Samsung Galaxy M30 vs Samsung Galaxy M31

$230 VIEW ON AMAZON
$413 VIEW ON eBay

Display

Size

6.4 inches
6.4 inches

Resolution

2280 x 1080 pixels, 19.5:9 ratio,
395 PPI
2340 x 1080 pixels, 19.5:9 ratio,
403 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

86.66 %
83.97 %

Features

Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7904
Exynos 9611

Processor

Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2300 MHz, Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm

GPU

Mali-G71 MP2
Mali-G72 MP3

RAM

6GB LPDDR4
6GB LPDDR4

Internal storage

128GB
64GB

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
6000 mAh

Type

Not user replaceable
Not user replaceable

Charging

Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging
 

Camera

Rear

Triple camera
Quad camera

Main camera

13 MP (PDAF)
64 MP (PDAF)

Specifications

Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Second camera

5 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

5 MP (Depth information)
5 MP (Macro)

Specifications

Aperture size: F2.2
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

Video recording

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)

Features

Video calling, Video sharing
Hyperlapse, EIS

Front

16 MP
32 MP (HDR, Slow-motion videos)

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 g)
the average is 6.4 oz (184 g)
6.74 oz (191 g)
the average is 6.4 oz (184 g)

Materials

Back: Plastic
Back: Plastic; Frame: Plastic

Biometrics

2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Features

Soft keys
 

Colors

Black, Blue
Ocean blue, Space black

Cellular

LTE (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)

LTE (TDD)

Bands 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

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

Features

Album art cover, Background playback, Dolby Atmos
Dolby Atmos

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0

Features

Mass storage device, Charging
Charging

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other

VoIP, Tethering, Computer sync, OTA sync
 

Phone features

Notifications

Haptic feedback, Music ringtones, Vibration
 

Other features

Voice dialing, Voice commands, Voice recording
 

Shopping information

In The Box

 
15W fast charger, Data cable, Ejection pin, User Manual
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