Samsung Galaxy A01 vs Samsung Galaxy S21 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

	8.5
Samsung Galaxy A01	Samsung Galaxy S21
Released · January 2020	Released · Jan 29, 2021
5.7-inch · 1520x720px	6.2-inch · 2400x1080px
Dual camera	Triple camera
2GB · 16GB	8GB · 128GB
3000 mAh	4000 mAh
	Check prices

Design

Dimensions
5.81 x 2.79 x 0.33 inches 147.5 x 70.9 x 8.3 mm	5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm
Weight
5.33 oz (151.0 g)	6.03 oz (171.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Blue, Red	Phantom pink, Violet, Gray, White

Display

Size
5.7-inch	6.2-inch
Resolution
1520x720px, 19:9 ratio, 295 PPI	2400x1080px, 20:9 ratio, 424 PPI
Technology
IPS LCD	Dynamic AMOLED
Refresh rate
	120Hz (adaptive)
Screen-to-body
78.22 %	86.06 %
Peak brightness
	1300 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 439 SDM439 (12 nm)	Qualcomm Snapdragon 888 (5 nm)
Processor
Octa-core 4x 2.0GHz Cortex-A53 + 4x 1.45GHz Cortex-A53	Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
GPU
Adreno 505	Adreno 660
Memory
2GB (LPDDR3)/16GB (eMMC 5.1)	8GB (LPDDR5)/128GB (UFS 3.0)
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (11, 10)	Android (13, 12, 11)

Battery

Type
3000 mAh	4000 mAh, Li - Polymer
Charging
Fast charging	Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
Wired: 7.8W	Wired: 25.0W Wireless: 15.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

4h 28min

Browsing

7h 47min

Video

7h 36min

Gaming

7h 9min

Camera

Rear
Dual camera	Triple camera
Main camera
13 MP (Autofocus) Aperture size: F2.2 Focal length: 28 mm Sensor size: 1/3.1" Pixel size: 1.12 μm	12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm
Second camera
2 MP (Depth information) Aperture size: F2.4	12 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
	64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Flash
LED	LED
Video recording
1080p (30 fps)	8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS
Front
5 MP Video capture: 1080p	10 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 3.2
Hearing aid compatible
M4/T3	M3/T3
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
UMA (Wi-Fi Calling)	NFC, ANT+

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Dolby Atmos	32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM, Stereo, RDS
Additional microphone(s)
	Noise cancellation, Video recording

Cellular

5G
	Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
Bands 2, 4, 5, 12, 14	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
	Bands 38, 39, 40, 41, 46, 48
3G
Bands 2, 4, 5	Bands 1, 2, 4, 5, 8
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
SIM type
Nano SIM	Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Feb 24, 2020 FCC ID value: ZCASMA015A	Date approved: Dec 08, 2020 FCC ID value: A3LSMG991U
Measured SAR
Head: 0.61 W/kg Body: 0.61 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.39 W/kg	Head: 0.36 W/kg Body: 1.08 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.09 W/kg Phablet: 2.49 W/kg

Buyers information

MSRP
$ 100	$ 800
In The Box
QuickStart Guide, Charging Block, USB-C, SIM tray eject tool	C to C Data Cable, Ejection Pin

Availability

Officially announced
Dec 17, 2019	Jan 14, 2021

Alternative variants

for Verizon


4G (FDD)	Bands 2, 4, 5, 13
WLAN	802.11 a,b,g,n
Hearing aid compatible	M4/T4
FCC approval	Date approved: Jul 15, 2020 FCC ID value: ZCASMA015V
Measured SAR	Head: 0.63 W/kg Body: 1.37 W/kg Simultaneous Transmission: 1.37 W/kg Wireless Router: 1.37 W/kg
MSRP	$ 150

with 256GB storage


Memory	256GB

for Europe


System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 2900 MHz 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU	Mali G78 MP14
Weight	5.96 oz (169.0 g)
5G	Bands SA, NSA, Sub-6
FCC approval	Date approved: Dec 18, 2020 FCC ID value: A3LSMG991B
Measured SAR	Head: 0.42 W/kg Body: 0.94 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.34 W/kg Phablet: 2.37 W/kg

Links

Full specifications
Samsung Galaxy A01 Specs	Samsung Galaxy S21 Specs
PhoneArena Review
	Samsung Galaxy S21 Review
User Reviews
Samsung Galaxy A01 User Reviews	Samsung Galaxy S21 User Reviews