OnePlus Ace 6 Ultra vs OPPO K15 Pro+
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the OPPO K15 Pro+ (2026) runs on the MediaTek Dimensity 9500s; launch prices were $555 and $509. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 72/100 (a 2-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 8000); the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 3,032,039).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
OPPO K15 Pro+
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 3032039
- Better Geekbench Single: 3293 vs 2725
- Better Geekbench Multi: 10243 vs 8932
- Bigger battery: 8600 vs 8000 mAh
- Faster charging: 120W vs 100W
- Lighter: 217g vs 219g
- Higher performance (94/100 vs 90/100)
- Longer battery life (82/100 vs 75/100)
What makes OPPO K15 Pro+ better?
- Cheaper at launch: $509 vs $555
- Better portability (44/100 vs 43/100)
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the OPPO K15 Pro+, the OnePlus Ace 6 Ultra scores 2 points higher (74/100 vs 72/100). Value score: OnePlus Ace 6 Ultra — 66/100, OPPO K15 Pro+ — 64/100; 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 OPPO K15 Pro+ are nearly equal (94/100 vs 90/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, both devices are on the same level — 35/100. In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 75/100). In the "portability" category, the OPPO K15 Pro+ and the OnePlus Ace 6 Ultra are nearly equal (44/100 vs 43/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | OPPO K15 Pro+ | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | MediaTek Dimensity 9500s | |
| AnTuTu | 3429868 | 3032039 | |
| Geekbench Single | 3293 | 2725 | |
| Geekbench Multi | 10243 | 8932 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1272x2772 | 2772x1272 | |
| Refresh rate | 165 Hz | 165 Hz | |
| Battery | 8600 mAh | 8000 mAh | |
| Charging | 120W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1800 nits | 1800 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 162.5×77.5×8.5 mm | 162.4×77.5×8.3 mm | |
| Weight | 217 g | 219 g | |
| Launch price | $555 | $509 |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
OPPO K15 Pro+
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
OPPO K15 Pro+
- 6.8" AMOLED
- Resolution: 2772x1272
- Refresh rate: 165 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
OPPO K15 Pro+
- 8000 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OnePlus Ace 6 Ultra and OPPO K15 Pro+, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads OPPO K15 Pro+ by 13.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $46. OPPO K15 Pro+ was $46 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra and the OPPO K15 Pro+ are nearly equal (94/100 vs 90/100).
display
In the "display" category, both devices are on the same level — 94/100.
camera
In the "camera" category, both devices are on the same level — 35/100.
battery
In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 75/100).
portability
In the "portability" category, the OPPO K15 Pro+ and the OnePlus Ace 6 Ultra are nearly equal (44/100 vs 43/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the OPPO K15 Pro+?
The OnePlus Ace 6 Ultra edges out the OPPO K15 Pro+ by just 2 points — the two devices are very close in overall level.
What is the rating of the OnePlus Ace 6 Ultra and the OPPO K15 Pro+?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the OPPO K15 Pro+ — 72/100.
Should you choose the OnePlus Ace 6 Ultra over the OPPO K15 Pro+?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The OPPO K15 Pro+ is a better fit for gamers and power users, those who care about battery life.