Allview V4 Viper Pro vs UMIDIGI A13 Pro

Allview V4 Viper Pro

UMIDIGI A13 Pro

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

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

21.1 Mbps

21.1 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE Cat 4, 150 Mbps download, 50 Mbps upload

LTE, Cat6, 301 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

AG Glass, metal
SIM

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

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

171 mm

168 mm
Width

82 mm

75.68 mm
Thickness

8.8 mm

8.7 mm
Weight

191.6 g

207 g
Colors

Grey

Black, Blue, Gold

Main camera
Camera type

Dual

Triple
Main camera

13 MP

48 MP, (standard) , f/1.8 , 1/2" , 0.8 µm
0.3 MP

8 MP, (ultrawide) , f/2.2 , 120˚
(macro) , 5 MP, f/2.4
Primary camera resolution

-

8000 x 6000 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, macro-mode, phase detection autofocus, super night mode

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth HID

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

-

Yes