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Samsung Galaxy A9 (2018) vs Samsung Galaxy M31 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.

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Specs Size
Differences only
4.0
Samsung Galaxy A9 (2018)
Samsung Galaxy M31
Samsung Galaxy A9 (2018) Samsung Galaxy M31
Released · Nov 15, 2018
Released · Mar 05, 2020
6.3-inch
6.4-inch
Quad camera
Quad camera
6GB · 128GB
6GB · 64GB
3800 mAh
6000 mAh
Check prices Check prices

Design

Dimensions
6.40 x 3.03 x 0.31 inches
162.5 x 77 x 7.8 mm 		6.27 x 2.96 x 0.35 inches
159.2 x 75.1 x 8.9 mm
Weight
6.46 oz (183.0 g) 6.74 oz (191.0 g)
Materials
Back: Glass
Frame: Metal 		Back: Plastic
Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch) 2D Face unlock, Fingerprint (touch)
Keys
Left: Other; Right: Volume control, Lock/Unlock key; Back: Other Right: Volume control, Lock/Unlock key
Colors
Caviar black, Lemonade blue, Bubblegum pink Blue, Black, Red

Display

Size
6.3-inch 6.4-inch
Resolution
2220x1080px, 18.5:9 ratio, 392 PPI 2340x1080px, 19.5:9 ratio, 403 PPI
Technology
Super AMOLED Super AMOLED
Screen-to-body
80.51 % 83.97 %
Peak brightness
420 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 660 SDM660 (14 nm) Exynos 9611 (10 nm)
Processor
Octa-core
2200 MHz
Kryo 260 		Octa-core
4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
Adreno 512 Mali-G72 MP3
RAM
6GB (LPDDR4) 6GB (LPDDR4)
Internal storage
128GB, available to use: 108.9 GB 64GB (UFS 2.1), available to use: 49 GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI Android (11, 10), Samsung One UI

Battery

Capacity
3800 mAh 6000 mAh
Type
Li - Polymer Li - Polymer
Charging
Samsung Adaptive Fast Charging Fast charging
Charge speed
Wired: 15.0W

Camera

Rear
Quad camera Quad camera
Main camera
24 MP (PDAF)
Aperture size: F1.7
Focal length: 27 mm
Sensor size: 1/2.8"
Pixel size: 0.9 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)
Aperture size: F2.4
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm 		8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
8 MP (Telephoto, Autofocus)
Optical zoom: 2.0x
Aperture size: F2.4
Focal Length: 52 mm
Sensor size: 1/3.9"
Pixel size: 1 μm 		5 MP (Macro)
Aperture size: F2.2
Focal Length: 25 mm
Sensor size: 1/5"
Pixel size: 1.12 μm
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Focal Length: 24 mm
Sensor size: 1/5"
Pixel size: 1.12 μm 		5 MP (Depth information)
Aperture size: F2.2
Flash
LED LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps)
Hyperlapse, Continuous autofocus, EIS, Video calling, Video sharing 		3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)
Hyperlapse, EIS
Front
24 MP, Video capture: 1920x1080 (Full HD) 32 MP (HDR, Slow-motion videos), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
802.11 a,b,g,n,ac,dual-band
MIMO, 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, Galileo, BeiDou 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
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
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) 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 38(2600), 40(2300), 41(2600+) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Oct 18, 2018
FCC ID value: A3LSMA920F 		Date approved: Feb 07, 2020
FCC ID value: A3LSMM315F
Measured SAR
Head: 0.24 W/kg
Body: 0.84 W/kg
Simultaneous Transmission: 1.58 W/kg
Wireless Router: 1.40 W/kg
Phablet: 3.95 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
Charger, USB cable, Headphones, SIM removal tool, Documentation 15W fast charger, Data cable, Ejection pin, User Manual

Availability

Officially announced
Oct 11, 2018 Feb 25, 2020

Alternative variants

Dual SIM
Dual SIM Yes
with 128GB storage
Internal storage 128GB
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