ASUS ROG Phone 9 vs OnePlus Ace 6 Ultra
The ASUS ROG Phone 9 (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 OnePlus Ace 6 Ultra leads — 74/100 vs 71/100 (a 3-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 5800); the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 3,136,217).
Profile comparison
Category scores
ASUS ROG Phone 9
OnePlus Ace 6 Ultra
What makes ASUS ROG Phone 9 better?
- Higher refresh rate: 185Hz vs 165Hz
- Better camera (42/100 vs 35/100)
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 3136217
- Better Geekbench Single: 3293 vs 3100
- Better Geekbench Multi: 10243 vs 9900
- Bigger battery: 8600 vs 5800 mAh
- Faster charging: 120W vs 65W
- Lighter: 217g vs 227g
- Cheaper at launch: $555 vs $999
- Higher performance (94/100 vs 92/100)
- Longer battery life (82/100 vs 67/100)
- Better display (94/100 vs 89/100)
- Better portability (43/100 vs 33/100)
Comparison verdict
Comparing the ASUS ROG Phone 9 vs the OnePlus Ace 6 Ultra, the OnePlus Ace 6 Ultra scores 3 points higher (74/100 vs 71/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 67/100). Value score: ASUS ROG Phone 9 — 52/100, 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 ROG Phone 9 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 ROG Phone 9 is a bit better (42/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the ASUS ROG Phone 9 (82/100 vs 67/100). In the "portability" category, the OnePlus Ace 6 Ultra is a bit better (43/100 vs 33/100).
Specs comparison
| Specification | ASUS ROG Phone 9 | OnePlus Ace 6 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9500 | |
| AnTuTu | 3136217 | 3429868 | |
| Geekbench Single | 3100 | 3293 | |
| Geekbench Multi | 9900 | 10243 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 2400x1080 | 1272x2772 | |
| Refresh rate | 185 Hz | 165 Hz | |
| Battery | 5800 mAh | 8600 mAh | |
| Charging | 65W | 120W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 12GB / 16GB / 24GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15 / ROG UI | Android 16 | |
| Brightness (peak) | 2500 nits | 1800 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP66 | |
| Dimensions | 163.8×76.8×8.9 mm | 162.5×77.5×8.5 mm | |
| Weight | 227 g | 217 g | |
| Launch price | $999 | $555 |
Camera comparison
ASUS ROG Phone 9
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Front: 32MP
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
ASUS ROG Phone 9
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 185 Hz
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Battery and charging
ASUS ROG Phone 9
- 5800 mAh
- Wired: 65W
- Wireless: 15W
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Overall performance score
We compared ASUS ROG Phone 9 and OnePlus Ace 6 Ultra, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads ASUS ROG Phone 9 by 8.6% 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 ROG Phone 9 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 ROG Phone 9 is a bit better (42/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the ASUS ROG Phone 9 (82/100 vs 67/100).
portability
In the "portability" category, the OnePlus Ace 6 Ultra is a bit better (43/100 vs 33/100).
Frequently asked questions
Which is better: the ASUS ROG Phone 9 or the OnePlus Ace 6 Ultra?
The OnePlus Ace 6 Ultra edges out the ASUS ROG Phone 9 by just 3 points — the two devices are very close in overall level.
What is the rating of the ASUS ROG Phone 9 and the OnePlus Ace 6 Ultra?
The ASUS ROG Phone 9 has a MobileRank rating of 71/100, the OnePlus Ace 6 Ultra — 74/100.
Which has the better camera: the ASUS ROG Phone 9 or the OnePlus Ace 6 Ultra?
The ASUS ROG Phone 9 leads on camera score (42/100 vs 35/100).
Should you choose the ASUS ROG Phone 9 over the OnePlus Ace 6 Ultra?
The ASUS ROG Phone 9 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.