ASUS Zenfone V V520KL vs Vivo iQOO 15 Ultra
The ASUS Zenfone V V520KL (2017) runs on the Qualcomm Snapdragon 820, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 25/100 (a 64-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 3000); the main camera is 23 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 333,877); the ASUS Zenfone V V520KL is thinner (7.6mm vs 8.7mm).
ASUS Zenfone V V520KL
Vivo iQOO 15 Ultra
- Better portability (70/100 vs 35/100)
- Higher AnTuTu: 4602290 vs 333877
- Better Geekbench Single: 3640 vs 356
- Better Geekbench Multi: 11033 vs 615
- Bigger battery: 7400 vs 3000 mAh
- Better main camera: 50MP vs 23MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (99/100 vs 21/100)
- Better camera (78/100 vs 15/100)
- Longer battery life (92/100 vs 12/100)
- Better display (99/100 vs 58/100)
Comparing the ASUS Zenfone V V520KL vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 64 points higher (89/100 vs 25/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 21/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 15/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 12/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone V V520KL (99/100 vs 21/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone V V520KL (99/100 vs 58/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone V V520KL (78/100 vs 15/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone V V520KL (92/100 vs 12/100). In the "portability" category, the ASUS Zenfone V V520KL significantly outperforms the Vivo iQOO 15 Ultra (70/100 vs 35/100).
| Specification | ASUS Zenfone V V520KL | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 820 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 333877 | 4602290 | |
| Geekbench Single | 356 | 3640 | |
| Geekbench Multi | 615 | 11033 | |
| Display | 5.2" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x1920 | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 3000 mAh | 7400 mAh | |
| Charging | — | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 23 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB | 12GB / 16GB / 24GB | |
| Storage | 32GB | 256GB / 512GB / 1TB | |
| OS | Android 7.0 Nougat | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 146.6×72.6×7.6 mm | 163.7×76.8×8.7 mm | |
| Weight | — | 227 g | |
| Launch price | — | $799 |
ASUS Zenfone V V520KL
- Main: 23MP
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
ASUS Zenfone V V520KL
- 5.2" AMOLED
- Resolution: 1080x1920
- Refresh rate: 60 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
ASUS Zenfone V V520KL
- 3000 mAh
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared ASUS Zenfone V V520KL and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads ASUS Zenfone V V520KL by 92.7% in our overall performance rating.
ASUS Zenfone V V520KL
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone V V520KL (99/100 vs 21/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone V V520KL (99/100 vs 58/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone V V520KL (78/100 vs 15/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone V V520KL (92/100 vs 12/100).
portability
In the "portability" category, the ASUS Zenfone V V520KL significantly outperforms the Vivo iQOO 15 Ultra (70/100 vs 35/100).
Which is better: the ASUS Zenfone V V520KL or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone V V520KL by 64 points (89/100 vs 25/100).
What is the rating of the ASUS Zenfone V V520KL and the Vivo iQOO 15 Ultra?
The ASUS Zenfone V V520KL has a MobileRank rating of 25/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the ASUS Zenfone V V520KL or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 15/100).
Which is more powerful: the ASUS Zenfone V V520KL or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 21/100).
Should you choose the ASUS Zenfone V V520KL over the Vivo iQOO 15 Ultra?
The ASUS Zenfone V V520KL is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.