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; estimated prices are $555 and $509. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 66/100 vs 60/100 (a 6-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 3,121,723).
OnePlus Ace 6 Ultra
OPPO K15 Pro+
- Higher AnTuTu: 3429868 vs 3121723
- Better Geekbench Single: 3228 vs 2680
- Better Geekbench Multi: 9553 vs 8358
- Bigger battery: 8600 vs 8000 mAh
- Faster charging: 120W vs 100W
- Lighter: 217g vs 219g
- Higher performance (76/100 vs 64/100)
- Longer battery life (82/100 vs 74/100)
- Better design/ergonomics (28/100 vs 26/100)
- Cheaper: $509 vs $555
- Better value for money (75/100 vs 72/100)
Comparing the OnePlus Ace 6 Ultra vs the OPPO K15 Pro+, the OnePlus Ace 6 Ultra scores 6 points higher (66/100 vs 60/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (76/100 vs 64/100). In the "performance" category, the OnePlus Ace 6 Ultra is a bit better (76/100 vs 64/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, both devices are on the same level — 31/100. In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 74/100). In the "design" category, the OnePlus Ace 6 Ultra and the OPPO K15 Pro+ are nearly equal (28/100 vs 26/100). In the "value for money" category, the OPPO K15 Pro+ and the OnePlus Ace 6 Ultra are nearly equal (75/100 vs 72/100).
| Specification | OnePlus Ace 6 Ultra | OPPO K15 Pro+ | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | MediaTek Dimensity 9500s | |
| AnTuTu | 3429868 | 3121723 | |
| Geekbench Single | 3228 | 2680 | |
| Geekbench Multi | 9553 | 8358 | |
| 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 | |
| Price | $555 | $509 |
OnePlus Ace 6 Ultra
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
OPPO K15 Pro+
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
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
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
OPPO K15 Pro+
- 8000 mAh
- Wired: 100W
- No wireless charging
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 9.9% in our overall performance rating.
Price difference: $46. OPPO K15 Pro+ is cheaper by $46.
performance
In the "performance" category, the OnePlus Ace 6 Ultra is a bit better (76/100 vs 64/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, both devices are on the same level — 31/100.
battery
In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 74/100).
design
In the "design" category, the OnePlus Ace 6 Ultra and the OPPO K15 Pro+ are nearly equal (28/100 vs 26/100).
value for money
In the "value for money" category, the OPPO K15 Pro+ and the OnePlus Ace 6 Ultra are nearly equal (75/100 vs 72/100).
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 6 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 66/100, the OPPO K15 Pro+ — 60/100.
Which is more powerful: the OnePlus Ace 6 Ultra or the OPPO K15 Pro+?
The OnePlus Ace 6 Ultra leads on performance (76/100 vs 64/100).
Should you choose the OnePlus Ace 6 Ultra over the OPPO K15 Pro+?
The OnePlus Ace 6 Ultra is a better fit for active users, those who care about battery life. The OPPO K15 Pro+ is a better fit for active users, budget-conscious buyers.