Samsung Galaxy S20 vs Samsung Galaxy S21 Specs Comparison

Availability

Officially announced
Feb 11, 2020	Jan 14, 2021
Prices (MSRP)
$1000	$800

Design

Dimensions
5.97 x 2.72 x 0.31 inches 151.7 x 69.1 x 7.9 mm	5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm
Weight
5.78 oz (163.0 g)	6.03 oz (171.0 g)
Materials
Back: Glass (Corning Gorilla Glass 6) Frame: Aluminum	Back: Plastic Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Cloud blue, Cosmic grey, Cloud pink, Cosmic white	Phantom pink, Violet, Gray, White

Display

Size
6.2-inch, 88.59% screen-to-body	6.2-inch, 86.06% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR	Dynamic AMOLED, 120Hz, HDR, 1300 nits
Resolution
3200x1440px, 20:9 ratio, 566 PPI	2400x1080px, 20:9 ratio, 424 PPI
Protection
Corning Gorilla Glass 6	Corning Gorilla Glass Victus

Hardware

System chip
Snapdragon 865 SM8250 (7 nm)	Snapdragon 888 (5 nm)
Processor
Octa-core 1x2.84GHz Kryo 585 3x2.42GHz Kryo 585 4x1.80GHz Kryo 585	Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680
GPU
Adreno 650	Adreno 660
Memory
12GB (LPDDR5)/128GB (UFS 3.0) 8GB/128GB	8GB (LPDDR5)/128GB (UFS 3.0) 8GB/256GB
Storage expansion
microSDXC up to 1000 GB	not expandable
OS
Android (13, 12, 11, 10)	Android (13, 12, 11)

Battery

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

PhoneArena Battery Tests

Battery Life Estimate

5h 20min

Browsing

7h 45min

Video

10h 20min

Gaming

7h 43min

Battery Life Estimate

4h 28min

Browsing

7h 47min

Video

7h 36min

Gaming

7h 9min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 1.8 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
12 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.4 μm	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 Sensor size: 1/1.7" Pixel size: 0.8 μm	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
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, EIS	8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS
Front
10 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)	10 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	a,b,g,n,ac,Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.1	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/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
Other
NFC, ANT+	NFC, ANT+

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus	32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Cellular

5G Bands
n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6	n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71
4G (TDD) Bands
38, 39, 40, 41	38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 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

Regulatory Approval

FCC approval
Date approved: Jan 24, 2020 FCC ID value: A3LSMG981U	Date approved: Dec 08, 2020 FCC ID value: A3LSMG991U
Measured SAR
Head: 1.07 W/kg Body: 1.03 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.25 W/kg Phablet: 3.99 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

Alternative variants

Global variant

System chip	Samsung Exynos 990 (7 nm)
Processor	Octa-core 2700 MHz 2x2.73GHz Exynos M5 2x2.5GHz Cortex-A75 4x2.0G​Hz Cortex-A55
GPU	Mali G77 MP11

with 256GB storage

Memory	256GB

non 5G variant

Memory	8GB
FCC approval	Date approved: Jan 28, 2020 FCC ID value: A3LSMG980F
Measured SAR	Head: 0.37 W/kg Body: 1.01 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 W/kg Phablet: 2.67 W/kg

for Europe

System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 2900 MHz 1x2.91GHz Cortex-X1 3x2.81G​Hz Cortex-A78 4x2.2G​Hz 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

for Verizon

Storage expansion	not expandable
5G Bands	n260, n261, mmWave
4G (FDD) Bands	2, 3, 4, 5, 7, 8, 13, 18, 19, 20, 26, 28, 66
4G (TDD) Bands	34, 39, 46, 48
Hearing aid compatible	M4/T3

Links

Full specifications
Samsung Galaxy S20 Specs	Samsung Galaxy S21 Specs
PhoneArena Review
Samsung Galaxy S20 Review	Samsung Galaxy S21 Review
User Reviews
Samsung Galaxy S20 User Reviews	Samsung Galaxy S21 User Reviews