Ark Benefit M551 (SuperD) vs Oppo A1k

Ark Benefit M551 (SuperD)

Oppo A1k

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

WCDMA 850, 900, 2100
4G network

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)
LTE speed

LTE Cat4, 150.8 Mbps download, 51 Mbps upload

LTE Cat 4, 150.8 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, plastic

Plastic body
SIM

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

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

152 mm

154.5 mm
Width

75.7 mm

73.8 mm
Thickness

8.9 mm

8.4 mm
Weight

172 g

170 g
Colors

Black, Gold

Black, Red

Display
Display type

IPS capacitive touchscreen

IPS capacitive touchscreen
Physical size

5.5 inches

6.1 inches
Resolution

1080 x 1920 pixels

720 x 1560 pixels
Pixel density

401 ppi

282 ppi
Display colors

16777216

16777216
Protection

-

2.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3
Multitouch

Yes

Yes

Main camera
Camera type

Single

Single
Main camera

13 MP

8 MP, f/2.2 , 1/3.2" , 1.4 µm
Primary camera resolution

4160 x 3120 pixels

3264 x 2448 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, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection