Samsung Galaxy A8 (2018) vs Samsung Galaxy A31 - specs comparison

Display

Size:

5.6 inches

6.4 inches

Resolution:

2220 x 1080 pixels, 18.5:9 ratio, 441 PPI

2400 x 1080 pixels, 20:9 ratio, 411 PPI

Technology:

Super AMOLED

Screen-to-body:

75.60 %

84.88 %

Features:

Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor

60Hz refresh rate, Ambient light sensor, Proximity sensor

Hardware

System chip:

Samsung Exynos 5 Octa 7885

MediaTek Helio P65 MT6768

Processor:

Octa-core, 2200 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm

GPU:

Mali-G71

Mali-G52 MC2

RAM:

4GB LPDDR4

Internal storage:

64GB

64GB (eMMC 5.1), available to use: 46.2 GB

Storage expansion:

microSDXC up to 256 GB

microSDXC up to 512 GB

Device type:

Smartphone

OS:

Android (9.0 Pie, 8.0 Oreo, 7.1 Nougat), Samsung One UI

Android (10), Samsung One UI

Battery

Capacity:

3000 mAh

5000 mAh

Type:

Li - Polymer, Not user replaceable

Charging:

Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Single camera

Quad camera

Main camera:

16 MP (PDAF)

48 MP (PDAF)

Specifications:

F1.7

F2.0; 26 mm; 1/2"; 0.8 μm

Second camera:

8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

5 MP (Macro)

Specifications:

Aperture size: F2.4

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.4

Video recording:

1920x1080 (Full HD) (30 fps)

Features:

Hyperlapse, EIS, Video calling, Video sharing

Front:

16 MP (Dual-Camera)

20 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

5.87 x 2.78 x 0.33 inches (149.2 x 70.6 x 8.4 mm)

6.27 x 2.88 x 0.34 inches (159.3 x 73.1 x 8.6 mm)

Weight:

6.07 oz (172.0 g)

6.53 oz (185.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Back: Plastic

Resistance:

Water, Dust; IP68

Biometrics:

Fingerprint (touch)

In-screen fingerprint

Features:

Notification light

Keys:

Left: Volume control; Right: Lock/Unlock key

Right: Volume control, Lock/Unlock key

Colors:

Black, Gold, Orchid grey, Blue

Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Bands 1(2100), 2(1900), 5(850), 8(900)

Data Speed:

LTE-A Cat 11 (600/75 Mbit/s), HSPA, HSUPA

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM

Multimedia

Headphones:

3.5mm jack

Speakers:

Earpiece, Loudspeaker

Features:

Album art cover, Background playback

Screen mirroring:

Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0

Features:

Charging, Mass storage device

Charging, OTG

Location:

GPS, A-GPS, Glonass, BeiDou

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Accelerometer, Gyroscope, Compass

Other:

NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync

NFC

Regulatory Approval

FCC approval:

Date approved:

Nov 14, 2017

Mar 08, 2020

FCC ID value:

A3LSMA530F

A3LSMA315GL

Measured SAR:

Head:

0.26 W/kg

0.53 W/kg

Body:

0.76 W/kg

0.56 W/kg

Simultaneous Transmission:

1.54 W/kg

1.42 W/kg

Wireless Router:

0.98 W/kg

0.65 W/kg

Phablet:

0.89 W/kg

Buyers information

Price:

€ 300

Availability

Officially announced:

Dec 19, 2017

Mar 24, 2020