Allview V2 Viper i vs Xiaomi Redmi 4X

Allview V2 Viper i

Xiaomi Redmi 4X

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 1900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA
4G network

-

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE-A speed

-

LTE-A, (2CA) Cat6, 300 Mbps download, 100 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
SIM

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

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

143.3 mm

139.2 mm
Width

72 mm

70 mm
Thickness

8.9 mm

8.7 mm
Weight

153 g

150 g
Colors

Black, White

Champagne Gold, Cherry Pink, Mate Black

Main camera
Main camera

5 MP

13 MP, f/2.0
Primary camera video

720p

1080p@30fps
Primary camera Autofocus

autofocus

phase detection autofocus
Primary camera flash

LED flash

LED flash
Camera features

Geo-tagging, HDR, face/smile detection, touch focus

Geo-tagging, HDR, face/smile detection, panorama, touch focus

Features
Messaging SMS

SMS(threaded view)

SMS(threaded view)
Messaging MMS

MMS

MMS
Messaging Email

Email

Email
Messaging IM

IM

IM
Messaging Push Email

Push Email

-
Messaging Push Mail

-

Push Mail
Java

No

No
Sensors

Accelerometer, compass, proximity

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