Samsung Galaxy A21s vs Samsung Galaxy A40 Specs Comparison

Availability

Officially announced
May 15, 2020	Apr 10, 2019
Prices (MSRP)
€240

Design

Dimensions
6.44 x 2.96 x 0.35 inches 163.7 x 75.3 x 8.9 mm	5.69 x 2.72 x 0.31 inches 144.4 x 69.2 x 7.9 mm
Weight
6.77 oz / 192.0 g	4.94 oz / 140.0 g
Materials
	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White, Blue, Red	Black, Coral, Blue, White

Display

Size
6.5-inch, 82.94% screen-to-body	5.9-inch, 85.73% screen-to-body
Type
TFT	Super AMOLED
Resolution
1600x720px, 20:9 ratio, 270 PPI	2340x1080px, 19.5:9 ratio, 437 PPI
Protection
	Corning Gorilla Glass 3

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	Exynos 7904 (14 nm)
Processor
Octa-core 8x2.0GHz Cortex-A55	Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53
GPU
Mali-G76	Mali-G71 MP2
Memory
3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB 6GB/64GB	4GB (LPDDR4)/64GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (10)	Android (11, 10, 9.0 Pie)

Battery

Type
5000 mAh, Li - Polymer	3100 mAh, Li - Polymer
Charging
Fast charging	Samsung Adaptive Fast Charging

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	Dual camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	16 MP (PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 1.12 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm	5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
2 MP (Macro) Aperture size: F2.4
Fourth camera
2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1080p (30 fps)	1080p (30 fps) Hyperlapse, Video calling, Video sharing
Front
13 MP Video capture: 1080p	25 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	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, Hall (for flip covers), 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, ANT+, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
	Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 5, 7, 8, 20, 28	1, 3, 5, 7, 8, 20
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
1, 2, 5, 8	1, 2, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 12/13 (600/150 Mbit/s), 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: Mar 08, 2019 FCC ID value: A3LSMA405FN
Measured SAR
	Head: 0.51 W/kg Body: 0.46 W/kg Simultaneous Transmission: 1.02 W/kg Wireless Router: 0.61 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 A40 Specs