Samsung Galaxy M30 vs Samsung Galaxy A31 Specs Comparison

Design

Dimensions
6.26 x 2.96 x 0.33 inches 159 x 75.1 x 8.5 mm	6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm
Weight
6.14 oz (174.0 g)	6.53 oz (185.0 g)
Materials
Back: Plastic	Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Features
Soft keys
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Blue	Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
6.4-inch	6.4-inch
Resolution
2280x1080px, 19.5:9 ratio, 395 PPI	2400x1080px, 20:9 ratio, 411 PPI
Technology
Super AMOLED	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
86.66 %	84.88 %
Features
Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7 Octa 7904 (14 nm)	MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55
GPU
Mali-G71 MP2	Mali-G52 MC2
RAM
6GB (LPDDR4)	4GB (LPDDR4)
Internal storage
128GB, available to use: 107.6 GB	64GB (eMMC 5.1), available to use: 46.2 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 (10), Samsung One UI

Battery

Capacity
5000 mAh	5000 mAh
Type
	Li - Polymer
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging	Fast charging
Charge speed
	Wired: 15.0W

Camera

Rear
Triple camera	Quad camera
Main camera
13 MP (PDAF) Aperture size: F1.9 Focal length: 27 mm Sensor size: 1/3.1" Pixel size: 1.12 μm	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/5" 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	5 MP (Macro) Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	1920x1080 (Full HD) (30 fps)
Front
16 MP, Video capture: 1920x1080 (Full HD)	20 MP, Video capture: 1920x1080 (Full HD)

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	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

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	Noise cancellation

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), 20(800 DD)
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), 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

Regulatory Approval

FCC approval
Date approved: Feb 13, 2019 FCC ID value: A3LSMM305F	Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL
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: 0.53 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

Availability

Officially announced
Feb 27, 2019	Mar 24, 2020

Alternative variants

with 64 GB storage

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

with 128GB storage

RAM	6GB
Internal storage	128GB

Links

Full specifications
Samsung Galaxy M30 Specs	Samsung Galaxy A31 Specs