UMIDIGI Z2 vs ZTE nubia Watch

UMIDIGI Z2

ZTE nubia Watch

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 800
3G network

HSDPA 850, 900, 1700, 1900, 2100

HSDPA 2100
4G network

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800), 39(1900); LTE-TDD 1900, 2300, 2500, 2600 MHz

LTE frequency band 1, 3, 38, 39, 40, 41
EV-DO speed

3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE, Cat7, 301 Mbps download, 102 Mbps upload

-
GPRS

Yes

-
EDGE

Yes

-

Design
Build

Aluminium alloy, glass

Plastic front (display), stainless steel 316L & aluminum alloy frame
SIM

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

eSIM
Height

153.4 mm

125 mm
Width

74.4 mm

41.5 mm
Thickness

8.3 mm

14.2 mm
Weight

165 g

98 g
Colors

Black, Blue

Black, Green, Red

Main camera
Camera type

Dual

-
Main camera

16 MP, f/2.0 , 1.0 µm
Primary camera

-

No
8 MP
Primary camera resolution

4608 x 3456 pixels

-
Primary camera video

2160p@30fps

-
Primary camera flash

dual-LED flash

-
Primary camera phase detection autofocus

phase detection autofocus

-
Camera features

Autofocus, continuous shooting, digital zoom, digital 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, 802.11n 5 GHz

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

Yes

-
WLAN WiFi Direct

Yes

-
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

Type-C reversible connector

No
USB On-The-Go

Yes

-
Bluetooth

v4.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth HID

Yes

-
bluetooth LE

-

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-