Samsung Galaxy M31 vs Samsung Galaxy M51: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy M31 vs Samsung Galaxy M51. The complete information of specifications to decide which to buy.

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Samsung Galaxy M31Samsung Galaxy M31Global · 6GB · 64GB · M315F
Samsung Galaxy M51Samsung Galaxy M51Global · 6GB · 128GB
Technical data sheets

Basics
Samsung Galaxy M31
Samsung Galaxy M31
Global · 6GB · 64GB · M315F
View datasheet
vs
Samsung Galaxy M51
Samsung Galaxy M51
Global · 6GB · 128GB
View datasheet
vs

Score
Ki Cost-effective
Score		 -- No price,
no Ki 		-- No price,
no Ki
Design and Screen score 5.5Design & Materials 6.4Design & Materials
Performance and Hardware score 5.8Performance & Hardware 6.1Performance & Hardware
Camera score 6.9Camera 7.2Camera
Connectivity score 7.1 Connectivity 7.2 Connectivity
Battery score 8.5 Battery 8.9 Battery

User reviews
User score
8.5
28 reviews
8.8
20 reviews

Technical specifications of the Samsung Galaxy M31 vs Samsung Galaxy M51

Specs stores to buy Samsung Galaxy M31 Samsung Galaxy M31
Global · 6GB · 64GB · M315F 		where to buy Samsung Galaxy M51 Samsung Galaxy M51
Global · 6GB · 128GB
Inches 6.4" 6.67"
Resolution FHD+ FHD+
Usable surface 84% useful 85% useful
Aspect Ratio 19.5:9 20:9
Dimensions 75.1 mm
159.2 mm
8.9 mm 		76.3 mm
163.9 mm
9.5 mm
Weight 191 g 213 g
Micro Exynos 9611
Octa-Core 		SnapD. 730G
Octa-Core
RAM 6 GB RAM 6 GB RAM
Storage 64 GB 128 GB
AnTuTu 180.011
v8 		275.000
v8
Battery 6000 mAh 7000 mAh
Main Camera 1
64 Mpx · ƒ/1.8
Bright S5KGW1
2 3 4 		1
64 Mpx · ƒ/1.8
IMX682 Exmor RS
2 3 4
Selfie Camera SELF 32 Mpx · ƒ/2.0 SELF 32 Mpx · ƒ/2.2
Bands
OS Android 12 Snow Cone Android 12 Snow Cone

Brand
Brand Samsung Samsung
Aliases SM-M315F, SM-M315F/DS SM-M515F

Release Date
Release date February 2020,
4 years ago 		September 2020,
3 years ago
State Not available Not available
Market Global Global

Design & Materials

Structure

Samsung Galaxy M31
Samsung Galaxy M51
Samsung Galaxy M31
Samsung Galaxy M51
Size
75.1 mm • 159.2 mm • 8.9 mm
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 Print 3D Model
76.3 mm • 163.9 mm • 9.5 mm
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 Print 3D Model
Weight 191 g 213 g
Usable surface 84 % 85 %
Materials Plastic Plastic
Resistance - -
Colors
Black

Blue
Black

Blue

Screen
Diagonal 6.4" 6.67"
Type Super AMOLED Super AMOLED
Aspect Ratio 19.5:9 20:9
Resolution FHD+
1080 x 2340 px 		FHD+
1080 x 2400 px
Density 403 Pixels per inch 395 Pixels per inch

Others

Others
  • Water Drop Notch
  • Peak brightness - 420 cd/m²
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • Frameless
  • Infinity-U display
  • Hole-punch Notch
  • Peak brightness - 420 cd/m²
  • Always-On Display
  • 110% NTSC
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • Frameless
  • Infinity-U display

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
7.4
6.7
Do you think it's a nice phone?
7.9
8.4
Is it comfortable?
8.3
8.3
Can you see it well in the sunlight?
8.3
8.3
Number of reviews
28 reviews
20 reviews

Performance & Hardware

Processor
Model Samsung Exynos 7 Octa 9611 Qualcomm Snapdragon 730G
CPU 4x Cortex-A73 2.3 GHz + 4x Cortex-A53 1.67 GHz 2x Kryo 470 2.2 GHz + 6x Kryo 470 1.8 GHz
Type Octa-Core Octa-Core
Manufacturing 10 nm 8 nm
64 Bits Yes Yes

Graphics
GPU ARM Mali-G72 MP3 Qualcomm Adreno 618

RAM
RAM 6 GB 6 GB
Type LPDDR4X RAM LPDDR4X RAM

Antutu
Score
180.011
Antutu v8
Overall performance better than 56% of devices
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275.000
Antutu v8
Overall performance better than 64% of devices
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Storage
Capacity 64 GB 128 GB
Type UFS Storage 2.1 UFS Storage 2.1
SD Slot Yes ,
Independent SD slot 		Yes ,
Independent SD slot

Security
Fingerprint Yes, in the back Yes, on the side

Sensors
Sensors
  • Fingerprint
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Geomagnetic
  • Fingerprint
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Geomagnetic

