Samsung Galaxy M40 vs Samsung Galaxy M31s 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.

Samsung Galaxy M40 Samsung Galaxy M31s
Released · Jun 18, 2019
Released · Aug 06, 2020
6.3-inch · 2340x1080px
6.5-inch · 2400x1080px
Triple camera
Quad camera
6GB · 128GB
6GB · 128GB
3500 mAh
6000 mAh

Availability

Officially announced
Jun 11, 2019 Jul 30, 2020
Prices (MSRP)
€310

Design

Dimensions
6.11 x 2.91 x 0.31 inches
155.3 x 73.9 x 7.9 mm
6.27 x 2.93 x 0.37 inches
159.3 x 74.4 x 9.3 mm
Weight
5.93 oz / 168.0 g 7.16 oz / 203.0 g
Materials
Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch) Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Midnight blue, Seawater blue Mirage black, Mirage blue

Display

Size
6.3-inch, 84.94% screen-to-body 6.5-inch, 86.06% screen-to-body
Type
IPS LCD Super AMOLED
Resolution
2340x1080px, 19.5:9 ratio, 409 PPI 2400x1080px, 20:9 ratio, 405 PPI
Protection
Corning Gorilla Glass Corning Gorilla Glass 3
Features
Scratch-resistant glass, Proximity sensor

Hardware

System chip
Snapdragon 675 SM6150 (11 nm) Samsung Exynos 9611 (10 nm)
Processor
Octa-core
2000 MHz
Kryo 460
Octa-core
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53
GPU
Adreno 612 Mali-G72 MP3
Memory
6GB (LPDDR4)/128GB 6GB (LPDDR4)/128GB (UFS 2.1)
8GB/128GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (10, 9.0 Pie) Android (11, 10)

Battery

Type
3500 mAh 6000 mAh
Charging
Samsung Adaptive Fast Charging Fast charging
Reverse wired charging
Charge speed
Wired: 25.0W

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
64 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.7"
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
12 MP (Ultra-wide)
Aperture size: F2.2
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
4K UHD (30 fps), 1080p (120 fps), 720p (480 fps)
Hyperlapse, EIS
Front
16 MP (HDR)
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), Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, 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
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 FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 8 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66
4G (TDD) Bands
40, 41 38, 40, 41
3G Bands
5, 8, 1 1, 2, 4, 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

Alternative variants

with 8GB RAM
Memory 8GB
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