OnePlus Ace 6 Ultra vs Vivo iQOO 15 Ultra
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $555 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 74/100 (a 15-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 7400); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 3,429,868).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Vivo iQOO 15 Ultra
What makes OnePlus Ace 6 Ultra better?
- Bigger battery: 8600 vs 7400 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Lighter: 217g vs 227g
- Cheaper at launch: $555 vs $799
- Better portability (43/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 3429868
- Better Geekbench Single: 3639 vs 3293
- Better Geekbench Multi: 11047 vs 10243
- Higher performance (99/100 vs 94/100)
- Better camera (78/100 vs 35/100)
- Longer battery life (92/100 vs 82/100)
- Better display (99/100 vs 94/100)
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 15 points higher (89/100 vs 74/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 35/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 82/100). Value score: OnePlus Ace 6 Ultra — 66/100, Vivo iQOO 15 Ultra — 92/100; 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 Vivo iQOO 15 Ultra is a bit better (99/100 vs 94/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 94/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the OnePlus Ace 6 Ultra (78/100 vs 35/100). In the "battery" category, the Vivo iQOO 15 Ultra is a bit better (92/100 vs 82/100). In the "portability" category, the OnePlus Ace 6 Ultra is a bit better (43/100 vs 35/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3429868 | 4602290 | |
| Geekbench Single | 3293 | 3639 | |
| Geekbench Multi | 10243 | 11047 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1272x2772 | 1440x3168 | |
| Refresh rate | 165 Hz | 144 Hz | |
| Battery | 8600 mAh | 7400 mAh | |
| Charging | 120W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB / 24GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1800 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 162.5×77.5×8.5 mm | 163.7×76.8×8.7 mm | |
| Weight | 217 g | 227 g | |
| Launch price | $555 | $799 |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared OnePlus Ace 6 Ultra and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads OnePlus Ace 6 Ultra by 25.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $244. OnePlus Ace 6 Ultra was $244 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 94/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 94/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the OnePlus Ace 6 Ultra (78/100 vs 35/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra is a bit better (92/100 vs 82/100).
portability
In the "portability" category, the OnePlus Ace 6 Ultra is a bit better (43/100 vs 35/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is noticeably better than the OnePlus Ace 6 Ultra — the overall rating gap is 15 points.
What is the rating of the OnePlus Ace 6 Ultra and the Vivo iQOO 15 Ultra?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 35/100).
Which is more powerful: the OnePlus Ace 6 Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 94/100).
Should you choose the OnePlus Ace 6 Ultra over the Vivo iQOO 15 Ultra?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.