Ark Phantom 1 vs Oppo A57

Ark Phantom 1

Oppo A57

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

HSDPA 850, 900, 1900, 2100 & TD-SCDMA
4G network

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

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
HSPA speed

-

HSPA
LTE speed

LTE Cat4, 150.8 Mbps download, 51 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal

-
SIM

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

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

153 mm

149.1 mm
Width

77 mm

72.9 mm
Thickness

8.3 mm

7.7 mm
Weight

178 g

147 g
Colors

Black, Gold, White

Gold, Rose Gold

Main camera
Camera type

Single

-
Main camera

8 MP

13 MP, f/2.2
Primary camera resolution

3264 x 2448 pixels

-
Primary camera video

720p@30fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
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

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

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging Push Email

-

Push Email
Java

-

No
Sensors

Accelerometer, proximity, light, fingerprint

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