Samsung Galaxy M30 vs Samsung Galaxy M31 Specs Comparison

Display

Size
6.4-inch	6.4-inch
Resolution
2280 x 1080 px, 19.5:9 ratio, 395 PPI	2340 x 1080 px, 19.5:9 ratio, 403 PPI
Technology
Super AMOLED	Super AMOLED
Screen-to-body
86.66 %	83.97 %
Peak brightness
	420 cd/m2 (nit)
Features
Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7 Octa 7904 (14 nm)	Exynos 9611 (10 nm)
Processor
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit	Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
GPU
Mali-G71 MP2	Mali-G72 MP3
RAM
6GB (LPDDR4)	6GB (LPDDR4)
Internal storage
128GB, available to use: 107.6 GB	64GB (UFS 2.1), available to use: 49 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.1 Oreo), Samsung One UI	Android (11, 10), Samsung One UI
Device type
Smartphone	Smartphone

Battery

Capacity
5000 mAh	6000 mAh
Type
Not user replaceable	Li - Polymer, Not user replaceable
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging	Fast charging
Max charge speed
	Wired: 15.0W

Camera

Rear
Triple camera	Quad camera
Main camera
13 MP (PDAF) Specifications: Aperture size: F1.9 Focal length: 27 mm Sensor size: 1/3.1" Pixel size: 1.12 μm	64 MP (PDAF) Specifications: Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/5" Pixel size: 1.12 μm	8 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
5 MP (Depth information) Specifications: Aperture size: F2.2	5 MP (Macro) Specifications: Aperture size: F2.2 Focal Length: 25 mm Sensor size: 1/5" Pixel size: 1.12 μm
Fourth camera
	5 MP (Depth information) Specifications: Aperture size: F2.2
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Features: Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps) Features: Hyperlapse, EIS
Front
16 MP, Video capture: 1920x1080 (Full HD)	32 MP (HDR, Slow-motion videos), Video capture: 1920x1080 (Full HD)

Design

Dimensions
6.26 x 2.96 x 0.33 inches (159 x 75.1 x 8.5 mm)	6.27 x 2.96 x 0.35 inches (159.2 x 75.1 x 8.9 mm)
Weight
6.14 oz(174.0 g)	6.74 oz(191.0 g)
Materials
Back: Plastic	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Features
Soft keys
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Blue	Blue, Black, Red

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 8(900), 20(800 DD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
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
VoLTE
Yes	Yes

Multimedia

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

Connectivity & Features

Bluetooth
5.0	5.0
Wi-Fi
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 (reversible), USB 2.0, Features: Charging, Mass storage device	Type-C (reversible), USB 2.0, Features: Charging
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
VoIP, Tethering, Computer sync, OTA sync	NFC

Regulatory Approval

FCC approval
Date approved: Feb 13, 2019 FCC ID value: A3LSMM305F	Date approved: Feb 07, 2020 FCC ID value: A3LSMM315F
Measured SAR
Head: 0.28 W/kg Body: 0.39 W/kg Simultaneous Transmission: 1.24 W/kg Wireless Router: 0.93 W/kg	Head: 0.42 W/kg Body: 0.41 W/kg Simultaneous Transmission: 1.54 W/kg Wireless Router: 0.74 W/kg

Buyers information

MSRP
	€ 240
In The Box
	15W fast charger, Data cable, Ejection pin, User Manual

Availability

Officially announced
Feb 27, 2019	Feb 25, 2020

Alternative variants

with 64 GB storage

RAM	4GB
Internal storage	64GB, available to use: 49.9 GB

with 128GB storage

Internal storage	128GB

Links

Full specifications
Samsung Galaxy M30 Specs	Samsung Galaxy M31 Specs