Samsung Galaxy A31 vs Samsung Galaxy S21 FE Specs Comparison

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

Display

Size:

6.4 inches
6.4 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 411 PPI
2340 x 1080 pixels, 403 PPI

Technology:

Super AMOLED
Dynamic AMOLED

Refresh rate:

60Hz
120Hz

Screen-to-body:

84.88 %
86.77 %

Features:

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

Hardware

System chip:

MediaTek Helio P65 MT6768 (12 nm)
Qualcomm Snapdragon 888 SM8350 (5 nm)

Processor:

Octa-core, 2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55, 64-bit
Octa-core, 2840 MHz, Kryo 680 Prime, 64-bit

GPU:

Mali-G52 MC2
Adreno 660

RAM:

4GB LPDDR4
6GB

Internal storage:

64GB (eMMC 5.1), available to use: 46.2 GB
128GB

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

Android (10), Samsung One UI
Android (11)

Battery

Capacity:

5000 mAh
4500 mAh

Type:

Li - Polymer, Not user replaceable
Not user replaceable

Charging:

Fast charging
Qi wireless charging, Reverse wireless charging

Max charge speed:

Wired: 15.0W
Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Quad camera
Triple camera

Main camera:

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

Specifications:

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

Second camera:

8 MP (Ultra-wide)
8 MP (Telephoto, OIS, Autofocus)

Specifications:

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 76 mm

Third camera:

5 MP (Macro)
12 MP (Ultra-wide)

Specifications:

Aperture size: F2.4
Aperture size: F2.2; Focal Length: 13 mm

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.4

Flash:

LED
LED

Video recording:

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (60 fps)

Front:

20 MP
32 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.27 x 2.88 x 0.34 inches (159.3 x 73.1 x 8.6 mm)
6.13 x 2.93 x 0.31 inches (155.7 x 74.5 x 7.9 mm)

Weight:

6.53 oz (185.0 g)
6.00 oz (170.0 g)

Materials:

Back: Plastic
Back: Plastic; Frame: Metal

Resistance:

Water, Dust; IP68

Biometrics:

In-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

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

Cellular

5G:

5G Ready

4G (FDD):

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

4G (TDD):

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

3G:

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

Data Speed:

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

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM, eSIM

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

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, ax (Wi-Fi 6); Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.2

Features:

Charging, OTG
Charging, OTG

Location:

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

Sensors:

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

Other:

NFC
NFC

Regulatory Approval

FCC approval:

Date approved:

Mar 08, 2020
Jun 29, 2021

FCC ID value:

A3LSMA315GL
A3LSMG990U

Measured SAR:

Head:

0.53 W/kg
0.77 W/kg

Body:

0.56 W/kg
0.90 W/kg

Simultaneous Transmission:

1.42 W/kg
1.48 W/kg

Wireless Router:

0.65 W/kg
1.09 W/kg

Phablet:

0.89 W/kg

Buyers information

Price:

€ 300
$ 700

Availability

Officially announced:

Mar 24, 2020
Jan 04, 2022
FCC OKs Cingular\'s purchase of AT&T Wireless