ASUS Zenfone 12 Ultra vs Vivo Y31d
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y31d (2026) runs on the Qualcomm Snapdragon 6s 4G Gen 2; launch prices were $999 and $185. By overall MobileRank rating, the ASUS Zenfone 12 Ultra leads — 75/100 vs 41/100 (a 34-point difference). Key differences: the Vivo Y31d has the bigger battery (7200 mAh vs 5500); the ASUS Zenfone 12 Ultra is faster in AnTuTu (3,119,308 vs 522,680); the ASUS Zenfone 12 Ultra has NFC for contactless payments, the Vivo Y31d doesn't.
ASUS Zenfone 12 Ultra
Vivo Y31d
- Higher AnTuTu: 3119308 vs 522680
- Better Geekbench Single: 3041 vs 489
- Better Geekbench Multi: 9494 vs 1532
- Faster charging: 65W vs 44W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (92/100 vs 36/100)
- Better camera (56/100 vs 30/100)
- Longer battery life (66/100 vs 60/100)
- Better display (89/100 vs 55/100)
- Bigger battery: 7200 vs 5500 mAh
- Lighter: 219g vs 220g
- Cheaper at launch: $185 vs $999
- Better portability (43/100 vs 38/100)
Comparing the ASUS Zenfone 12 Ultra vs the Vivo Y31d, the ASUS Zenfone 12 Ultra scores 34 points higher (75/100 vs 41/100). In the "performance" category, the ASUS Zenfone 12 Ultra leads (92/100 vs 36/100). In the "camera" category, the ASUS Zenfone 12 Ultra leads (56/100 vs 30/100). Value score: ASUS Zenfone 12 Ultra — 62/100, Vivo Y31d — 48/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the ASUS Zenfone 12 Ultra significantly outperforms the Vivo Y31d (92/100 vs 36/100). In the "display" category, the ASUS Zenfone 12 Ultra significantly outperforms the Vivo Y31d (89/100 vs 55/100). In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the Vivo Y31d (56/100 vs 30/100). In the "battery" category, the ASUS Zenfone 12 Ultra is a bit better (66/100 vs 60/100). In the "portability" category, the Vivo Y31d is a bit better (43/100 vs 38/100).
| Specification | ASUS Zenfone 12 Ultra | Vivo Y31d | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 6s 4G Gen 2 | |
| AnTuTu | 3119308 | 522680 | |
| Geekbench Single | 3041 | 489 | |
| Geekbench Multi | 9494 | 1532 | |
| Display | 6.8" LTPO AMOLED | 6.8" IPS LCD | |
| Resolution | 2400x1080 | 720x1570 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 7200 mAh | |
| Charging | 65W | 44W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 0 MP | |
| Telephoto | 32 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 15 / ZenUI | Android 16 | |
| Brightness (peak) | 2500 nits | 1250 nits | |
| NFC | yes | no | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 163.8×77.0×8.9 mm | 166.6×78.4×8.4 mm | |
| Weight | 220 g | 219 g | |
| Launch price | $999 | $185 |
ASUS Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Vivo Y31d
- Main: 50MP f/f/2.0
- Front: 8MP
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
Vivo Y31d
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Vivo Y31d
- 7200 mAh
- Wired: 44W
- No wireless charging
We compared ASUS Zenfone 12 Ultra and Vivo Y31d, covering their specs and all relevant benchmarks.
ASUS Zenfone 12 Ultra leads Vivo Y31d by 496.8% in our overall performance rating.
Launch price difference: $814. Vivo Y31d was $814 cheaper at launch.
performance
In the "performance" category, the ASUS Zenfone 12 Ultra significantly outperforms the Vivo Y31d (92/100 vs 36/100).
display
In the "display" category, the ASUS Zenfone 12 Ultra significantly outperforms the Vivo Y31d (89/100 vs 55/100).
camera
In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the Vivo Y31d (56/100 vs 30/100).
battery
In the "battery" category, the ASUS Zenfone 12 Ultra is a bit better (66/100 vs 60/100).
portability
In the "portability" category, the Vivo Y31d is a bit better (43/100 vs 38/100).
Which is better: the ASUS Zenfone 12 Ultra or the Vivo Y31d?
The ASUS Zenfone 12 Ultra significantly outperforms the Vivo Y31d by 34 points (75/100 vs 41/100).
What is the rating of the ASUS Zenfone 12 Ultra and the Vivo Y31d?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the Vivo Y31d — 41/100.
Which has the better camera: the ASUS Zenfone 12 Ultra or the Vivo Y31d?
The ASUS Zenfone 12 Ultra leads on camera score (56/100 vs 30/100).
Which is more powerful: the ASUS Zenfone 12 Ultra or the Vivo Y31d?
The ASUS Zenfone 12 Ultra leads on performance (92/100 vs 36/100).
Should you choose the ASUS Zenfone 12 Ultra over the Vivo Y31d?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The Vivo Y31d is a better fit for everyday use.