ASUS Zenfone 5z ZS620KL vs Vivo iQOO 15T
The ASUS Zenfone 5z ZS620KL (2018) runs on the Qualcomm Snapdragon 845, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 31/100 (a 51-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 3300); the main camera is 12 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 572,788); the ASUS Zenfone 5z ZS620KL is noticeably lighter (165g vs 216g).
Profile comparison
Category scores
ASUS Zenfone 5z ZS620KL
Vivo iQOO 15T
What makes ASUS Zenfone 5z ZS620KL better?
- Lighter: 165g vs 216g
- Better portability (81/100 vs 44/100)
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 572788
- Better Geekbench Single: 3293 vs 566
- Better Geekbench Multi: 10243 vs 2130
- Bigger battery: 8000 vs 3300 mAh
- Better main camera: 200MP vs 12MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (97/100 vs 41/100)
- Better camera (65/100 vs 13/100)
- Longer battery life (75/100 vs 12/100)
- Better display (99/100 vs 43/100)
Comparison verdict
Comparing the ASUS Zenfone 5z ZS620KL vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 51 points higher (82/100 vs 31/100). In the "performance" category, the Vivo iQOO 15T leads (97/100 vs 41/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 13/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 12/100). In the "performance" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 5z ZS620KL (97/100 vs 41/100). In the "display" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 5z ZS620KL (99/100 vs 43/100). In the "camera" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 5z ZS620KL (65/100 vs 13/100). In the "battery" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 5z ZS620KL (75/100 vs 12/100). In the "portability" category, the ASUS Zenfone 5z ZS620KL significantly outperforms the Vivo iQOO 15T (81/100 vs 44/100).
Specs comparison
| Specification | ASUS Zenfone 5z ZS620KL | Vivo iQOO 15T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 845 | MediaTek Dimensity 9500 | |
| AnTuTu | 572788 | 4704310 | |
| Geekbench Single | 566 | 3293 | |
| Geekbench Multi | 2130 | 10243 | |
| Display | 6.2" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 1080x2246 | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 3300 mAh | 8000 mAh | |
| Charging | — | 100W | |
| Main camera | 12 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Front camera | 8 MP | 16 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 8.0 Oreo | Android 16 | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 153.0×75.7×7.9 mm | — | |
| Weight | 165 g | 216 g | |
| Launch price | — | $499 |
Camera comparison
ASUS Zenfone 5z ZS620KL
- Main: 12MP f/1.8
- Ultrawide: 8MP
- Front: 8MP
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Display comparison
ASUS Zenfone 5z ZS620KL
- 6.2" IPS LCD
- Resolution: 1080x2246
- Refresh rate: 60 Hz
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
ASUS Zenfone 5z ZS620KL
- 3300 mAh
- No wireless charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared ASUS Zenfone 5z ZS620KL and Vivo iQOO 15T, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads ASUS Zenfone 5z ZS620KL by 87.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
ASUS Zenfone 5z ZS620KL
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 5z ZS620KL (97/100 vs 41/100).
display
In the "display" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 5z ZS620KL (99/100 vs 43/100).
camera
In the "camera" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 5z ZS620KL (65/100 vs 13/100).
battery
In the "battery" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 5z ZS620KL (75/100 vs 12/100).
portability
In the "portability" category, the ASUS Zenfone 5z ZS620KL significantly outperforms the Vivo iQOO 15T (81/100 vs 44/100).
Frequently asked questions
Which is better: the ASUS Zenfone 5z ZS620KL or the Vivo iQOO 15T?
The Vivo iQOO 15T significantly outperforms the ASUS Zenfone 5z ZS620KL by 51 points (82/100 vs 31/100).
What is the rating of the ASUS Zenfone 5z ZS620KL and the Vivo iQOO 15T?
The ASUS Zenfone 5z ZS620KL has a MobileRank rating of 31/100, the Vivo iQOO 15T — 82/100.
Which has the better camera: the ASUS Zenfone 5z ZS620KL or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on camera score (65/100 vs 13/100).
Which is more powerful: the ASUS Zenfone 5z ZS620KL or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on performance (97/100 vs 41/100).
Should you choose the ASUS Zenfone 5z ZS620KL over the Vivo iQOO 15T?
The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.