ASUS Zenfone 12 Ultra vs Vivo iQOO 15 Ultra
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $999 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 75/100 (a 14-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5500); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 3,247,013).
Profile comparison
Category scores
ASUS Zenfone 12 Ultra
Vivo iQOO 15 Ultra
What makes ASUS Zenfone 12 Ultra better?
- Lighter: 220g vs 227g
- Better portability (38/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 3247013
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Bigger battery: 7400 vs 5500 mAh
- Faster charging: 120W vs 65W
- Faster wireless charging: 50W vs 15W
- Cheaper at launch: $799 vs $999
- Higher performance (99/100 vs 92/100)
- Better camera (78/100 vs 56/100)
- Longer battery life (92/100 vs 66/100)
- Better display (99/100 vs 89/100)
Comparison verdict
Comparing the ASUS Zenfone 12 Ultra vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 14 points higher (89/100 vs 75/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 56/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 66/100). Value score: ASUS Zenfone 12 Ultra — 60/100, 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 92/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 89/100). In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the ASUS Zenfone 12 Ultra (78/100 vs 56/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the ASUS Zenfone 12 Ultra (92/100 vs 66/100). In the "portability" category, the ASUS Zenfone 12 Ultra and the Vivo iQOO 15 Ultra are nearly equal (38/100 vs 35/100).
Specs comparison
| Specification | ASUS Zenfone 12 Ultra | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3247013 | 4602290 | |
| Geekbench Single | 3013 | 3639 | |
| Geekbench Multi | 9287 | 11047 | |
| Display | 6.8" LTPO AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 2400x1080 | 1440x3168 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 5500 mAh | 7400 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 / 24GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15 / ZenUI | Android 16 | |
| Brightness (peak) | 2500 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.8×77.0×8.9 mm | 163.7×76.8×8.7 mm | |
| Weight | 220 g | 227 g | |
| Launch price | $999 | $799 |
Camera comparison
ASUS Zenfone 12 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared ASUS Zenfone 12 Ultra and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads ASUS Zenfone 12 Ultra by 29.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $200. Vivo iQOO 15 Ultra was $200 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 92/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 89/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the ASUS Zenfone 12 Ultra (78/100 vs 56/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the ASUS Zenfone 12 Ultra (92/100 vs 66/100).
portability
In the "portability" category, the ASUS Zenfone 12 Ultra and the Vivo iQOO 15 Ultra are nearly equal (38/100 vs 35/100).
Frequently asked questions
Which is better: the ASUS Zenfone 12 Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is noticeably better than the ASUS Zenfone 12 Ultra — the overall rating gap is 14 points.
What is the rating of the ASUS Zenfone 12 Ultra and the Vivo iQOO 15 Ultra?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 56/100).
Which is more powerful: the ASUS Zenfone 12 Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 92/100).
Should you choose the ASUS Zenfone 12 Ultra over the Vivo iQOO 15 Ultra?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.