Oppo R15 Dream Mirror Edition vs Samsung Galaxy A31

Oppo R15 Dream Mirror Edition

Samsung Galaxy A31

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1(2100), 5(850), 7(2600), 8(900), 25(1900)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
HSPA speed

HSPA

-
LTE speed

LTE

LTE, Cat10, 452 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front glass, ceramic body

Plastic
SIM

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

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

155.3 mm

159.3 mm
Width

75 mm

73.1 mm
Thickness

7.5 mm

8.6 mm
Weight

175 g

185 g
Colors

Ceramic Black, Dream Mirror Red

Black, Blue, Red, White

Display
Display type

AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

6.28 inches

6.4 inches
Resolution

1080 x 2280 pixels

1080 x 2400 pixels
Pixel density

401 ppi

411 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass 5

Scratch resistant, 2.5D curved glass screen
Multitouch

Yes

Yes

Main camera
Camera type

Dual

Quad
Main camera

16 MP, f/1.7 , 1/2.6" , 1.22 µm

48 MP, f/2.0 , 1/2.0" , 0.8 µm
20 MP, f/1.7 , 1/2.8" , 1 µm

8 MP, f/2.2 , 1/4.0" , 1.12 µm, 13 mm
5 MP, f/2.4
5 MP, f/2.4
Primary camera resolution

4608 x 3456 pixels

8000 x 6000 pixels
Primary camera video

2160p@30fps

1080p@30fps
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

LED flash

LED flash
Camera features

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

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

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

microUSB 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging Push Email

Push Email

-
Sensors

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

Accelerometer, compass, fingerprint, gyroscope, proximity