Asus ROG Phone II ZS660KL vs UMIDIGI S2 Pro

Asus ROG Phone II ZS660KL

UMIDIGI S2 Pro

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 28(700), 29(700), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 46

LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

-

LTE, Cat6, 301 Mbps download, 51 Mbps upload
LTE-A speed

LTE-A, (5CA) Cat18, 1200 Mbps download, 150 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front glass (Gorilla Glass 6), back glass, aluminum frame

Aluminium alloy
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM/Nano-SIM(microSD))
Height

171 mm

158.1 mm
Width

77.6 mm

74.6 mm
Thickness

9.5 mm

8.8 mm
Weight

240 g

186 g
Colors

Black

Black, Red

Display
Display type

AMOLED capacitive touchscreen

IPS capacitive touchscreen
Physical size

6.59 inches

6 inches
Resolution

1080 x 2340 pixels

1080 x 2160 pixels
Pixel density

391 ppi

402 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 6

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 4
Multitouch

Yes

Yes
Display features

DCI-P3 108%, HDR10, Always-on-display

-

Main camera
Camera type

Dual

Dual
Main camera

48 MP, f/1.79 , 26 mm, 1/2" , 0.8 µm

13 MP, 1.133 µm
13 MP, f/2.4 , 11 mm

5 MP
Primary camera resolution

8000 x 6000 pixels

4160 x 3120 pixels
Primary camera video

2160p@30/60fps, 1080p@30/60/240fps, 720p@480fps

2160@30fps
Primary camera flash

dual-LED flash

quad-LED flash
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene mode, RAW, phase detection

Autofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ad

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5 GHz
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C reversible connector
USB connector

Accessory connector

-
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v4.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
Bluetooth AptX

aptX HD

-
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, hall, light, proximity, in-display optical fingerprint sensor

Accelerometer, compass, fingerprint, hall, light, proximity