ASUS ROG Phone II ZS660KL vs Vivo X300s
The ASUS ROG Phone II ZS660KL (2019) runs on the Qualcomm Snapdragon 855+, while the Vivo X300s (2026) runs on the Dimensity 9500; launch prices were $899 and $723. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 52/100 (a 37-point difference). Key differences: the Vivo X300s has the bigger battery (7100 mAh vs 6000); the main camera is 48 MP vs 200 MP; the Vivo X300s is faster in AnTuTu (3,703,823 vs 859,084); the Vivo X300s is noticeably lighter (217g vs 240g).
Profile comparison
Category scores
ASUS ROG Phone II ZS660KL
Vivo X300s
What makes ASUS ROG Phone II ZS660KL better?
- Overall rating 52/100
What makes Vivo X300s better?
- Higher AnTuTu: 3703823 vs 859084
- Better Geekbench Single: 3293 vs 1031
- Better Geekbench Multi: 10243 vs 2864
- Bigger battery: 7100 vs 6000 mAh
- Faster charging: 90W vs 30W
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 217g vs 240g
- Cheaper at launch: $723 vs $899
- Higher performance (95/100 vs 55/100)
- Better camera (94/100 vs 39/100)
- Longer battery life (83/100 vs 53/100)
- Better display (94/100 vs 79/100)
- Better portability (42/100 vs 20/100)
Comparison verdict
Comparing the ASUS ROG Phone II ZS660KL vs the Vivo X300s, the Vivo X300s scores 37 points higher (89/100 vs 52/100). In the "performance" category, the Vivo X300s leads (95/100 vs 55/100). In the "camera" category, the Vivo X300s leads (94/100 vs 39/100). In the "battery" category, the Vivo X300s leads (83/100 vs 53/100). Value score: ASUS ROG Phone II ZS660KL — 16/100, Vivo X300s — 92/100; 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 X300s significantly outperforms the ASUS ROG Phone II ZS660KL (95/100 vs 55/100). In the "display" category, the Vivo X300s notably outperforms the ASUS ROG Phone II ZS660KL (94/100 vs 79/100). In the "camera" category, the Vivo X300s significantly outperforms the ASUS ROG Phone II ZS660KL (94/100 vs 39/100). In the "battery" category, the Vivo X300s significantly outperforms the ASUS ROG Phone II ZS660KL (83/100 vs 53/100). In the "portability" category, the Vivo X300s notably outperforms the ASUS ROG Phone II ZS660KL (42/100 vs 20/100).
Specs comparison
| Specification | ASUS ROG Phone II ZS660KL | Vivo X300s | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Dimensity 9500 | |
| AnTuTu | 859084 | 3703823 | |
| Geekbench Single | 1031 | 3293 | |
| Geekbench Multi | 2864 | 10243 | |
| Display | 6.6" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 2800x1260 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 6000 mAh | 7100 mAh | |
| Charging | 30W | 90W | |
| Wireless charging | 0W | 40W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 24 MP | 50 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 / ROG UI | Android 16 / OriginOS 6 | |
| NFC | yes | — | |
| Dimensions | 171.0×77.6×9.5 mm | — | |
| Weight | 240 g | 217 g | |
| Launch price | $899 | $723 |
Camera comparison
ASUS ROG Phone II ZS660KL
- Main: 48MP f/1.8
- Ultrawide: 13MP
- Front: 24MP
Vivo X300s
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
ASUS ROG Phone II ZS660KL
- 6.6" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Vivo X300s
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 144 Hz
Battery and charging
ASUS ROG Phone II ZS660KL
- 6000 mAh
- Wired: 30W
- No wireless charging
Vivo X300s
- 7100 mAh
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared ASUS ROG Phone II ZS660KL and Vivo X300s, covering their specs and all relevant benchmarks.
Vivo X300s leads ASUS ROG Phone II ZS660KL by 76.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $176. Vivo X300s was $176 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300s significantly outperforms the ASUS ROG Phone II ZS660KL (95/100 vs 55/100).
display
In the "display" category, the Vivo X300s notably outperforms the ASUS ROG Phone II ZS660KL (94/100 vs 79/100).
camera
In the "camera" category, the Vivo X300s significantly outperforms the ASUS ROG Phone II ZS660KL (94/100 vs 39/100).
battery
In the "battery" category, the Vivo X300s significantly outperforms the ASUS ROG Phone II ZS660KL (83/100 vs 53/100).
portability
In the "portability" category, the Vivo X300s notably outperforms the ASUS ROG Phone II ZS660KL (42/100 vs 20/100).
Frequently asked questions
Which is better: the ASUS ROG Phone II ZS660KL or the Vivo X300s?
The Vivo X300s significantly outperforms the ASUS ROG Phone II ZS660KL by 37 points (89/100 vs 52/100).
What is the rating of the ASUS ROG Phone II ZS660KL and the Vivo X300s?
The ASUS ROG Phone II ZS660KL has a MobileRank rating of 52/100, the Vivo X300s — 89/100.
Which has the better camera: the ASUS ROG Phone II ZS660KL or the Vivo X300s?
The Vivo X300s leads on camera score (94/100 vs 39/100).
Which is more powerful: the ASUS ROG Phone II ZS660KL or the Vivo X300s?
The Vivo X300s leads on performance (95/100 vs 55/100).
Should you choose the ASUS ROG Phone II ZS660KL over the Vivo X300s?
The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.