Cat S31 vs Vertex Impress Grip

Cat S31

Vertex Impress Grip

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100 - EU; HSDPA 850, 900, 1700(AWS), 1900, 2100 - USA

HSDPA 900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - EU; LTE frequency band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700) - USA

LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

LTE, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
SIM

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

Dual SIM (Micro-SIM)
Height

146 mm

-
Width

74.4 mm

-
Thickness

12.6 mm

-
Weight

200 g

-
Waterproof

IP68, 1.2 m and 35 minutes

-
Dust proof

IP68

-
MIL-STD-810G

Yes - dust, humidity, rain, salt, vibration, solar radiation, transport and thermal shock resistant

-
Colors

Black

Black

Main camera
Main camera

8 MP

13 MP
Primary camera resolution

-

4160 x 3120 pixels
Primary camera video

720p@30fps

720p@30fps
Primary camera Autofocus

autofocus

-
Primary camera flash

LED flash

LED flash
Camera features

Geo-tagging, face detection, touch focus

Autofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene mode

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
Java

No

-
Sensors

Accelerometer, compass, proximity

Accelerometr, compass, light, proximity