Audio

Audio
-
  • Hi-Res Audio

Others
Notifications LED -- --
Cooling system No No
Gaming buttons No No

User reviews

Does it have good sound?
7.5
7.2
Does it work smoothly in everyday use?
8.9
9.2
What's your experience been with demanding games?
8.1
8.2
Number of reviews
28 reviews
20 reviews

Camera

Main
No. of cameras Quad rear camera Quad rear camera
1
Camera type

Standard

Standard
Resolution 64 Mpx 64 Mpx
Sensor Samsung Bright S5KGW1 Sony IMX682 Exmor RS
Type ISOCELL CMOS
Aperture ƒ/ 1.8 ƒ/ 1.8
ISO 100 - 800 100 - 800
Pixel size 0.80 µm 0.80 µm
Pixel Binning 1-4 (2x2) 1-4 (2x2)
Sensor size 1/1.72" 1/1.7"
2
Camera type

Wide Angle lens

Wide Angle lens
Resolution
8 Mpx
13 Mpx
Sensor
Unknown
Samsung S5K3L6
Type
--
ISOCELL
Aperture
ƒ/ 2.2
ƒ/ 2.2
Pixel size
--
1.12 µm
Pixel Binning
--
--
Sensor size
--
1/3.1"
3
Camera type

Portrait mode (depth)

Portrait mode (depth)
Resolution
5 Mpx
5 Mpx
Sensor
Unknown
GalaxyCore GC5035
Type
--
CMOS BSI
Aperture
ƒ/ 2.2
ƒ/ 2.4
Pixel size
--
1.12 µm
Pixel Binning
--
--
Sensor size
--
1/5"
4
Camera type

Macro lens

Macro lens
Resolution
5 Mpx
5 Mpx
Sensor
Unknown
GalaxyCore GC5035
Type
--
CMOS BSI
Aperture
ƒ/ 2.4
ƒ/ 2.4
Pixel size
--
1.12 µm
Pixel Binning
--
--
Sensor size
--
1/5"

Features
Flash LED LED
Optical Stabilisation No No
Slow Motion Video No,
30 fps 		Yes,
240 fps
Others
  • 4K Video
  • Digital zoom
  • Quadruple camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • 2x1 OCL
  • TImeline in Night Mode
  • 4K Video
  • Digital zoom
  • Quadruple camera
  • Ultra stable video
  • Autofocus
  • Touch focus
  • Phase detection autofocus (PDAF)
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Night Mode

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 32 Mpx 32 Mpx
Sensor Sony IMX616 Sony IMX616
Type CMOS CMOS
Aperture ƒ/ 2.0 ƒ/ 2.2
Pixel size 0.80 µm 0.80 µm
Pixel Binning 1-4 (2x2) 1-4 (2x2)
Sensor size 1/2.8" 1/2.8"
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
9.3
9.0
Quality of nighttime photos
7.7
7.4
Quality of selfies
8.5
8.8
Does it have a powerful flash?
8.5
7.8
Number of reviews
28 reviews
20 reviews

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B13 (700)
  • B17 (700)
  • B20 (800)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B17 (700)
  • B20 (800)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card
Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM

Wi-Fi
Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct

Bluetooth
Version Bluetooth 5.0 Bluetooth 5.0
Others
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • HOGP
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • HOGP
  • APT-x
  • LDAC
  • SBC

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • GPS
  • A-GPS
  • GLONASS
  • Beidou

USB
USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C

SAR
European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

 0.482 W/Kg on head
1.127 W/Kg on body 		0.482 W/Kg on head
1.127 W/Kg on body
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

 -- --

Others
Others
  • NFC
  • Audio Jack
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • ANT+
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • ANT+

User reviews

Does it have good coverage for calls?
8.6
8.7
Quality of the GPS
8.7
8.3
And the WiFi?
8.6
8.6
Number of reviews
28 reviews
20 reviews

Battery

Battery
Capacity
6000 mAh
See more details
7000 mAh
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Type Li-Ion Li-Ion
Fast charge Yes,
15.0W 		Yes,
25.0W
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 14%
    One day
  • 50%
    More than one day
  • 36%
    Two days or more
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 0%
    One day
  • 40%
    More than one day
  • 60%
    Two days or more
Number of reviews
28 reviews
20 reviews

Software

Software
Operating System
  • Android 12
    Android 12 Snow Cone, 3 years ago
  • Android 12
    Android 12 Snow Cone, 3 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 0%
    It comes with a clean operating system
  • 79%
    It has preinstalled apps but they don't bother me
  • 21%
    It has preinstalled apps that I can't uninstall
  • 5%
    It comes with a clean operating system
  • 90%
    It has preinstalled apps but they don't bother me
  • 5%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 0%
    Never
  • 4%
    Once a year
  • 61%
    Every six months
  • 35%
    Every two months or less
  • 0%
    Never
  • 0%
    Once a year
  • 44%
    Every six months
  • 56%
    Every two months or less
Number of reviews
28 reviews
20 reviews
Prices
Prices unavailable
Prices unavailable

Others

Common comparisons