ASUS Zenfone 8 vs Vivo iQOO 15T
The ASUS Zenfone 8 (2021) runs on the Qualcomm Snapdragon 888, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500; launch prices were $599 and $499. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 58/100 (a 24-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 4000); the main camera is 64 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 1,135,878); the ASUS Zenfone 8 is noticeably lighter (169g vs 216g).
Profile comparison
Category scores
ASUS Zenfone 8
Vivo iQOO 15T
What makes ASUS Zenfone 8 better?
- Lighter: 169g vs 216g
- Better portability (68/100 vs 44/100)
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 1135878
- Better Geekbench Single: 3293 vs 1500
- Better Geekbench Multi: 10243 vs 3537
- Bigger battery: 8000 vs 4000 mAh
- Faster charging: 100W vs 30W
- Better main camera: 200MP vs 64MP
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $499 vs $599
- Higher performance (97/100 vs 64/100)
- Better camera (65/100 vs 54/100)
- Longer battery life (75/100 vs 29/100)
- Better display (99/100 vs 84/100)
Comparison verdict
Comparing the ASUS Zenfone 8 vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 24 points higher (82/100 vs 58/100). In the "performance" category, the Vivo iQOO 15T leads (97/100 vs 64/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 54/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 29/100). Value score: ASUS Zenfone 8 — 30/100, Vivo iQOO 15T — 86/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 8 (97/100 vs 64/100). In the "display" category, the Vivo iQOO 15T notably outperforms the ASUS Zenfone 8 (99/100 vs 84/100). In the "camera" category, the Vivo iQOO 15T is a bit better (65/100 vs 54/100). In the "battery" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 8 (75/100 vs 29/100). In the "portability" category, the ASUS Zenfone 8 notably outperforms the Vivo iQOO 15T (68/100 vs 44/100).
Specs comparison
| Specification | ASUS Zenfone 8 | Vivo iQOO 15T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | MediaTek Dimensity 9500 | |
| AnTuTu | 1135878 | 4704310 | |
| Geekbench Single | 1500 | 3293 | |
| Geekbench Multi | 3537 | 10243 | |
| Display | 5.9" Super AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 2400x1080 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 4000 mAh | 8000 mAh | |
| Charging | 30W | 100W | |
| DXOMark (camera) | 116 | — | |
| Main camera | 64 MP | 200 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Front camera | 12 MP | 16 MP | |
| RAM | 6GB / 8GB / 12GB / 16GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 / ZenUI | Android 16 | |
| Brightness (peak) | 1100 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 148.0×68.5×8.9 mm | — | |
| Weight | 169 g | 216 g | |
| Launch price | $599 | $499 |
Camera comparison
ASUS Zenfone 8
- Main: 64MP f/1.8
- Ultrawide: 12MP
- Front: 12MP
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Display comparison
ASUS Zenfone 8
- 5.9" Super AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
ASUS Zenfone 8
- 4000 mAh
- Wired: 30W
- Wireless charging: no data
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared ASUS Zenfone 8 and Vivo iQOO 15T, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads ASUS Zenfone 8 by 75.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $100. Vivo iQOO 15T was $100 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 8 (97/100 vs 64/100).
display
In the "display" category, the Vivo iQOO 15T notably outperforms the ASUS Zenfone 8 (99/100 vs 84/100).
camera
In the "camera" category, the Vivo iQOO 15T is a bit better (65/100 vs 54/100).
battery
In the "battery" category, the Vivo iQOO 15T significantly outperforms the ASUS Zenfone 8 (75/100 vs 29/100).
portability
In the "portability" category, the ASUS Zenfone 8 notably outperforms the Vivo iQOO 15T (68/100 vs 44/100).
Frequently asked questions
Which is better: the ASUS Zenfone 8 or the Vivo iQOO 15T?
The Vivo iQOO 15T significantly outperforms the ASUS Zenfone 8 by 24 points (82/100 vs 58/100).
What is the rating of the ASUS Zenfone 8 and the Vivo iQOO 15T?
The ASUS Zenfone 8 has a MobileRank rating of 58/100, the Vivo iQOO 15T — 82/100.
Which has the better camera: the ASUS Zenfone 8 or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on camera score (65/100 vs 54/100).
Which is more powerful: the ASUS Zenfone 8 or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on performance (97/100 vs 64/100).
Should you choose the ASUS Zenfone 8 over the Vivo iQOO 15T?
The ASUS Zenfone 8 is a better fit for active users. The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.