ASUS ROG Phone II ZS660KL vs OnePlus 15s
The ASUS ROG Phone II ZS660KL (2019) runs on the Qualcomm Snapdragon 855+, while the OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $899 and $700. By overall MobileRank rating, the OnePlus 15s leads — 83/100 vs 52/100 (a 31-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 6000); the main camera is 48 MP vs 50 MP; the OnePlus 15s is faster in AnTuTu (3,950,082 vs 859,084); the OnePlus 15s is noticeably lighter (195g vs 240g).
Profile comparison
Category scores
ASUS ROG Phone II ZS660KL
OnePlus 15s
What makes ASUS ROG Phone II ZS660KL better?
- Overall rating 52/100
What makes OnePlus 15s better?
- Higher AnTuTu: 3950082 vs 859084
- Better Geekbench Single: 3639 vs 1031
- Better Geekbench Multi: 11047 vs 2864
- Bigger battery: 7500 vs 6000 mAh
- Faster charging: 100W vs 30W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 195g vs 240g
- Cheaper at launch: $700 vs $899
- Higher performance (98/100 vs 55/100)
- Better camera (53/100 vs 39/100)
- Longer battery life (89/100 vs 53/100)
- Better display (95/100 vs 79/100)
- Better portability (64/100 vs 20/100)
Comparison verdict
Comparing the ASUS ROG Phone II ZS660KL vs the OnePlus 15s, the OnePlus 15s scores 31 points higher (83/100 vs 52/100). In the "performance" category, the OnePlus 15s leads (98/100 vs 55/100). In the "camera" category, the OnePlus 15s leads (53/100 vs 39/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 53/100). Value score: ASUS ROG Phone II ZS660KL — 16/100, OnePlus 15s — 80/100; 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 OnePlus 15s significantly outperforms the ASUS ROG Phone II ZS660KL (98/100 vs 55/100). In the "display" category, the OnePlus 15s notably outperforms the ASUS ROG Phone II ZS660KL (95/100 vs 79/100). In the "camera" category, the OnePlus 15s is a bit better (53/100 vs 39/100). In the "battery" category, the OnePlus 15s significantly outperforms the ASUS ROG Phone II ZS660KL (89/100 vs 53/100). In the "portability" category, the OnePlus 15s significantly outperforms the ASUS ROG Phone II ZS660KL (64/100 vs 20/100).
Specs comparison
| Specification | ASUS ROG Phone II ZS660KL | OnePlus 15s | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 859084 | 3950082 | |
| Geekbench Single | 1031 | 3639 | |
| Geekbench Multi | 2864 | 11047 | |
| Display | 6.6" AMOLED | 6.3" AMOLED | |
| Resolution | 1080x2340 | 2640x1216 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 6000 mAh | 7500 mAh | |
| Charging | 30W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 13 MP | 0 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 24 MP | 16 MP | |
| RAM | 8GB / 12GB | 12GB | |
| Storage | 128GB / 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 9.0 / ROG UI | Android 16 | |
| NFC | yes | — | |
| Dimensions | 171.0×77.6×9.5 mm | — | |
| Weight | 240 g | 195 g | |
| Launch price | $899 | $700 |
Camera comparison
ASUS ROG Phone II ZS660KL
- Main: 48MP f/1.8
- Ultrawide: 13MP
- Front: 24MP
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Display comparison
ASUS ROG Phone II ZS660KL
- 6.6" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Battery and charging
ASUS ROG Phone II ZS660KL
- 6000 mAh
- Wired: 30W
- No wireless charging
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared ASUS ROG Phone II ZS660KL and OnePlus 15s, covering their specs and all relevant benchmarks.
OnePlus 15s leads ASUS ROG Phone II ZS660KL by 78.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $199. OnePlus 15s was $199 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15s significantly outperforms the ASUS ROG Phone II ZS660KL (98/100 vs 55/100).
display
In the "display" category, the OnePlus 15s notably outperforms the ASUS ROG Phone II ZS660KL (95/100 vs 79/100).
camera
In the "camera" category, the OnePlus 15s is a bit better (53/100 vs 39/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the ASUS ROG Phone II ZS660KL (89/100 vs 53/100).
portability
In the "portability" category, the OnePlus 15s significantly outperforms the ASUS ROG Phone II ZS660KL (64/100 vs 20/100).
Frequently asked questions
Which is better: the ASUS ROG Phone II ZS660KL or the OnePlus 15s?
The OnePlus 15s significantly outperforms the ASUS ROG Phone II ZS660KL by 31 points (83/100 vs 52/100).
What is the rating of the ASUS ROG Phone II ZS660KL and the OnePlus 15s?
The ASUS ROG Phone II ZS660KL has a MobileRank rating of 52/100, the OnePlus 15s — 83/100.
Which has the better camera: the ASUS ROG Phone II ZS660KL or the OnePlus 15s?
The OnePlus 15s leads on camera score (53/100 vs 39/100).
Which is more powerful: the ASUS ROG Phone II ZS660KL or the OnePlus 15s?
The OnePlus 15s leads on performance (98/100 vs 55/100).
Should you choose the ASUS ROG Phone II ZS660KL over the OnePlus 15s?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.