ASUS Zenfone 12 Ultra vs OnePlus 15
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $999 and $799. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 75/100 (a 11-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 5500); the OnePlus 15 is faster in AnTuTu (3,606,149 vs 3,247,013).
Profile comparison
Category scores
ASUS Zenfone 12 Ultra
OnePlus 15
What makes ASUS Zenfone 12 Ultra better?
- Higher refresh rate: 144Hz vs 120Hz
- Better display (89/100 vs 84/100)
What makes OnePlus 15 better?
- Higher AnTuTu: 3606149 vs 3247013
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Bigger battery: 6500 vs 5500 mAh
- Faster charging: 120W vs 65W
- Faster wireless charging: 50W vs 15W
- Lighter: 213g vs 220g
- Cheaper at launch: $799 vs $999
- Higher performance (97/100 vs 92/100)
- Better camera (78/100 vs 56/100)
- Longer battery life (89/100 vs 66/100)
- Better portability (50/100 vs 38/100)
Comparison verdict
Comparing the ASUS Zenfone 12 Ultra vs the OnePlus 15, the OnePlus 15 scores 11 points higher (86/100 vs 75/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 56/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 66/100). Value score: ASUS Zenfone 12 Ultra — 60/100, OnePlus 15 — 86/100; 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 15 is a bit better (97/100 vs 92/100). In the "display" category, the ASUS Zenfone 12 Ultra is a bit better (89/100 vs 84/100). In the "camera" category, the OnePlus 15 notably outperforms the ASUS Zenfone 12 Ultra (78/100 vs 56/100). In the "battery" category, the OnePlus 15 notably outperforms the ASUS Zenfone 12 Ultra (89/100 vs 66/100). In the "portability" category, the OnePlus 15 is a bit better (50/100 vs 38/100).
Specs comparison
| Specification | ASUS Zenfone 12 Ultra | OnePlus 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3247013 | 3606149 | |
| Geekbench Single | 3013 | 3639 | |
| Geekbench Multi | 9287 | 11047 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 2400x1080 | 1272x2772 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 6500 mAh | |
| Charging | 65W | 120W | |
| Wireless charging | 15W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 32 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 15 / ZenUI | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | |
| Brightness (peak) | 2500 nits | 1800 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.8×77.0×8.9 mm | 161.4×76.7×8.1 mm | |
| Weight | 220 g | 213 g | |
| Launch price | $999 | $799 |
Camera comparison
ASUS Zenfone 12 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
OnePlus 15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared ASUS Zenfone 12 Ultra and OnePlus 15, covering their specs and all relevant benchmarks.
OnePlus 15 leads ASUS Zenfone 12 Ultra by 10.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $200. OnePlus 15 was $200 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15 is a bit better (97/100 vs 92/100).
display
In the "display" category, the ASUS Zenfone 12 Ultra is a bit better (89/100 vs 84/100).
camera
In the "camera" category, the OnePlus 15 notably outperforms the ASUS Zenfone 12 Ultra (78/100 vs 56/100).
battery
In the "battery" category, the OnePlus 15 notably outperforms the ASUS Zenfone 12 Ultra (89/100 vs 66/100).
portability
In the "portability" category, the OnePlus 15 is a bit better (50/100 vs 38/100).
Frequently asked questions
Which is better: the ASUS Zenfone 12 Ultra or the OnePlus 15?
The OnePlus 15 is noticeably better than the ASUS Zenfone 12 Ultra — the overall rating gap is 11 points.
What is the rating of the ASUS Zenfone 12 Ultra and the OnePlus 15?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the OnePlus 15 — 86/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the OnePlus 15?
The OnePlus 15 leads on camera score (78/100 vs 56/100).
Which is more powerful: the ASUS Zenfone 12 Ultra or the OnePlus 15?
The OnePlus 15 leads on performance (97/100 vs 92/100).
Should you choose the ASUS Zenfone 12 Ultra over the OnePlus 15?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.