ASUS Zenfone Max (M1) ZB555KL vs Vivo iQOO 15 Ultra
The ASUS Zenfone Max (M1) ZB555KL (2018) runs on the Qualcomm Snapdragon 425, 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 20/100 (a 69-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4000); the main camera is 13 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 180,934); the Vivo iQOO 15 Ultra has NFC for contactless payments, the ASUS Zenfone Max (M1) ZB555KL doesn't; the ASUS Zenfone Max (M1) ZB555KL is noticeably lighter (150g vs 227g).
Profile comparison
Category scores
ASUS Zenfone Max (M1) ZB555KL
Vivo iQOO 15 Ultra
What makes ASUS Zenfone Max (M1) ZB555KL better?
- Lighter: 150g vs 227g
- Better portability (76/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 180934
- Better Geekbench Single: 3639 vs 130
- Better Geekbench Multi: 11047 vs 488
- Bigger battery: 7400 vs 4000 mAh
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (99/100 vs 10/100)
- Better camera (78/100 vs 13/100)
- Longer battery life (92/100 vs 25/100)
- Better display (99/100 vs 34/100)
Comparison verdict
Comparing the ASUS Zenfone Max (M1) ZB555KL vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 69 points higher (89/100 vs 20/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 10/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 13/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 25/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone Max (M1) ZB555KL (99/100 vs 10/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone Max (M1) ZB555KL (99/100 vs 34/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone Max (M1) ZB555KL (78/100 vs 13/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone Max (M1) ZB555KL (92/100 vs 25/100). In the "portability" category, the ASUS Zenfone Max (M1) ZB555KL significantly outperforms the Vivo iQOO 15 Ultra (76/100 vs 35/100).
Specs comparison
| Specification | ASUS Zenfone Max (M1) ZB555KL | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 425 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 180934 | 4602290 | |
| Geekbench Single | 130 | 3639 | |
| Geekbench Multi | 488 | 11047 | |
| Display | 5.5" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1440 | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 4000 mAh | 7400 mAh | |
| Charging | — | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 2GB / 3GB | 12GB / 16GB / 24GB | |
| Storage | 16GB / 32GB | 256GB / 512GB / 1TB | |
| OS | Android 8.0 Oreo | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 147.3×70.9×8.7 mm | 163.7×76.8×8.7 mm | |
| Weight | 150 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
ASUS Zenfone Max (M1) ZB555KL
- Main: 13MP f/2.0
- Ultrawide: 8MP
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
ASUS Zenfone Max (M1) ZB555KL
- 5.5" IPS LCD
- Resolution: 720x1440
- Refresh rate: 60 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
ASUS Zenfone Max (M1) ZB555KL
- 4000 mAh
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared ASUS Zenfone Max (M1) ZB555KL and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads ASUS Zenfone Max (M1) ZB555KL by 96.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
ASUS Zenfone Max (M1) ZB555KL
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone Max (M1) ZB555KL (99/100 vs 10/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone Max (M1) ZB555KL (99/100 vs 34/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone Max (M1) ZB555KL (78/100 vs 13/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone Max (M1) ZB555KL (92/100 vs 25/100).
portability
In the "portability" category, the ASUS Zenfone Max (M1) ZB555KL significantly outperforms the Vivo iQOO 15 Ultra (76/100 vs 35/100).
Frequently asked questions
Which is better: the ASUS Zenfone Max (M1) ZB555KL or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the ASUS Zenfone Max (M1) ZB555KL by 69 points (89/100 vs 20/100).
What is the rating of the ASUS Zenfone Max (M1) ZB555KL and the Vivo iQOO 15 Ultra?
The ASUS Zenfone Max (M1) ZB555KL has a MobileRank rating of 20/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the ASUS Zenfone Max (M1) ZB555KL or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 13/100).
Which is more powerful: the ASUS Zenfone Max (M1) ZB555KL or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 10/100).
Should you choose the ASUS Zenfone Max (M1) ZB555KL over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.