Samsung Galaxy A40 vs Samsung Galaxy M31s Specs Comparison

Availability

Officially announced
Apr 10, 2019	Jul 30, 2020
Prices (MSRP)
	€310

Design

Dimensions
5.69 x 2.72 x 0.31 inches 144.4 x 69.2 x 7.9 mm	6.27 x 2.93 x 0.37 inches 159.3 x 74.4 x 9.3 mm
Weight
4.94 oz / 140.0 g	7.16 oz / 203.0 g
Materials
Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Coral, Blue, White	Mirage black, Mirage blue

Display

Size
5.9-inch, 85.73% screen-to-body	6.5-inch, 86.06% screen-to-body
Type
Super AMOLED	Super AMOLED
Resolution
2340x1080px, 19.5:9 ratio, 437 PPI	2400x1080px, 20:9 ratio, 405 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass 3

Hardware

System chip
Exynos 7904 (14 nm)	Samsung Exynos 9611 (10 nm)
Processor
Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53
GPU
Mali-G71 MP2	Mali-G72 MP3
Memory
4GB (LPDDR4)/64GB	6GB (LPDDR4)/128GB (UFS 2.1) 8GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (11, 10, 9.0 Pie)	Android (11, 10)

Battery

Type
3100 mAh, Li - Polymer	6000 mAh
Charging
Samsung Adaptive Fast Charging	Fast charging Reverse wired charging
Charge speed
	Wired: 25.0W

Camera

Rear
Dual camera	Quad camera
Main camera
16 MP (PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 1.12 μm	64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm	12 MP (Ultra-wide) Aperture size: F2.2
Third camera
	5 MP (Macro) Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1080p (30 fps) Hyperlapse, Video calling, Video sharing	4K UHD (30 fps), 1080p (120 fps), 720p (480 fps) Hyperlapse, EIS
Front
25 MP Video capture: 1080p	32 MP Video capture: 4K UHD (30 fps)

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, Compass, Hall (for flip covers), Ambient light sensor, 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, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC

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	FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
1, 2, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A Cat 12/13 (600/150 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	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 8GB RAM

Memory	8GB

Discover more

Full Specs Samsung Galaxy A40 Specs

Full Specs Samsung Galaxy M31s Specs