ASUS Zenfone 12 Ultra vs Vivo X300 Ultra
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $999 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 75/100 (a 16-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5500); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 3,247,013).
Profile comparison
Category scores
ASUS Zenfone 12 Ultra
Vivo X300 Ultra
What makes ASUS Zenfone 12 Ultra better?
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 220g vs 230g
- Overall rating 75/100
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 3247013
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Bigger battery: 7000 vs 5500 mAh
- Faster charging: 100W vs 65W
- Better main camera: 200MP vs 50MP
- Faster wireless charging: 40W vs 15W
- Cheaper at launch: $950 vs $999
- Higher performance (99/100 vs 92/100)
- Better camera (96/100 vs 56/100)
- Longer battery life (85/100 vs 66/100)
- Better portability (39/100 vs 38/100)
Comparison verdict
Comparing the ASUS Zenfone 12 Ultra vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 16 points higher (91/100 vs 75/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 56/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 66/100). Value score: ASUS Zenfone 12 Ultra — 60/100, Vivo X300 Ultra — 94/100; 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 X300 Ultra is a bit better (99/100 vs 92/100). In the "display" category, both devices are on the same level — 89/100. In the "camera" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 12 Ultra (96/100 vs 56/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the ASUS Zenfone 12 Ultra (85/100 vs 66/100). In the "portability" category, the Vivo X300 Ultra and the ASUS Zenfone 12 Ultra are nearly equal (39/100 vs 38/100).
Specs comparison
| Specification | ASUS Zenfone 12 Ultra | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3247013 | 4247433 | |
| Geekbench Single | 3013 | 3639 | |
| Geekbench Multi | 9287 | 11047 | |
| Display | 6.8" LTPO AMOLED | 6.8" LTPO OLED | |
| Resolution | 2400x1080 | 3168x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 7000 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 32 MP | 200 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15 / ZenUI | Android 16 | |
| Brightness (peak) | 2500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP69 | |
| Dimensions | 163.8×77.0×8.9 mm | 163.0×76.8×8.2 mm | |
| Weight | 220 g | 230 g | |
| Launch price | $999 | $950 |
Camera comparison
ASUS Zenfone 12 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared ASUS Zenfone 12 Ultra and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads ASUS Zenfone 12 Ultra by 23.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $49. Vivo X300 Ultra was $49 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra is a bit better (99/100 vs 92/100).
display
In the "display" category, both devices are on the same level — 89/100.
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 12 Ultra (96/100 vs 56/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the ASUS Zenfone 12 Ultra (85/100 vs 66/100).
portability
In the "portability" category, the Vivo X300 Ultra and the ASUS Zenfone 12 Ultra are nearly equal (39/100 vs 38/100).
Frequently asked questions
Which is better: the ASUS Zenfone 12 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra is noticeably better than the ASUS Zenfone 12 Ultra — the overall rating gap is 16 points.
What is the rating of the ASUS Zenfone 12 Ultra and the Vivo X300 Ultra?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 56/100).
Which is more powerful: the ASUS Zenfone 12 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 92/100).
Should you choose the ASUS Zenfone 12 Ultra over the Vivo X300 Ultra?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.