Samsung Galaxy A21s vs Samsung Galaxy A42 Specs Comparison

Availability

Officially announced
May 15, 2020	Sep 02, 2020
Prices (MSRP)
€240	€340

Design

Dimensions
6.44 x 2.96 x 0.35 inches 163.7 x 75.3 x 8.9 mm	6.47 x 2.99 x 0.34 inches 164.4 x 75.9 x 8.6 mm
Weight
6.77 oz / 192.0 g	6.81 oz / 193.0 g
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White, Blue, Red	Prism Dot black, Prism Dot white, Prism Dot grey

Display

Size
6.5-inch, 82.94% screen-to-body	6.6-inch, 84.26% screen-to-body
Type
TFT	Super AMOLED, 60Hz
Resolution
1600x720px, 20:9 ratio, 270 PPI	1600x720px, 20:9 ratio, 266 PPI

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
4.6 (Poor)	Untested

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 850	Snapdragon 750G SM7225 (8 nm)
Processor
Octa-core 8x2.0GHz Cortex-A55	Octa-core 2x2.2GHz Kryo 570 6x1.8GHz Kryo 570
GPU
Mali-G76	Adreno 619
Memory
3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB 6GB/64GB	4GB (LPDDR4)/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1000 GB
OS
Android (10)	Android (12, 11, 10)

Battery

Type
5000 mAh, Li - Polymer	5000 mAh
Charging
Fast charging	Samsung Adaptive Fast Charging
Charge speed
	Wired: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

11h 9min

Gaming

7h 48min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F1.8 Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
2 MP (Macro) Aperture size: F2.4	5 MP (Macro) Aperture size: F2.4
Fourth camera
2 MP (Depth information) Aperture size: F2.4	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1080p (30 fps)	4K UHD (30 fps), 720p (480 fps)
Front
13 MP Video capture: 1080p (30 fps)	20 MP (Autofocus)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Screen mirroring
Wireless screen share	Wireless screen share

Cellular

5G Bands
	n1, n3, n5, n7, n8, n28, Sub-6
LTE Bands
1, 2, 3, 5, 7, 8, 20, 28	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28
TDD Bands
38, 40, 41	38, 40, 41
3G Bands
1, 2, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A, 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	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Apr 08, 2021 FCC ID value: A3LSMA426U
Measured SAR
	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

Alternative variants

with 4GB RAM

Memory	4GB/64GB

with 6GB RAM

Memory	6GB/64GB

Discover more

Full Specs Samsung Galaxy A21s Specs PA Review Samsung Galaxy A21s Review

Full Specs Samsung Galaxy A42 Specs