ASUS Zenfone Max Pro (M2) ZB631KL vs Vivo iQOO 15
The ASUS Zenfone Max Pro (M2) ZB631KL (2018) runs on the Qualcomm Snapdragon 660, 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 29/100 (a 57-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5000); the main camera is 12 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,714,661 vs 347,995); the ASUS Zenfone Max Pro (M2) ZB631KL is noticeably lighter (175g vs 215g).
ASUS Zenfone Max Pro (M2) ZB631KL
Vivo iQOO 15
- Lighter: 175g vs 215g
- Better portability (68/100 vs 48/100)
- Higher AnTuTu: 3714661 vs 347995
- Better Geekbench Single: 3041 vs 360
- Better Geekbench Multi: 9494 vs 1115
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 10W
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (94/100 vs 25/100)
- Better camera (78/100 vs 12/100)
- Longer battery life (85/100 vs 43/100)
- Better display (99/100 vs 42/100)
Comparing the ASUS Zenfone Max Pro (M2) ZB631KL vs the Vivo iQOO 15, the Vivo iQOO 15 scores 57 points higher (86/100 vs 29/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 25/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 12/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 43/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone Max Pro (M2) ZB631KL (94/100 vs 25/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone Max Pro (M2) ZB631KL (99/100 vs 42/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone Max Pro (M2) ZB631KL (78/100 vs 12/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone Max Pro (M2) ZB631KL (85/100 vs 43/100). In the "portability" category, the ASUS Zenfone Max Pro (M2) ZB631KL notably outperforms the Vivo iQOO 15 (68/100 vs 48/100).
| Specification | ASUS Zenfone Max Pro (M2) ZB631KL | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 347995 | 3714661 | |
| Geekbench Single | 360 | 3041 | |
| Geekbench Multi | 1115 | 9494 | |
| Display | 6.3" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 1080x2280 | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 5000 mAh | 7000 mAh | |
| Charging | 10W | 100W | |
| Wireless charging | 0W | 40W | |
| Main camera | 12 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 13 MP | 32 MP | |
| RAM | 3GB / 4GB / 6GB | 12GB / 16GB | |
| Storage | 32GB / 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 8.1 Oreo | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 157.9×75.5×8.5 mm | 163.7×76.8×8.1 mm | |
| Weight | 175 g | 215 g | |
| Launch price | — | $599 |
ASUS Zenfone Max Pro (M2) ZB631KL
- Main: 12MP f/f/1.8
- Front: 13MP
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
ASUS Zenfone Max Pro (M2) ZB631KL
- 6.3" IPS LCD
- Resolution: 1080x2280
- Refresh rate: 60 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
ASUS Zenfone Max Pro (M2) ZB631KL
- 5000 mAh
- Wired: 10W
- 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 Max Pro (M2) ZB631KL and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads ASUS Zenfone Max Pro (M2) ZB631KL by 90.6% in our overall performance rating.
ASUS Zenfone Max Pro (M2) ZB631KL
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone Max Pro (M2) ZB631KL (94/100 vs 25/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone Max Pro (M2) ZB631KL (99/100 vs 42/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone Max Pro (M2) ZB631KL (78/100 vs 12/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the ASUS Zenfone Max Pro (M2) ZB631KL (85/100 vs 43/100).
portability
In the "portability" category, the ASUS Zenfone Max Pro (M2) ZB631KL notably outperforms the Vivo iQOO 15 (68/100 vs 48/100).
Which is better: the ASUS Zenfone Max Pro (M2) ZB631KL or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the ASUS Zenfone Max Pro (M2) ZB631KL by 57 points (86/100 vs 29/100).
What is the rating of the ASUS Zenfone Max Pro (M2) ZB631KL and the Vivo iQOO 15?
The ASUS Zenfone Max Pro (M2) ZB631KL has a MobileRank rating of 29/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the ASUS Zenfone Max Pro (M2) ZB631KL or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 12/100).
Which is more powerful: the ASUS Zenfone Max Pro (M2) ZB631KL or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 25/100).
Should you choose the ASUS Zenfone Max Pro (M2) ZB631KL over the Vivo iQOO 15?
The ASUS Zenfone Max Pro (M2) ZB631KL 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.