Bluboo D6 Pro vs Cat S31

Bluboo D6 Pro

Cat S31

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 900, 1900, 2100 - EU; HSDPA 850, 900, 1700(AWS), 1900, 2100 - USA
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800); LTE-TDD 2300, 2600 MHz

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
HSDPA speed

21 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE, Cat4, 150 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

-
SIM

Dual SIM (Micro-SIM/Nano-SIM(microSD))

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

145.2 mm

146 mm
Width

71.2 mm

74.4 mm
Thickness

7.6 mm

12.6 mm
Weight

159 g

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, Blue, Red

Black

Main camera
Camera type

Dual

-
Main camera

5 MP

8 MP
5 MP
Interpolated resolution

8 MP

-
Primary camera resolution

2592 x 1944 pixels

-
Primary camera video

720p@30fps

720p@30fps
Primary camera Autofocus

-

autofocus
Primary camera flash

dual-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, face detection, touch focus

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, light, proximity

Accelerometer, compass, proximity