ASUS ROG Phone II ZS660KL vs Xiaomi 18 Fold

The ASUS ROG Phone II ZS660KL (2019) runs on the Qualcomm Snapdragon 855+, while the Xiaomi 18 Fold (2026) runs on the Xiaomi XRING O3; launch prices were $899 and $1639. By overall MobileRank rating, the Xiaomi 18 Fold leads — 86/100 vs 52/100 (a 34-point difference). Key differences: the main camera is 48 MP vs 200 MP; the Xiaomi 18 Fold is faster in AnTuTu (5,228,014 vs 859,084); the Xiaomi 18 Fold is noticeably lighter (219g vs 240g).

The Xiaomi 18 Fold significantly outperforms the ASUS ROG Phone II ZS660KL by 34 points (86/100 vs 52/100).

Profile comparison

Category scores

ASUS ROG Phone II ZS660KL

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

Xiaomi 18 Fold

Performance 99
Display 79
Camera 85
Battery 75
Portability 64
Value for money 80

What makes ASUS ROG Phone II ZS660KL better?

  • Cheaper at launch: $899 vs $1639

  • Overall rating 52/100

What makes Xiaomi 18 Fold better?

  • Higher AnTuTu: 5228014 vs 859084
  • Better Geekbench Single: 3715 vs 1031
  • Better Geekbench Multi: 14213 vs 2864
  • Faster charging: 67W vs 30W
  • Better main camera: 200MP vs 48MP
  • Lighter: 219g vs 240g

  • Higher performance (99/100 vs 55/100)
  • Better camera (85/100 vs 39/100)
  • Longer battery life (75/100 vs 53/100)
  • Better portability (64/100 vs 20/100)

Comparison verdict

Comparing the ASUS ROG Phone II ZS660KL vs the Xiaomi 18 Fold, the Xiaomi 18 Fold scores 34 points higher (86/100 vs 52/100). In the "performance" category, the Xiaomi 18 Fold leads (99/100 vs 55/100). In the "camera" category, the Xiaomi 18 Fold leads (85/100 vs 39/100). In the "battery" category, the Xiaomi 18 Fold leads (75/100 vs 53/100). Value score: ASUS ROG Phone II ZS660KL — 16/100, Xiaomi 18 Fold — 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 Xiaomi 18 Fold significantly outperforms the ASUS ROG Phone II ZS660KL (99/100 vs 55/100). In the "display" category, both devices are on the same level — 79/100. In the "camera" category, the Xiaomi 18 Fold significantly outperforms the ASUS ROG Phone II ZS660KL (85/100 vs 39/100). In the "battery" category, the Xiaomi 18 Fold notably outperforms the ASUS ROG Phone II ZS660KL (75/100 vs 53/100). In the "portability" category, the Xiaomi 18 Fold significantly outperforms the ASUS ROG Phone II ZS660KL (64/100 vs 20/100).

Xiaomi 18 Fold: The Xiaomi 18 Fold is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification ASUS ROG Phone II ZS660KL Xiaomi 18 Fold
Processor Qualcomm Snapdragon 855+ Xiaomi XRING O3
AnTuTu 859084 5228014
Geekbench Single 1031 3715
Geekbench Multi 2864 14213
Display 6.6" AMOLED 7.6" LTPO AMOLED
Resolution 1080x2340 1672x2364
Refresh rate 120 Hz 120 Hz
Battery 6000 mAh 6000 mAh
Charging 30W 67W
Wireless charging 0W 50W
Main camera 48 MP 200 MP
Ultrawide 13 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 24 MP 16 MP
RAM 8GB / 12GB 12GB / 16GB
Storage 128GB / 256GB / 512GB / 1TB 256GB / 512GB / 1TB
OS Android 9.0 / ROG UI Android 16
Brightness (peak) — 4000 nits
NFC yes yes
Protection — IP59
Dimensions 171.0×77.6×9.5 mm 159.7×145.1×5.0 mm
Weight 240 g 219 g
Launch price $899 $1639

Camera comparison

ASUS ROG Phone II ZS660KL

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

Xiaomi 18 Fold

  • Main: 200MP f/1.7
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 16MP
85
camera

Display comparison

ASUS ROG Phone II ZS660KL

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

Xiaomi 18 Fold

  • 7.6" LTPO AMOLED
  • Resolution: 1672x2364
  • Refresh rate: 120 Hz
79
display

Battery and charging

ASUS ROG Phone II ZS660KL

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

Xiaomi 18 Fold

  • 6000 mAh
  • Wired: 67W
  • Wireless: 50W
75
battery

Overall performance score

We compared ASUS ROG Phone II ZS660KL and Xiaomi 18 Fold, covering their specs and all relevant benchmarks.

ASUS ROG Phone II ZS660KL Qualcomm Snapdragon 855+
52/100
859084 AnTuTu
Xiaomi 18 Fold Xiaomi XRING O3
86/100 +83.6%
5228014 AnTuTu

Xiaomi 18 Fold leads ASUS ROG Phone II ZS660KL by 83.6% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

ASUS ROG Phone II ZS660KL

$899

Xiaomi 18 Fold

$1639

Launch price difference: $740. ASUS ROG Phone II ZS660KL was $740 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Xiaomi 18 Fold significantly outperforms the ASUS ROG Phone II ZS660KL (99/100 vs 55/100).

display

In the "display" category, both devices are on the same level — 79/100.

camera

In the "camera" category, the Xiaomi 18 Fold significantly outperforms the ASUS ROG Phone II ZS660KL (85/100 vs 39/100).

battery

In the "battery" category, the Xiaomi 18 Fold notably outperforms the ASUS ROG Phone II ZS660KL (75/100 vs 53/100).

portability

In the "portability" category, the Xiaomi 18 Fold 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 Xiaomi 18 Fold?

The Xiaomi 18 Fold 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 Xiaomi 18 Fold?

The ASUS ROG Phone II ZS660KL has a MobileRank rating of 52/100, the Xiaomi 18 Fold — 86/100.

Which has the better camera: the ASUS ROG Phone II ZS660KL or the Xiaomi 18 Fold?

The Xiaomi 18 Fold leads on camera score (85/100 vs 39/100).

Which is more powerful: the ASUS ROG Phone II ZS660KL or the Xiaomi 18 Fold?

The Xiaomi 18 Fold leads on performance (99/100 vs 55/100).

Should you choose the ASUS ROG Phone II ZS660KL over the Xiaomi 18 Fold?

The Xiaomi 18 Fold is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.