Vertex Impress Bear vs Xiaomi Redmi 4X

Vertex Impress Bear

Xiaomi Redmi 4X

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

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

LTE frequency band 3(1800), 7(2600), 18(800)

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

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

-
LTE-A speed

-

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

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

-
SIM

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

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

143 mm

139.2 mm
Width

72 mm

70 mm
Thickness

10.3 mm

8.7 mm
Weight

147 g

150 g
Colors

Black, Blue, Gold

Champagne Gold, Cherry Pink, Mate Black

Main camera
Main camera

8 MP

13 MP, f/2.0
Primary camera resolution

3264 x 2448 pixels

-
Primary camera video

720p@30fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene mode

Geo-tagging, HDR, face/smile detection, 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, light, proximity

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