ASUS ROG Phone II ZS660KL vs Xiaomi 18 Pro Max
The ASUS ROG Phone II ZS660KL (2019) runs on the Qualcomm Snapdragon 855+, while the Xiaomi 18 Pro Max (2026) runs on the Qualcomm Snapdragon 8 Elite Extreme Gen 6; launch prices were $899 and $986. By overall MobileRank rating, the Xiaomi 18 Pro Max leads — 92/100 vs 52/100 (a 40-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 6000); the main camera is 48 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 859,084); the Xiaomi 18 Pro Max is thinner (8.4mm vs 9.5mm).
Profile comparison
Category scores
ASUS ROG Phone II ZS660KL
Xiaomi 18 Pro Max
What makes ASUS ROG Phone II ZS660KL better?
- Cheaper at launch: $899 vs $986
- Overall rating 52/100
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 859084
- Better Geekbench Single: 4327 vs 1031
- Better Geekbench Multi: 12873 vs 2864
- Bigger battery: 8500 vs 6000 mAh
- Faster charging: 100W vs 30W
- Better main camera: 200MP vs 48MP
- Lighter: 235g vs 240g
- Higher performance (100/100 vs 55/100)
- Better camera (100/100 vs 39/100)
- Longer battery life (92/100 vs 53/100)
- Better display (82/100 vs 79/100)
- Better portability (33/100 vs 20/100)
Comparison verdict
Comparing the ASUS ROG Phone II ZS660KL vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 40 points higher (92/100 vs 52/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 55/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 39/100). In the "battery" category, the Xiaomi 18 Pro Max leads (92/100 vs 53/100). Value score: ASUS ROG Phone II ZS660KL — 16/100, Xiaomi 18 Pro Max — 96/100; 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 Xiaomi 18 Pro Max significantly outperforms the ASUS ROG Phone II ZS660KL (100/100 vs 55/100). In the "display" category, the Xiaomi 18 Pro Max and the ASUS ROG Phone II ZS660KL are nearly equal (82/100 vs 79/100). In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the ASUS ROG Phone II ZS660KL (100/100 vs 39/100). In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the ASUS ROG Phone II ZS660KL (92/100 vs 53/100). In the "portability" category, the Xiaomi 18 Pro Max is a bit better (33/100 vs 20/100).
Specs comparison
| Specification | ASUS ROG Phone II ZS660KL | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 859084 | 5001234 | |
| Geekbench Single | 1031 | 4327 | |
| Geekbench Multi | 2864 | 12873 | |
| Display | 6.6" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1080x2340 | 1208x2624 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 8500 mAh | |
| Charging | 30W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 0 MP | 200 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 17 | |
| Brightness (peak) | — | 4000 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 171.0×77.6×9.5 mm | 163.4×77.6×8.4 mm | |
| Weight | 240 g | 235 g | |
| Launch price | $899 | $986 |
Camera comparison
ASUS ROG Phone II ZS660KL
- Main: 48MP f/1.8
- Ultrawide: 13MP
- Front: 24MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
ASUS ROG Phone II ZS660KL
- 6.6" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
ASUS ROG Phone II ZS660KL
- 6000 mAh
- Wired: 30W
- No wireless charging
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared ASUS ROG Phone II ZS660KL and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads ASUS ROG Phone II ZS660KL by 82.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $87. ASUS ROG Phone II ZS660KL was $87 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the ASUS ROG Phone II ZS660KL (100/100 vs 55/100).
display
In the "display" category, the Xiaomi 18 Pro Max and the ASUS ROG Phone II ZS660KL are nearly equal (82/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the ASUS ROG Phone II ZS660KL (100/100 vs 39/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the ASUS ROG Phone II ZS660KL (92/100 vs 53/100).
portability
In the "portability" category, the Xiaomi 18 Pro Max is a bit better (33/100 vs 20/100).
Frequently asked questions
Which is better: the ASUS ROG Phone II ZS660KL or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max significantly outperforms the ASUS ROG Phone II ZS660KL by 40 points (92/100 vs 52/100).
What is the rating of the ASUS ROG Phone II ZS660KL and the Xiaomi 18 Pro Max?
The ASUS ROG Phone II ZS660KL has a MobileRank rating of 52/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the ASUS ROG Phone II ZS660KL or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 39/100).
Which is more powerful: the ASUS ROG Phone II ZS660KL or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on performance (100/100 vs 55/100).
Should you choose the ASUS ROG Phone II ZS660KL over the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.