Allview V4 Viper vs UMIDIGI A7 Pro

Allview V4 Viper

UMIDIGI A7 Pro

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

W-CDMA 900, 2100

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

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 38(2600)

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66
HSDPA speed

42.2 Mbps

-
HSUPA speed

11.5 Mbps

-
LTE speed

LTE Cat 4, 150 Mbps download, 50 Mbps upload

LTE Cat 6, 301 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Metal, plastic
SIM

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

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

145.8 mm

158.7 mm
Width

70.9 mm

74.9 mm
Thickness

8.5 mm

8.5 mm
Weight

138 g

-
Colors

Blue, Red

Black, Blue

Main camera
Camera type

Dual

Quad
Main camera

8 MP

16 MP, f/1.8 , 0.26" , 1.132 µm
0.3 MP

8 MP, 1/4" , 1.12 µm
5 MP
5 MP
Primary camera resolution

-

4608 x 3456 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

LED flash

dual LED flash
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, phase detection autofocus

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

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

-

Yes
Bluetooth

v4.1

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth HID

-

Yes
bluetooth LE

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

-

Yes