Ulefone X vs ZTE nubia M2

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800)

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

-

42.2 Mbps
HSUPA speed

-

11.5 Mbps
LTE speed

LTE, Cat7 301 Mbps download, 102 Mbps upload

LTE, Cat4, 150 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Dual

Dual
Main camera

13 MP, f/2.2

13 MP, f/2.2
5 MP

13 MP
Interpolated resolution

16 MP

-
Primary camera resolution

4160 x 3120 pixels

-
Primary camera video

1080p@30fps

2160p@30fps
Primary camera Autofocus

-

autofocus
Primary camera flash

dual-LED flash

dual-LED (dual tone) flash
Primary camera phase detection autofocus

phase detection autofocus

-
Camera features

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

1.25 µm pixel size, 1/2.9" sensor size, HDR, face detection, geo-tagging, panorama, touch focus

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

microUSB 2.0

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

Yes

Yes
Bluetooth

v4.0

v4.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

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 Mail

-

Push Mail
Java

-

No
Sensors

Accelerometer, compass, gyroscope, fingerprint, light, proximity

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