ASUS Zenfone 12 Ultra vs OPPO K15 Pro+
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the OPPO K15 Pro+ (2026) runs on the MediaTek Dimensity 9500s; launch prices were $999 and $509. By overall MobileRank rating, the ASUS Zenfone 12 Ultra leads — 75/100 vs 72/100 (a 3-point difference). Key differences: the OPPO K15 Pro+ has the bigger battery (8000 mAh vs 5500); the ASUS Zenfone 12 Ultra is faster in AnTuTu (3,247,013 vs 3,032,039).
Profile comparison
Category scores
ASUS Zenfone 12 Ultra
OPPO K15 Pro+
What makes ASUS Zenfone 12 Ultra better?
- Higher AnTuTu: 3247013 vs 3032039
- Better Geekbench Single: 3013 vs 2725
- Better Geekbench Multi: 9287 vs 8932
- Higher performance (92/100 vs 90/100)
- Better camera (56/100 vs 35/100)
What makes OPPO K15 Pro+ better?
- Bigger battery: 8000 vs 5500 mAh
- Faster charging: 100W vs 65W
- Higher refresh rate: 165Hz vs 144Hz
- Lighter: 219g vs 220g
- Cheaper at launch: $509 vs $999
- Longer battery life (75/100 vs 66/100)
- Better display (94/100 vs 89/100)
- Better portability (44/100 vs 38/100)
Comparison verdict
Comparing the ASUS Zenfone 12 Ultra vs the OPPO K15 Pro+, the ASUS Zenfone 12 Ultra scores 3 points higher (75/100 vs 72/100). In the "camera" category, the ASUS Zenfone 12 Ultra leads (56/100 vs 35/100). Value score: ASUS Zenfone 12 Ultra — 60/100, 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 ASUS Zenfone 12 Ultra and the OPPO K15 Pro+ are nearly equal (92/100 vs 90/100). In the "display" category, the OPPO K15 Pro+ is a bit better (94/100 vs 89/100). In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the OPPO K15 Pro+ (56/100 vs 35/100). In the "battery" category, the OPPO K15 Pro+ is a bit better (75/100 vs 66/100). In the "portability" category, the OPPO K15 Pro+ is a bit better (44/100 vs 38/100).
Specs comparison
| Specification | ASUS Zenfone 12 Ultra | OPPO K15 Pro+ | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9500s | |
| AnTuTu | 3247013 | 3032039 | |
| Geekbench Single | 3013 | 2725 | |
| Geekbench Multi | 9287 | 8932 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 2400x1080 | 2772x1272 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 5500 mAh | 8000 mAh | |
| Charging | 65W | 100W | |
| 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 | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 15 / ZenUI | Android 16 | |
| Brightness (peak) | 2500 nits | 1800 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.8×77.0×8.9 mm | 162.4×77.5×8.3 mm | |
| Weight | 220 g | 219 g | |
| Launch price | $999 | $509 |
Camera comparison
ASUS Zenfone 12 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
OPPO K15 Pro+
- 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
OPPO K15 Pro+
- 6.8" AMOLED
- Resolution: 2772x1272
- Refresh rate: 165 Hz
Battery and charging
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
OPPO K15 Pro+
- 8000 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared ASUS Zenfone 12 Ultra and OPPO K15 Pro+, covering their specs and all relevant benchmarks.
ASUS Zenfone 12 Ultra leads OPPO K15 Pro+ by 7.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $490. OPPO K15 Pro+ was $490 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the ASUS Zenfone 12 Ultra and the OPPO K15 Pro+ are nearly equal (92/100 vs 90/100).
display
In the "display" category, the OPPO K15 Pro+ is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the OPPO K15 Pro+ (56/100 vs 35/100).
battery
In the "battery" category, the OPPO K15 Pro+ is a bit better (75/100 vs 66/100).
portability
In the "portability" category, the OPPO K15 Pro+ is a bit better (44/100 vs 38/100).
Frequently asked questions
Which is better: the ASUS Zenfone 12 Ultra or the OPPO K15 Pro+?
The ASUS Zenfone 12 Ultra edges out the OPPO K15 Pro+ by just 3 points — the two devices are very close in overall level.
What is the rating of the ASUS Zenfone 12 Ultra and the OPPO K15 Pro+?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the OPPO K15 Pro+ — 72/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the OPPO K15 Pro+?
The ASUS Zenfone 12 Ultra leads on camera score (56/100 vs 35/100).
Should you choose the ASUS Zenfone 12 Ultra over the OPPO K15 Pro+?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The OPPO K15 Pro+ is a better fit for gamers and power users, those who care about battery life.