Asus ROG Phone ZS600KL vs Posh Icon HD X551

Posh Icon HD X551

Asus ROG Phone ZS600KL

Posh Icon HD X551

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA - B version

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100

HSDPA 850, 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

-
HSDPA speed

42.2 Mbps

21.1 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

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

-
GPRS

Yes

Yes
EDGE

GPRS

Yes

Design
Build

Glass, Metal

-
SIM

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

Dual SIM (Micro-SIM/ Mini-SIM, dual stand-by)
Height

158.83 mm

153.2 mm
Width

76.16 mm

79 mm
Thickness

8.65 mm

8.2 mm
Weight

200 g

115 g
Colors

Gray

Dark Grey, Gold, Rose Gold, Silver, White

Display
Display type

AMOLED capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

6 inches

5.5 inches
Resolution

1080 x 2160 pixels

720 x 1280 pixels
Pixel density

402 ppi

267 ppi
Display colors

16777216

16777216
Protection

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

-
Multitouch

Yes

Yes, max 5 fingers
Display features

Bluelight filter, HDR, DCI-P3 108.6%

-

OS
OS

ROG Gaming X UI (Android 8.1 Oreo, Android 9.0 Pie)

Android OS, v5.1 (Lollipop)

Main camera
Camera type

Dual

-
Main camera

12 MP, f/1.8 , 24 mm, 1/2.55" , 1.4 µm

8 MP
8 MP, f/2.0 , 12 mm
Primary camera resolution

4000 x 3000 pixels

-
Primary camera video

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

1080p@30fps
Primary camera Autofocus

-

autofocus
Primary camera flash

dual-LED flash

LED flash
Primary camera phase detection autofocus

phase detection autofocus

-
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

Geo-tagging, HDR, face detection, panorama, touch focus

Connectivity
WLAN

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

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

-
WLAN DLNA

-

Yes
USB

Type-C 1.0 reversible connector

microUSB 2.0
Bluetooth

v5.0

v4.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
Bluetooth EDR

-

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
Beidou

Yes

-

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Mail

-

Push Mail
Java

-

No
Sensors

Accelerometer, compass, fingerprint, gyroscope, hall, light, proximity

Accelerometer, compass, proximity