Samsung Galaxy A8 (2018) vs Samsung Galaxy M31 Prime

Samsung Galaxy A8 (2018)

Samsung Galaxy M31 Prime

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

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

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

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800); LTE-TDD 2300, 2500, 2600 MHz

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

-

LTE-A, Cat10 452 Mbps download, 102 Mbps upload
LTE-A speed

LTE-A, (3CA) Cat11, 600 Mbps download, 75 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front/back glass, aluminum frame

Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM

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

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

149.2 mm

159.2 mm
Width

70.6 mm

75.1 mm
Thickness

8.4 mm

8.9 mm
Weight

172 g

191 g
Payment

Samsung Pay

-
Waterproof

IP68 certified, 1.5 m and 30 minutes

-
Dust proof

IP68

-
Colors

Black, blue, gold, orchid grey

Black, Iceberg Blue, Ocean Blue

Display
Display type

Super AMOLED capacitive touchscreen

Super AMOLED
Physical size

5.6 inches

6.4 inches
Resolution

1080 x 2220 pixels

1080 x 2340 pixels
Pixel density

441 ppi

403 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass

2.5D curved glass screen, Corning Gorilla Glass 3
Multitouch

Yes

-
Display features

-

420 nits (typ), Infinity-O Display
Always on display

Yes

-

Main camera
Camera type

Photo / Video

-
Camera type

-

Quad
Main camera

16 MP, f/1.7

64 MP, f/1.8 , (wide) , 26 mm, 1/1.72" , 0.8 µm
(ultrawide) , 8 MP, f/2.2 , 123˚ , 1/4.0" , 1.12 µm
(macro) , 5 MP, f/2.4
(depth) , 5 MP, f/2.2
Primary camera resolution

4608 x 3456 pixels

9280 x 6944 pixels
Primary camera video

1080p@30fps

4K@30fps, 1080p@30fps, gyro-EIS
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, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Connectivity
WLAN

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

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

Yes

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Mail

Push Mail

-
Sensors

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

Accelerometer, compass, fingerprint, gyroscope, proximity