ASUS ROG Phone II ZS660KL vs Xiaomi Mi Mix Alpha

The ASUS ROG Phone II ZS660KL (2019) runs on the Qualcomm Snapdragon 855+, while the Xiaomi Mi Mix Alpha (2019) runs on the Qualcomm Snapdragon 855+. Both devices score the same overall rating of 52/100. Key differences: the ASUS ROG Phone II ZS660KL has the bigger battery (6000 mAh vs 4050); the main camera is 48 MP vs 108 MP; the ASUS ROG Phone II ZS660KL has NFC for contactless payments, the Xiaomi Mi Mix Alpha doesn't.

Both devices scored the same rating of 52/100 — the choice comes down to your priorities.

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 Mix Alpha

Performance 55
Display 80
Camera 56
Battery 27
Portability 20
Value for money —

What makes ASUS ROG Phone II ZS660KL better?

  • Bigger battery: 6000 vs 4050 mAh
  • Lighter: 240g vs 241g

  • Longer battery life (53/100 vs 27/100)

What makes Xiaomi Mi Mix Alpha better?

  • Faster charging: 40W vs 30W
  • Better main camera: 108MP vs 48MP

  • Better camera (56/100 vs 39/100)
  • Better display (80/100 vs 79/100)

Comparison verdict

The ASUS ROG Phone II ZS660KL and the Xiaomi Mi Mix Alpha received the same MobileRank rating — 52/100. In the "camera" category, the Xiaomi Mi Mix Alpha leads (56/100 vs 39/100). In the "battery" category, the ASUS ROG Phone II ZS660KL leads (53/100 vs 27/100). In the "performance" category, both devices are on the same level — 55/100. In the "display" category, the Xiaomi Mi Mix Alpha and the ASUS ROG Phone II ZS660KL are nearly equal (80/100 vs 79/100). In the "camera" category, the Xiaomi Mi Mix Alpha notably outperforms the ASUS ROG Phone II ZS660KL (56/100 vs 39/100). In the "battery" category, the ASUS ROG Phone II ZS660KL notably outperforms the Xiaomi Mi Mix Alpha (53/100 vs 27/100). In the "portability" category, both devices are on the same level — 20/100.

Specs comparison

Specification ASUS ROG Phone II ZS660KL Xiaomi Mi Mix Alpha
Processor Qualcomm Snapdragon 855+ Qualcomm Snapdragon 855+
AnTuTu 859084 859084
Geekbench Single 1031 1031
Geekbench Multi 2864 2864
Display 6.6" AMOLED 7.9" Flexible Super AMOLED
Resolution 1080x2340 2088x2250
Refresh rate 120 Hz —
Battery 6000 mAh 4050 mAh
Charging 30W 40W
Main camera 48 MP 108 MP
Ultrawide 13 MP 20 MP
Telephoto 0 MP 12 MP
Front camera 24 MP —
RAM 8GB / 12GB 12GB
Storage 128GB / 256GB / 512GB / 1TB 512GB
OS Android 9.0 / ROG UI Android 10
NFC yes no
Dimensions 171.0×77.6×9.5 mm 154.4×72.3×10.4 mm
Weight 240 g 241 g
Launch price $899 —

Camera comparison

ASUS ROG Phone II ZS660KL

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

Xiaomi Mi Mix Alpha

  • Main: 108MP f/1.7
  • Ultrawide: 20MP
  • Telephoto: 12MP
  • Front: —
56
camera

Display comparison

ASUS ROG Phone II ZS660KL

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

Xiaomi Mi Mix Alpha

  • 7.9" Flexible Super AMOLED
  • Resolution: 2088x2250
  • Refresh rate: —
80
display

Battery and charging

ASUS ROG Phone II ZS660KL

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

Xiaomi Mi Mix Alpha

  • 4050 mAh
  • Wired: 40W
  • No wireless charging
27
battery

Overall performance score

We compared ASUS ROG Phone II ZS660KL and Xiaomi Mi Mix Alpha, covering their specs and all relevant benchmarks.

ASUS ROG Phone II ZS660KL Qualcomm Snapdragon 855+
52/100
859084 AnTuTu
Xiaomi Mi Mix Alpha Qualcomm Snapdragon 855+
52/100
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 Mix Alpha

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 Mix Alpha and the ASUS ROG Phone II ZS660KL are nearly equal (80/100 vs 79/100).

camera

In the "camera" category, the Xiaomi Mi Mix Alpha notably outperforms the ASUS ROG Phone II ZS660KL (56/100 vs 39/100).

battery

In the "battery" category, the ASUS ROG Phone II ZS660KL notably outperforms the Xiaomi Mi Mix Alpha (53/100 vs 27/100).

portability

In the "portability" category, both devices are on the same level — 20/100.

Frequently asked questions

Which is better: the ASUS ROG Phone II ZS660KL or the Xiaomi Mi Mix Alpha?

Both devices scored 52/100. They are identical on performance — 55/100 for both. The clearest difference is battery life: better on the ASUS ROG Phone II ZS660KL (53/100 vs 27/100).

What is the rating of the ASUS ROG Phone II ZS660KL and the Xiaomi Mi Mix Alpha?

The ASUS ROG Phone II ZS660KL has a MobileRank rating of 52/100, the Xiaomi Mi Mix Alpha — 52/100.

Which has the better camera: the ASUS ROG Phone II ZS660KL or the Xiaomi Mi Mix Alpha?

The Xiaomi Mi Mix Alpha leads on camera score (56/100 vs 39/100).

Should you choose the ASUS ROG Phone II ZS660KL over the Xiaomi Mi Mix Alpha?

Neither model stands out enough to recommend it for a specific use case: the clearest difference is battery life — better on the ASUS ROG Phone II ZS660KL (53/100 vs 27/100).