Allview V4 Viper vs Xiaomi Redmi Note 4X

Allview V4 Viper

Xiaomi Redmi Note 4X

Network
2G network

GSM 850, 900, 1800, 1900

GSM 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

Design
SIM

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

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

145.8 mm

151 mm
Width

70.9 mm

76 mm
Thickness

8.5 mm

8.5 mm
Weight

138 g

165 g
Colors

Blue, Red

Black, Gold, Gray, Pink

Main camera
Camera type

Dual

-
Main camera

8 MP

13 MP, f/2.0
0.3 MP
Primary camera video

1080p@30fps

1080p@30fps, 720p@120fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

dual-LED (dual tone) flash
Camera features

-

1.12 µm pixel size, HDR, face detection, geo-tagging, panorama, touch focus

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Mail

-

Push Mail
Java

-

No
Sensors

Accelerometer, fingerprint, proximity

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