Samsung Galaxy S20 vs Samsung Galaxy A42 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.

9.1
Samsung Galaxy S20	Samsung Galaxy A42
Released · Mar 06, 2020	Released · Nov 06, 2020
6.2-inch	6.6-inch
Triple camera	Quad camera
12GB · 128GB	4GB · 128GB
4000 mAh	5000 mAh
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Design

Dimensions
5.97 x 2.72 x 0.31 inches 151.7 x 69.1 x 7.9 mm	6.47 x 2.99 x 0.34 inches 164.4 x 75.9 x 8.6 mm
Weight
5.78 oz (163.0 g)	6.81 oz (193.0 g)
Materials
Back: Glass (Corning Gorilla Glass 6) Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	Optical 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	Prism Dot black, Prism Dot white, Prism Dot grey

Display

Size
6.2-inch	6.6-inch
Resolution
3200x1440px, 20:9 ratio, 566 PPI	1600x720px, 20:9 ratio, 266 PPI
Technology
Dynamic AMOLED	Super AMOLED
Refresh rate
120Hz (@1080p)	60Hz
Screen-to-body
88.59 %	84.26 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 865 SM8250 (7 nm)	Qualcomm Snapdragon 750G SM7225 (8 nm)
Processor
Octa-core 1x 2.84GHz Kryo 585 + 3x 2.42GHz Kryo 585 + 4x 1.80GHz Kryo 585	Octa-core 2x 2.2GHz Kryo 570 + 6x 1.8GHz Kryo 570
GPU
Adreno 650	Adreno 619
RAM
12GB (LPDDR5)	4GB (LPDDR4)
Internal storage
128GB (UFS 3.0)	128GB, available to use: 106 GB
Storage expansion
microSDXC up to 1000 GB	microSDXC up to 1000 GB
OS
Android (13, 12, 11, 10), Samsung One UI	Android (12, 11, 10), Samsung One UI

Battery

Capacity
4000 mAh	5000 mAh
Type
Li - Polymer
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging	Samsung Adaptive Fast Charging
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 15.0W

Battery Life Estimate

5h 20min

Browsing

7h 45min

Video

10h 20min

Gaming

7h 43min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Triple camera	Quad 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	48 MP (PDAF) Aperture size: F1.8 Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.4 μm	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Sensor size: 1/1.7" Pixel size: 0.8 μm	5 MP (Macro) Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, EIS	3840x2160 (4K UHD) (30 fps), 1280x720 (HD) (480 fps)
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	20 MP (Autofocus)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1	Type-C, USB 2.0
Hearing aid compatible
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, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+	NFC

Multimedia

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

Cellular

5G
Bands n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6	Bands n1, n3, n5, n7, n8, n28, Sub-6
4G (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), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)	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), 28(700 APT)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
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
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Jan 24, 2020 FCC ID value: A3LSMG981U	Date approved: Apr 08, 2021 FCC ID value: A3LSMA426U
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: 1.11 W/kg Body: 1.25 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.06 W/kg Phablet: 3.81 W/kg

Buyers information

MSRP
$ 1000	€ 340

Availability

Officially announced
Feb 11, 2020	Sep 02, 2020

Alternative variants

Global variant


System chip	Samsung Exynos 990 (7 nm)
Processor	Octa-core 2700 MHz 2x 2.73GHz Exynos M5 + 2x 2.5GHz Cortex-A75 + 4x 2.0GHz Cortex-A55
GPU	Mali G77 MP11

non 5G variant


RAM	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 Verizon


Storage expansion	not expandable
5G	Bands n260, n261, mmWave
4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)	Bands 34(2000), 39(1900+), 46, 48(3600)
Hearing aid compatible	M4/T3

Links

Full specifications
Samsung Galaxy S20 Specs	Samsung Galaxy A42 Specs
PhoneArena Review
Samsung Galaxy S20 Review
User Reviews
Samsung Galaxy S20 User Reviews