Ultra over the OnePlus Ace 6 Ultra?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life.