BLU Vivo XL3 vs Cat S31

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

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

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 28(700)

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

42.2 Mbps

-
HSUPA speed

11.5 Mbps

-
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

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

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, aluminium alloy

-
SIM

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

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

147.7 mm

146 mm
Width

70.7 mm

74.4 mm
Thickness

8 mm

12.6 mm
Weight

143 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

Gold, Silver

Black

Main camera
Main camera

13 MP

8 MP
Primary camera resolution

4160 x 3120 pixels

-
Primary camera video

1080p@30fps

720p@30fps
Primary camera Autofocus

phase detection autofocus

autofocus
Primary camera flash

LED flash

LED flash
Camera features

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

Geo-tagging, face detection, 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

Push Email
Java

-

No
Sensors

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

Accelerometer, compass, proximity