Samsung Galaxy M40 vs Samsung Galaxy A31 Specs Comparison

Design

Dimensions
6.11 x 2.91 x 0.31 inches 155.3 x 73.9 x 7.9 mm	6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm
Weight
5.93 oz (168.0 g)	6.53 oz (185.0 g)
Materials
Back: Plastic	Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Midnight blue, Seawater blue	Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
6.3-inch	6.4-inch
Resolution
2340x1080px, 19.5:9 ratio, 409 PPI	2400x1080px, 20:9 ratio, 411 PPI
Technology
IPS LCD	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
84.94 %	84.88 %
Features
Scratch-resistant glass (Corning Gorilla Glass), Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 675 SM6150 (11 nm)	MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core 2000 MHz Kryo 460	Octa-core 2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55
GPU
Adreno 612	Mali-G52 MC2
Memory
6GB (LPDDR4)/128GB	4GB (LPDDR4)/64GB (eMMC 5.1)
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (10, 9.0 Pie)	Android (10)

Battery

Type
3500 mAh	5000 mAh, Li - Polymer
Charging
Samsung Adaptive Fast Charging	Fast charging
Charge speed
	Wired: 15.0W

Camera

Rear
Triple camera	Quad camera
Main camera
32 MP (PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/4" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
5 MP (Depth information) Aperture size: F2.2 Focal Length: 24 mm Sensor size: 1/5" Pixel size: 1.12 μm	5 MP (Macro) Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p (30 fps), 720p (240 fps) Hyperlapse, Video calling, Video sharing	1080p (30 fps)
Front
16 MP (HDR) Video capture: 1080p	20 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

Headphones
No 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	Noise cancellation

Cellular

4G (FDD)
Bands 1, 3, 5, 8	Bands 1, 2, 3, 4, 5, 7, 8, 20
4G (TDD)
Bands 40, 41	Bands 38, 40, 41
3G
Bands 5, 8, 1	Bands 1, 2, 5, 8
Data Speed
LTE-A Cat 13/5 (400/75 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, 2020 FCC ID value: A3LSMA315GL
Measured SAR
	Head: 0.53 W/kg Body: 0.56 W/kg Simultaneous Transmission: 1.42 W/kg Wireless Router: 0.65 W/kg Phablet: 0.89 W/kg

Buyers information

MSRP
	€ 300
In The Box
Type-C earphones, Data cable, 15W charger, User manual, Ejection pin

Availability

Officially announced
Jun 11, 2019	Mar 24, 2020

Alternative variants

with 128GB storage

Memory	6GB/128GB

Links

Full specifications
Samsung Galaxy M40 Specs	Samsung Galaxy A31 Specs