Asus Zenfone 5z ZS620KL vs ZTE nubia X

Asus Zenfone 5z ZS620KL

ZTE nubia X

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

-

LTE-A (6CA), Cat18, 1200 Mbps download, 150 Mbps upload
LTE-A speed

LTE-A, (5CA) Cat18, 1200 Mbps download, 100 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD capacitive touchscreen

LTPS IPS LCD capacitive touchscreen
Physical size

6.2 inches

6.26 inches
Resolution

1080 x 2246 pixels

1080 x 2280 pixels
Pixel density

402 ppi

403 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3, LTPS(Low temperature PolySilicon)
Multitouch

Yes, max 10 fingers

Yes
Secondary screen resolution

-

720 x 1520 pixels
Secondary screen physical size

-

5.1 inches
Secondary display

-

OLED
Secondary display protection

-

Corning Gorilla Glass 3

Hardware
CPU

Octa-core

Octa-core
CPU

Quad-core 2.7 GHz Kryo 385 Gold

Quad-core 2.65 GHz Kryo 385 Gold
CPU(second)

quad-core 1.7 GHz Kryo 385 Silver

quad-core 1.8 GHz Kryo 385 Silver
Chipset

Qualcomm SDM845 Snapdragon 845

Qualcomm SDM845 Snapdragon 845
GPU

Adreno 630

Adreno 630
Memory RAM

4, 6, 8 GB

6, 8 GB
Internal storage

64, 128, 256 GB

64, 128, 256 GB
Memory card

microSD(uses second SIM slot)

-
Memory card max

400 GB

-

Main camera
Camera type

Dual

Dual
Main camera

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

24 MP, f/1.8
8 MP, f/2.0 , 12 mm, 1/4" , 1.12 µm

24 MP, f/1.7
Primary camera resolution

-

4608 x 3456 pixels
Primary camera video

2160p@60fps, 1080p@30/60/120fps, 720p@240fps

2160p@30fps, 1080p@30fps
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

dual-LED (dual tone) flash

dual-LED flash
Electronic image stabilization

EIS (gyro)

-
Primary camera phase detection autofocus

-

phase detection autofocus
Camera features

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

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

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 1.0 reversible connector

Type-C 1.0 reversible connector
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

-

Yes
BDS

Yes

-

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
Sensors

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity

Accelerometer, compass, dual fingerprint, gyro, light, proximity