ASUS ROG Phone II ZS660KL vs Xiaomi Mi 9 Pro 5G

The ASUS ROG Phone II ZS660KL (2019) runs on the Qualcomm Snapdragon 855+, while the Xiaomi Mi 9 Pro 5G (2019) runs on the Qualcomm Snapdragon 855+. By overall MobileRank rating, the Xiaomi Mi 9 Pro 5G leads — 53/100 vs 52/100 (a 1-point difference). Key differences: the ASUS ROG Phone II ZS660KL has the bigger battery (6000 mAh vs 4000); the Xiaomi Mi 9 Pro 5G is noticeably lighter (196g vs 240g).

The Xiaomi Mi 9 Pro 5G edges out the ASUS ROG Phone II ZS660KL by just 1 points — the two devices are very close in overall level.

Profile comparison

Category scores

ASUS ROG Phone II ZS660KL

Performance 55
Display 79
Camera 39
Battery 53
Portability 20
Value for money 16

Xiaomi Mi 9 Pro 5G

Performance 55
Display 83
Camera 44
Battery 38
Portability 56
Value for money —

What makes ASUS ROG Phone II ZS660KL better?

  • Bigger battery: 6000 vs 4000 mAh

  • Longer battery life (53/100 vs 38/100)

What makes Xiaomi Mi 9 Pro 5G better?

  • Faster charging: 40W vs 30W
  • Lighter: 196g vs 240g

  • Better camera (44/100 vs 39/100)
  • Better display (83/100 vs 79/100)
  • Better portability (56/100 vs 20/100)

Comparison verdict

Comparing the ASUS ROG Phone II ZS660KL vs the Xiaomi Mi 9 Pro 5G, the Xiaomi Mi 9 Pro 5G scores 1 points higher (53/100 vs 52/100). In the "battery" category, the ASUS ROG Phone II ZS660KL leads (53/100 vs 38/100). In the "performance" category, both devices are on the same level — 55/100. In the "display" category, the Xiaomi Mi 9 Pro 5G and the ASUS ROG Phone II ZS660KL are nearly equal (83/100 vs 79/100). In the "camera" category, the Xiaomi Mi 9 Pro 5G is a bit better (44/100 vs 39/100). In the "battery" category, the ASUS ROG Phone II ZS660KL notably outperforms the Xiaomi Mi 9 Pro 5G (53/100 vs 38/100). In the "portability" category, the Xiaomi Mi 9 Pro 5G significantly outperforms the ASUS ROG Phone II ZS660KL (56/100 vs 20/100).

Specs comparison

Specification ASUS ROG Phone II ZS660KL Xiaomi Mi 9 Pro 5G
Processor Qualcomm Snapdragon 855+ Qualcomm Snapdragon 855+
AnTuTu 859084 859084
Geekbench Single 1031 1031
Geekbench Multi 2864 2864
Display 6.6" AMOLED 6.4" Super AMOLED
Resolution 1080x2340 1080x2340
Refresh rate 120 Hz —
Battery 6000 mAh 4000 mAh
Charging 30W 40W
Wireless charging 0W 30W
Main camera 48 MP 48 MP
Ultrawide 13 MP 16 MP
Telephoto 0 MP 12 MP
Front camera 24 MP 20 MP
RAM 8GB / 12GB 8GB / 12GB
Storage 128GB / 256GB / 512GB / 1TB 128GB / 256GB / 512GB
OS Android 9.0 / ROG UI Android 10
NFC yes yes
Dimensions 171.0×77.6×9.5 mm 157.2×74.6×8.5 mm
Weight 240 g 196 g
Launch price $899 —

Camera comparison

ASUS ROG Phone II ZS660KL

  • Main: 48MP f/1.8
  • Ultrawide: 13MP
  • Front: 24MP
39
camera

Xiaomi Mi 9 Pro 5G

  • Main: 48MP f/1.8
  • Ultrawide: 16MP
  • Telephoto: 12MP
  • Front: 20MP
44
camera

Display comparison

ASUS ROG Phone II ZS660KL

  • 6.6" AMOLED
  • Resolution: 1080x2340
  • Refresh rate: 120 Hz
79
display

Xiaomi Mi 9 Pro 5G

  • 6.4" Super AMOLED
  • Resolution: 1080x2340
  • Refresh rate: —
83
display

Battery and charging

ASUS ROG Phone II ZS660KL

  • 6000 mAh
  • Wired: 30W
  • No wireless charging
53
battery

Xiaomi Mi 9 Pro 5G

  • 4000 mAh
  • Wired: 40W
  • Wireless: 30W
38
battery

Overall performance score

We compared ASUS ROG Phone II ZS660KL and Xiaomi Mi 9 Pro 5G, covering their specs and all relevant benchmarks.

ASUS ROG Phone II ZS660KL Qualcomm Snapdragon 855+
52/100
859084 AnTuTu
Xiaomi Mi 9 Pro 5G Qualcomm Snapdragon 855+
53/100
859084 AnTuTu

Equal performance based on benchmark results.

Benchmarks

Launch prices and where to check today's

ASUS ROG Phone II ZS660KL

$899

Xiaomi Mi 9 Pro 5G

Price unknown

Detailed category analysis

performance

In the "performance" category, both devices are on the same level — 55/100.

display

In the "display" category, the Xiaomi Mi 9 Pro 5G and the ASUS ROG Phone II ZS660KL are nearly equal (83/100 vs 79/100).

camera

In the "camera" category, the Xiaomi Mi 9 Pro 5G is a bit better (44/100 vs 39/100).

battery

In the "battery" category, the ASUS ROG Phone II ZS660KL notably outperforms the Xiaomi Mi 9 Pro 5G (53/100 vs 38/100).

portability

In the "portability" category, the Xiaomi Mi 9 Pro 5G significantly outperforms the ASUS ROG Phone II ZS660KL (56/100 vs 20/100).

Frequently asked questions

Which is better: the ASUS ROG Phone II ZS660KL or the Xiaomi Mi 9 Pro 5G?

The Xiaomi Mi 9 Pro 5G edges out the ASUS ROG Phone II ZS660KL by just 1 points — the two devices are very close in overall level.

What is the rating of the ASUS ROG Phone II ZS660KL and the Xiaomi Mi 9 Pro 5G?

The ASUS ROG Phone II ZS660KL has a MobileRank rating of 52/100, the Xiaomi Mi 9 Pro 5G — 53/100.

Which has the better camera: the ASUS ROG Phone II ZS660KL or the Xiaomi Mi 9 Pro 5G?

The Xiaomi Mi 9 Pro 5G leads on camera score (44/100 vs 39/100).

Should you choose the ASUS ROG Phone II ZS660KL over the Xiaomi Mi 9 Pro 5G?

Neither model stands out enough to recommend it for a specific use case: the clearest difference is portability — better on the Xiaomi Mi 9 Pro 5G (56/100 vs 20/100).