Oppo A31 (2015) vs Samsung Galaxy A7 (2017)

Oppo A31 (2015)

Samsung Galaxy A7 (2017)

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

TD-SCDMA 1880, 2010

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

-

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

-
LTE-A speed

-

LTE-A, Cat6, 300 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
SIM

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

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

131.9 mm

156.8 mm
Width

65.5 mm

77.6 mm
Thickness

8 mm

7.9 mm
Weight

135 g

-
Waterproof

-

1.5 m and 30 minutes
Dust proof

-

Yes
Colors

Blue, White

Black Sky, Blue Mist and Peach Cloud, Gold Sand

Display
Display type

IPS LCD capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

4.5 inches

5.7 inches
Resolution

480 x 854 pixels

1080 x 1920 pixels
Pixel density

218 ppi

386 ppi
Display colors

16777216

16777216
Protection

-

Corning Gorilla Glass
Multitouch

-

Yes

Main camera
Main camera

8 MP

16 MP, f/1.9 , 27 mm
Primary camera resolution

3264 x 2448 pixels

-
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

autofocus

autofocus
Primary camera flash

LED flash

LED flash
Camera features

Geo-tagging

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

Features
Messaging SMS

SMS(threaded view)

SMS(threaded view)
Messaging MMS

MMS

MMS
Messaging Email

Email

Email
Messaging IM

-

IM
Messaging Push Email

Push Email

-
Messaging Push Mail

-

Push Mail
Java

No

No
Sensors

Accelerometer, proximity

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