ASUS ROG Phone II ZS660KL vs OnePlus 15T
The ASUS ROG Phone II ZS660KL (2019) runs on the Qualcomm Snapdragon 855+, while the OnePlus 15T (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $899 and $799. By overall MobileRank rating, the OnePlus 15T leads — 86/100 vs 52/100 (a 34-point difference). Key differences: the OnePlus 15T has the bigger battery (6400 mAh vs 6000); the main camera is 48 MP vs 50 MP; the OnePlus 15T is faster in AnTuTu (3,927,976 vs 859,084); the OnePlus 15T is noticeably lighter (206g vs 240g).
Profile comparison
Category scores
ASUS ROG Phone II ZS660KL
OnePlus 15T
What makes ASUS ROG Phone II ZS660KL better?
- Overall rating 52/100
What makes OnePlus 15T better?
- Higher AnTuTu: 3927976 vs 859084
- Better Geekbench Single: 3639 vs 1031
- Better Geekbench Multi: 11047 vs 2864
- Bigger battery: 6400 vs 6000 mAh
- Faster charging: 100W vs 30W
- Better main camera: 50MP vs 48MP
- Lighter: 206g vs 240g
- Cheaper at launch: $799 vs $899
- Higher performance (98/100 vs 55/100)
- Better camera (78/100 vs 39/100)
- Longer battery life (84/100 vs 53/100)
- Better display (89/100 vs 79/100)
- Better portability (51/100 vs 20/100)
Comparison verdict
Comparing the ASUS ROG Phone II ZS660KL vs the OnePlus 15T, the OnePlus 15T scores 34 points higher (86/100 vs 52/100). In the "performance" category, the OnePlus 15T leads (98/100 vs 55/100). In the "camera" category, the OnePlus 15T leads (78/100 vs 39/100). In the "battery" category, the OnePlus 15T leads (84/100 vs 53/100). Value score: ASUS ROG Phone II ZS660KL — 16/100, OnePlus 15T — 86/100; 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 15T significantly outperforms the ASUS ROG Phone II ZS660KL (98/100 vs 55/100). In the "display" category, the OnePlus 15T is a bit better (89/100 vs 79/100). In the "camera" category, the OnePlus 15T significantly outperforms the ASUS ROG Phone II ZS660KL (78/100 vs 39/100). In the "battery" category, the OnePlus 15T significantly outperforms the ASUS ROG Phone II ZS660KL (84/100 vs 53/100). In the "portability" category, the OnePlus 15T significantly outperforms the ASUS ROG Phone II ZS660KL (51/100 vs 20/100).
Specs comparison
| Specification | ASUS ROG Phone II ZS660KL | OnePlus 15T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 859084 | 3927976 | |
| Geekbench Single | 1031 | 3639 | |
| Geekbench Multi | 2864 | 11047 | |
| Display | 6.6" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 6400 mAh | |
| Charging | 30W | 100W | |
| 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 | |
| Storage | 128GB / 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 9.0 / ROG UI | Android 16 | |
| Brightness (peak) | — | 3600 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 171.0×77.6×9.5 mm | 150.6×71.8×8.4 mm | |
| Weight | 240 g | 206 g | |
| Launch price | $899 | $799 |
Camera comparison
ASUS ROG Phone II ZS660KL
- Main: 48MP f/1.8
- Ultrawide: 13MP
- Front: 24MP
OnePlus 15T
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
ASUS ROG Phone II ZS660KL
- 6.6" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
OnePlus 15T
- 6.8" LTPO AMOLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
ASUS ROG Phone II ZS660KL
- 6000 mAh
- Wired: 30W
- No wireless charging
OnePlus 15T
- 6400 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared ASUS ROG Phone II ZS660KL and OnePlus 15T, covering their specs and all relevant benchmarks.
OnePlus 15T leads ASUS ROG Phone II ZS660KL by 78.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $100. OnePlus 15T was $100 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15T significantly outperforms the ASUS ROG Phone II ZS660KL (98/100 vs 55/100).
display
In the "display" category, the OnePlus 15T is a bit better (89/100 vs 79/100).
camera
In the "camera" category, the OnePlus 15T significantly outperforms the ASUS ROG Phone II ZS660KL (78/100 vs 39/100).
battery
In the "battery" category, the OnePlus 15T significantly outperforms the ASUS ROG Phone II ZS660KL (84/100 vs 53/100).
portability
In the "portability" category, the OnePlus 15T significantly outperforms the ASUS ROG Phone II ZS660KL (51/100 vs 20/100).
Frequently asked questions
Which is better: the ASUS ROG Phone II ZS660KL or the OnePlus 15T?
The OnePlus 15T significantly outperforms the ASUS ROG Phone II ZS660KL by 34 points (86/100 vs 52/100).
What is the rating of the ASUS ROG Phone II ZS660KL and the OnePlus 15T?
The ASUS ROG Phone II ZS660KL has a MobileRank rating of 52/100, the OnePlus 15T — 86/100.
Which has the better camera: the ASUS ROG Phone II ZS660KL or the OnePlus 15T?
The OnePlus 15T leads on camera score (78/100 vs 39/100).
Which is more powerful: the ASUS ROG Phone II ZS660KL or the OnePlus 15T?
The OnePlus 15T leads on performance (98/100 vs 55/100).
Should you choose the ASUS ROG Phone II ZS660KL over the OnePlus 15T?
The OnePlus 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.