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Samsung Galaxy A31 vs Samsung Galaxy S9 vs Samsung Galaxy A32

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

6.4 inches
5.8 inches
6.5 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 411 PPI
2960 x 1440 pixels, 18.5:9 ratio, 568 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

Super AMOLED
Super AMOLED
TFT

Refresh rate:

60Hz
60Hz

Screen-to-body:

84.88 %
84.36 %
81.58 %

Features:

Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek Helio P65 MT6768
Qualcomm Snapdragon 845 SDM845
MediaTek Dimensity 720 MT6853

Processor:

Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm
Octa-core, 2800 MHz, Kryo 385, 64-bit, 10 nm
Octa-core, 2000 MHz, Cortex-A76 and Cortex-A55, 64-bit, 7 nm

GPU:

Mali-G52 MC2
Adreno 630
Mali-G57 MC3

RAM:

4GB LPDDR4
4GB LPDDR4
4GB LPDDR4

Internal storage:

64GB (eMMC 5.1), available to use: 46.2 GB
64GB
64GB (UFS 2.2)

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 400 GB
microSDXC up to 1024 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10), Samsung One UI
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI
Android

Battery

Capacity:

5000 mAh
3000 mAh
5000 mAh

Type:

Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable
Not user replaceable

Charging:

Fast charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging

Max charge speed:

Wired: 15.0W
Wired: 15.0W

Camera

Rear:

Quad camera
Single camera
Quad camera

Main camera:

48 MP (PDAF)
12 MP (OIS, PDAF)
48 MP (Autofocus, PDAF)

Specifications:

Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.5/F2.4; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8

Second camera:

8 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications:

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

Third camera:

5 MP (Macro)
2 MP (Macro)

Specifications:

Aperture size: F2.4
Aperture size: F2.4

Fourth camera:

5 MP (Depth information)
2 MP (Depth information)

Specifications:

Aperture size: F2.4
Aperture size: F2.4

Video recording:

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps)

Features:

HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing

Front:

20 MP
8 MP (Autofocus, HDR)
13 MP

Video capture:

1920x1080 (Full HD)
2560x1440 (QHD) (30 fps)
1920x1080 (Full HD)

Design

Dimensions:

6.27 x 2.88 x 0.34 inches (159.3 x 73.1 x 8.6 mm)
5.81 x 2.70 x 0.33 inches (147.7 x 68.7 x 8.5 mm)
6.46 x 3.00 x 0.36 inches (164.2 x 76.1 x 9.1 mm)

Weight:

6.53 oz (185.0 g)
5.75 oz (163.0 g)
7.23 oz (205.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

In-screen fingerprint
Iris scanner, 2D Face unlock, Fingerprint (touch)
Fingerprint (touch)

Features:

Notification light

Keys:

Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue
Awesome black, Awesome white, Awesome blue, Awesome violet

Cellular

5G:

n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n78, n79

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46

UMTS:

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

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Shared with microSD

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Loudspeaker

Features:

32-Bit DAC, aptX-HD
Dolby Atmos, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

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

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0

Features:

Charging, OTG
Charging, OTG, Video out
Charging

Location:

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

Sensors:

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

Other:

NFC
NFC, ANT+
NFC

Regulatory Approval

FCC approval:

Date approved:

Mar 08, 2020
Jan 11, 2018
Mar 08, 2021

FCC ID value:

A3LSMA315GL
A3LSMG960U
A3LSMA326U

Measured SAR:

Head:

0.53 W/kg
0.35 W/kg
0.57 W/kg

Body:

0.56 W/kg
0.96 W/kg
1.17 W/kg

Simultaneous Transmission:

1.42 W/kg
1.59 W/kg
1.59 W/kg

Wireless Router:

0.65 W/kg
0.95 W/kg
1.02 W/kg

Phablet:

0.89 W/kg

Buyers information

Price:

€ 300
$ 720
€ 280

Availability

Officially announced:

Mar 24, 2020
Feb 25, 2018
Jan 13, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless