ASUS ROG Phone II ZS660KL vs Vivo iQOO 15 Ultra
The ASUS ROG Phone II ZS660KL (2019) runs on the Qualcomm Snapdragon 855+, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $899 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 52/100 (a 37-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6000); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 859,084).
Profile comparison
Category scores
ASUS ROG Phone II ZS660KL
Vivo iQOO 15 Ultra
What makes ASUS ROG Phone II ZS660KL better?
- Overall rating 52/100
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 859084
- Better Geekbench Single: 3639 vs 1031
- Better Geekbench Multi: 11047 vs 2864
- Bigger battery: 7400 vs 6000 mAh
- Faster charging: 120W vs 30W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 227g vs 240g
- Cheaper at launch: $799 vs $899
- Higher performance (99/100 vs 55/100)
- Better camera (78/100 vs 39/100)
- Longer battery life (92/100 vs 53/100)
- Better display (99/100 vs 79/100)
- Better portability (35/100 vs 20/100)
Comparison verdict
Comparing the ASUS ROG Phone II ZS660KL vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 37 points higher (89/100 vs 52/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 39/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 53/100). Value score: ASUS ROG Phone II ZS660KL — 16/100, Vivo iQOO 15 Ultra — 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 iQOO 15 Ultra significantly outperforms the ASUS ROG Phone II ZS660KL (99/100 vs 55/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the ASUS ROG Phone II ZS660KL (99/100 vs 79/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS ROG Phone II ZS660KL (78/100 vs 39/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS ROG Phone II ZS660KL (92/100 vs 53/100). In the "portability" category, the Vivo iQOO 15 Ultra notably outperforms the ASUS ROG Phone II ZS660KL (35/100 vs 20/100).
Specs comparison
| Specification | ASUS ROG Phone II ZS660KL | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 859084 | 4602290 | |
| Geekbench Single | 1031 | 3639 | |
| Geekbench Multi | 2864 | 11047 | |
| Display | 6.6" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 6000 mAh | 7400 mAh | |
| Charging | 30W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 24 MP | 32 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 / ROG UI | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 171.0×77.6×9.5 mm | 163.7×76.8×8.7 mm | |
| Weight | 240 g | 227 g | |
| Launch price | $899 | $799 |
Camera comparison
ASUS ROG Phone II ZS660KL
- Main: 48MP f/1.8
- Ultrawide: 13MP
- Front: 24MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
ASUS ROG Phone II ZS660KL
- 6.6" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
ASUS ROG Phone II ZS660KL
- 6000 mAh
- Wired: 30W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared ASUS ROG Phone II ZS660KL and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads ASUS ROG Phone II ZS660KL by 81.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $100. Vivo iQOO 15 Ultra was $100 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS ROG Phone II ZS660KL (99/100 vs 55/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the ASUS ROG Phone II ZS660KL (99/100 vs 79/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS ROG Phone II ZS660KL (78/100 vs 39/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the ASUS ROG Phone II ZS660KL (92/100 vs 53/100).
portability
In the "portability" category, the Vivo iQOO 15 Ultra notably outperforms the ASUS ROG Phone II ZS660KL (35/100 vs 20/100).
Frequently asked questions
Which is better: the ASUS ROG Phone II ZS660KL or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra 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 iQOO 15 Ultra?
The ASUS ROG Phone II ZS660KL has a MobileRank rating of 52/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the ASUS ROG Phone II ZS660KL or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 39/100).
Which is more powerful: the ASUS ROG Phone II ZS660KL or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 55/100).
Should you choose the ASUS ROG Phone II ZS660KL over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.