ASUS Zenfone 8 vs Vivo X300 Ultra
The ASUS Zenfone 8 (2021) runs on the Qualcomm Snapdragon 888, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $599 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 58/100 (a 33-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 4000); the main camera is 64 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 1,135,878); per DXOMark lab testing, the Vivo X300 Ultra has the stronger camera (170 vs 116); the ASUS Zenfone 8 is noticeably lighter (169g vs 230g).
Profile comparison
Category scores
ASUS Zenfone 8
Vivo X300 Ultra
What makes ASUS Zenfone 8 better?
- Lighter: 169g vs 230g
- Cheaper at launch: $599 vs $950
- Better portability (68/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 1135878
- Better Geekbench Single: 3639 vs 1500
- Better Geekbench Multi: 11047 vs 3537
- Bigger battery: 7000 vs 4000 mAh
- Faster charging: 100W vs 30W
- Better main camera: 200MP vs 64MP
- Higher performance (99/100 vs 64/100)
- Better camera (96/100 vs 54/100)
- Longer battery life (85/100 vs 29/100)
- Better display (89/100 vs 84/100)
Comparison verdict
Comparing the ASUS Zenfone 8 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 33 points higher (91/100 vs 58/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 64/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 54/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 29/100). Value score: ASUS Zenfone 8 — 30/100, Vivo X300 Ultra — 94/100; 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 X300 Ultra significantly outperforms the ASUS Zenfone 8 (99/100 vs 64/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 84/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 8 (96/100 vs 54/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 8 (85/100 vs 29/100). In the "portability" category, the ASUS Zenfone 8 notably outperforms the Vivo X300 Ultra (68/100 vs 39/100).
Specs comparison
| Specification | ASUS Zenfone 8 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1135878 | 4247433 | |
| Geekbench Single | 1500 | 3639 | |
| Geekbench Multi | 3537 | 11047 | |
| Display | 5.9" Super AMOLED | 6.8" LTPO OLED | |
| Resolution | 2400x1080 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4000 mAh | 7000 mAh | |
| Charging | 30W | 100W | |
| Wireless charging | — | 40W | |
| DXOMark (camera) | 116 | 170 | |
| Main camera | 64 MP | 200 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 12 MP | 32 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 | IP69 | |
| Dimensions | 148.0×68.5×8.9 mm | 163.0×76.8×8.2 mm | |
| Weight | 169 g | 230 g | |
| Launch price | $599 | $950 |
Camera comparison
ASUS Zenfone 8
- Main: 64MP f/1.8
- Ultrawide: 12MP
- Front: 12MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
ASUS Zenfone 8
- 5.9" Super AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 8
- 4000 mAh
- Wired: 30W
- Wireless charging: no data
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared ASUS Zenfone 8 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads ASUS Zenfone 8 by 73.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $351. ASUS Zenfone 8 was $351 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 8 (99/100 vs 64/100).
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 84/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 8 (96/100 vs 54/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 8 (85/100 vs 29/100).
portability
In the "portability" category, the ASUS Zenfone 8 notably outperforms the Vivo X300 Ultra (68/100 vs 39/100).
Frequently asked questions
Which is better: the ASUS Zenfone 8 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the ASUS Zenfone 8 by 33 points (91/100 vs 58/100).
What is the rating of the ASUS Zenfone 8 and the Vivo X300 Ultra?
The ASUS Zenfone 8 has a MobileRank rating of 58/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the ASUS Zenfone 8 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 54/100).
Which is more powerful: the ASUS Zenfone 8 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 64/100).
Should you choose the ASUS Zenfone 8 over the Vivo X300 Ultra?
The ASUS Zenfone 8 is a better fit for active users. The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.