ASUS Zenfone 6 ZS630KL vs Vivo X300 Ultra
The ASUS Zenfone 6 ZS630KL (2019) runs on the Qualcomm Snapdragon 855, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $499 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 47/100 (a 44-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5000); the main camera is 48 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 824,513); the ASUS Zenfone 6 ZS630KL is noticeably lighter (190g vs 230g).
Profile comparison
Category scores
ASUS Zenfone 6 ZS630KL
Vivo X300 Ultra
What makes ASUS Zenfone 6 ZS630KL better?
- Lighter: 190g vs 230g
- Cheaper at launch: $499 vs $950
- Better portability (52/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 824513
- Better Geekbench Single: 3639 vs 968
- Better Geekbench Multi: 11047 vs 2731
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (99/100 vs 54/100)
- Better camera (96/100 vs 44/100)
- Longer battery life (85/100 vs 43/100)
- Better display (89/100 vs 43/100)
Comparison verdict
Comparing the ASUS Zenfone 6 ZS630KL vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 44 points higher (91/100 vs 47/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 54/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 44/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 43/100). Value score: ASUS Zenfone 6 ZS630KL — 16/100, 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 6 ZS630KL (99/100 vs 54/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (89/100 vs 43/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (96/100 vs 44/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (85/100 vs 43/100). In the "portability" category, the ASUS Zenfone 6 ZS630KL is a bit better (52/100 vs 39/100).
Specs comparison
| Specification | ASUS Zenfone 6 ZS630KL | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 824513 | 4247433 | |
| Geekbench Single | 968 | 3639 | |
| Geekbench Multi | 2731 | 11047 | |
| Display | 6.4" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 1080x2340 | 3168x1440 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 5000 mAh | 7000 mAh | |
| Charging | 18W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 48 MP | 32 MP | |
| RAM | 6GB / 8GB / 12GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 / ZenUI | Android 16 | |
| NFC | yes | yes | |
| Protection | — | IP69 | |
| Dimensions | 159.1×75.4×9.2 mm | 163.0×76.8×8.2 mm | |
| Weight | 190 g | 230 g | |
| Launch price | $499 | $950 |
Camera comparison
ASUS Zenfone 6 ZS630KL
- Main: 48MP f/1.8
- Ultrawide: 13MP
- Front: 48MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
ASUS Zenfone 6 ZS630KL
- 6.4" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 60 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 6 ZS630KL
- 5000 mAh
- Wired: 18W
- No wireless charging
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 6 ZS630KL and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads ASUS Zenfone 6 ZS630KL by 80.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $451. ASUS Zenfone 6 ZS630KL was $451 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (99/100 vs 54/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (89/100 vs 43/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (96/100 vs 44/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL (85/100 vs 43/100).
portability
In the "portability" category, the ASUS Zenfone 6 ZS630KL is a bit better (52/100 vs 39/100).
Frequently asked questions
Which is better: the ASUS Zenfone 6 ZS630KL or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the ASUS Zenfone 6 ZS630KL by 44 points (91/100 vs 47/100).
What is the rating of the ASUS Zenfone 6 ZS630KL and the Vivo X300 Ultra?
The ASUS Zenfone 6 ZS630KL has a MobileRank rating of 47/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the ASUS Zenfone 6 ZS630KL or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 44/100).
Which is more powerful: the ASUS Zenfone 6 ZS630KL or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 54/100).
Should you choose the ASUS Zenfone 6 ZS630KL over the Vivo X300 Ultra?
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.