ASUS Zenfone V V520KL vs Vivo iQOO 15
The ASUS Zenfone V V520KL (2017) runs on the Qualcomm Snapdragon 820, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 25/100 (a 61-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 3000); the main camera is 23 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,714,661 vs 333,877).
ASUS Zenfone V V520KL
Vivo iQOO 15
- Better portability (70/100 vs 48/100)
- Higher AnTuTu: 3714661 vs 333877
- Better Geekbench Single: 3041 vs 356
- Better Geekbench Multi: 9494 vs 615
- Bigger battery: 7000 vs 3000 mAh
- Better main camera: 50MP vs 23MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (94/100 vs 21/100)
- Better camera (78/100 vs 15/100)
- Longer battery life (85/100 vs 12/100)
- Better display (99/100 vs 58/100)
Comparing the ASUS Zenfone V V520KL vs the Vivo iQOO 15, the Vivo iQOO 15 scores 61 points higher (86/100 vs 25/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 21/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 15/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 12/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone V V520KL (94/100 vs 21/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone V V520KL (99/100 vs 58/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone V V520KL (78/100 vs 15/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone V V520KL (85/100 vs 12/100). In the "portability" category, the ASUS Zenfone V V520KL notably outperforms the Vivo iQOO 15 (70/100 vs 48/100).
| Specification | ASUS Zenfone V V520KL | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 820 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 333877 | 3714661 | |
| Geekbench Single | 356 | 3041 | |
| Geekbench Multi | 615 | 9494 | |
| Display | 5.2" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x1920 | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 3000 mAh | 7000 mAh | |
| Charging | — | 100W | |
| Wireless charging | 0W | 40W | |
| 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 | |
| Storage | 32GB | 256GB / 512GB / 1TB | |
| OS | Android 7.0 Nougat | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 146.6×72.6×7.6 mm | 163.7×76.8×8.1 mm | |
| Weight | — | 215 g | |
| Launch price | — | $599 |
ASUS Zenfone V V520KL
- Main: 23MP
- Front: 8MP
Vivo iQOO 15
- 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
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
ASUS Zenfone V V520KL
- 3000 mAh
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
We compared ASUS Zenfone V V520KL and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads ASUS Zenfone V V520KL by 91.0% in our overall performance rating.
ASUS Zenfone V V520KL
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone V V520KL (94/100 vs 21/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone V V520KL (99/100 vs 58/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone V V520KL (78/100 vs 15/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone V V520KL (85/100 vs 12/100).
portability
In the "portability" category, the ASUS Zenfone V V520KL notably outperforms the Vivo iQOO 15 (70/100 vs 48/100).
Which is better: the ASUS Zenfone V V520KL or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the ASUS Zenfone V V520KL by 61 points (86/100 vs 25/100).
What is the rating of the ASUS Zenfone V V520KL and the Vivo iQOO 15?
The ASUS Zenfone V V520KL has a MobileRank rating of 25/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the ASUS Zenfone V V520KL or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 15/100).
Which is more powerful: the ASUS Zenfone V V520KL or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 21/100).
Should you choose the ASUS Zenfone V V520KL over the Vivo iQOO 15?
The ASUS Zenfone V V520KL is a better fit for everyday use. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.