Digma Optima 7018N 4G vs UMIDIGI Z2 Special Edition

Digma Optima 7018N 4G

UMIDIGI Z2 Special Edition

Network
2G network

GSM 900, 1800

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

HSDPA 1900

HSDPA 850, 900, 1700, 1900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 7(2600)

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
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE, Cat7, 301 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Aluminium alloy, glass
SIM

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

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

109 mm

153.4 mm
Width

190 mm

74.4 mm
Thickness

9.2 mm

8.3 mm
Weight

270 g

165 g
Colors

Black

Black, Blue, Purple

Main camera
Camera type

-

Dual
Main camera

2 MP

16 MP, f/1.7 , 1/2.8" , 1.12 µm
8 MP
Primary camera resolution

1600 x 1200 pixels

4672 x 3504 pixels
Primary camera video

720p@30fps

1080p@30fps
Primary camera flash

-

dual-LED flash
Primary camera phase detection autofocus

-

phase detection autofocus
Camera features

Continuous shooting, digital zoom, geotagging, HDR, scene mode

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 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth HID

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes