Allview V4 Viper vs ZTE nubia Z17 mini

Allview V4 Viper

ZTE nubia Z17 mini

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

W-CDMA 900, 2100

HSDPA 850, 900, 1900, 2100
4G network

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

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

42.2 Mbps

-
HSUPA speed

11.5 Mbps

-
HSPA speed

-

HSPA
LTE speed

LTE Cat 4, 150 Mbps download, 50 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Hardware
CPU

-

Octa-core
CPU

Quad-core 2.0 GHz Cortex-A53

Quad-core 1.95 GHz Cortex-A72
CPU(second)

quad-core 1.4 GHz Cortex-A53
Chipset

Mediatek MT6761 Helio A22

Qualcomm MSM8976 Snapdragon 652 - Standard / Qualcomm MSM8976 Pro Snapdragon 653 - High
GPU

PowerVR GE8320

Adreno 510
Memory RAM

2 GB

4, 6 GB
Internal storage

16 GB

64 GB
Memory card

microSD, microSDHC, microSDXC

microSD(uses second SIM slot)
Memory card max

128 GB

256 GB

Main camera
Camera type

Dual

Dual
Main camera

8 MP

13 MP, f/2.2
0.3 MP

13 MP
Primary camera video

1080p@30fps

video
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

dual-LED flash
Camera features

-

1.12 µm pixel size, 1/3" sensor size, HDR, face detection, geo-tagging, touch focus

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
WLAN DLNA

-

Yes
USB

microUSB 2.0

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

-

Yes
Bluetooth

v4.1

v4.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
BDS

-

Yes

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Email

-

Push Email
Java

-

No
Sensors

Accelerometer, fingerprint, proximity

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