Ark Benefit M551 (SuperD) vs LG K31

Ark Benefit M551 (SuperD)

LG K31

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

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

LTE frequency band 2, 4, 5, 12, 13, 25, 26, 41, 66, 71
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE Cat4, 150.8 Mbps download, 51 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, plastic

Plastic
SIM

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

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

152 mm

147.8 mm
Width

75.7 mm

71.1 mm
Thickness

8.9 mm

8.6 mm
Weight

172 g

146 g
MIL-STD-810G

-

Yes
Colors

Black, Gold

Silver

Main camera
Camera type

Single

Dual
Main camera

13 MP

13 MP, f/1.8 , 27 mm, 1/3.1" , 1.12 µm
5 MP, f/2.2 , 1/5.0" , 1.12 µm
Primary camera resolution

4160 x 3120 pixels

4160 x 3120 pixels
Primary camera video

1080p@30fps

1080p@30fps
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

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