Home Phone comparison Samsung Galaxy M51 and Samsung Galaxy M31 - Which is better?

Samsung Galaxy M51 vs Samsung Galaxy M31

53 out 100
Samsung Galaxy M51
VS
46 out 100
Samsung Galaxy M31
Samsung Galaxy M51
Samsung Galaxy M31

Compared 2 smartphones : Samsung Galaxy M51 Manufactured in September, 2020, with display 6.7 with chipsetQualcomm Snapdragon 730G, vs Samsung Galaxy M31, Manufactured in March, 2020 with chipsetSamsung Exynos 7 Octa 9611. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy M51
  • Larger display: 6.7in
  • Higher battery capacity: 7000mAh vs 6000mAh
Reasons to choose Samsung Galaxy M31
  • Higher pixel density: 403ppi
  • Lighter design: 191g vs 213g

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB		 - 6/64 GB
- 6/128 GB
- 8/128 GB

Review

Key Specs Samsung Galaxy M51 and Samsung Galaxy M31
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Samsung Galaxy M51
vs
Samsung Galaxy M31

Display

Display quality comparison
Type Super AMOLED Super AMOLED
Size 6.7 in 6.4 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 393 ppi 403 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 650 nits 600 nits
HDR support No Yes HDR10
Screen-to-body ratio 86.6 % 84.1 %
Features Always-On Display Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy M51
675 nits
Samsung Galaxy M31
614 nits
sRGB gamut97.6 %142 %
PWM (Flicker)255 Hz208 Hz
Response time8 ms8.5 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Samsung Galaxy M51], [Samsung Galaxy M31]

Design & Build

Design and ergonomics comparison
Height 163.9 mm (6.45 in) 159.2 mm (6.27 in)
Width 76.3 mm (3 in) 75.1 mm (2.96 in)
Thickness 9.5 mm (0.37 in) 8.9 mm (0.35 in)
Weight 213 g (7.51 oz) 191 g (6.74 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black		 - Black
- Blue
- Red
Fingerprint sensor Yes In-Button Yes rear
Screen-to-body ratio
Samsung Galaxy M51
86.6 %
Samsung Galaxy M31
84.1 %

Performance

Testing Samsung Galaxy M51 and Samsung Galaxy M31 In benchmarks
Processor
Chipset Qualcomm Snapdragon 730G Samsung Exynos 7 Octa 9611
Max Frequency 2200 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Kryo 470 Silver (Cortex-A55))
- 2/2.2 (Kryo 470 Gold (Cortex-A76))		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process Samsung Samsung
Transistor Size 8 nm 10 nm
Neural Processor Qualcomm Hexagon 688 Yes
Graphics Adreno 618 Mali-G72 MP3
GPU Cores 256 54
GPU Frequency 700 MHz 850 MHz
FLOPS 358.4 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M51
671
Samsung Galaxy M31
505
Geekbench 6 (Multi-Core)
Samsung Galaxy M51
1799
Samsung Galaxy M31
1547
Geekbench 6 (Single-Core)671505
Geekbench 6 (Multi-Core)17991547
AnTuTu 10
AnTuTu 10
Samsung Galaxy M51
323135
Samsung Galaxy M31
257150
CPU11182473640
GPU6605945350
Memory6031962516
UX8493375644
NanoReview Score323135257150
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M51
738
Samsung Galaxy M31
820
Max Surface Temp.48.2 °C45.2 °C
Stability97 %74 %
Graphics Test4 fps4 fps
Graphics Score738820
Sources: 3DMark [Samsung Galaxy M51], [Samsung Galaxy M31]

Memory

RAM
RAM Size - 6 GB
- 8 GB		 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 2.1UFS 2.1
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 12) Android 10 (Upgradeable to Android 12)
OS Size 22 GB 15 GB
UI Skin One UI 4.1 One UI 4.1

Battery

Volume 7000 mAh 6000 mAh
Max Charging Power 25 W 15 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging No No
Reverse Charging Yes No
Fast Charging Yes (35% in 30 min) Yes Samsung Adaptive Fast Charge (45% in 60 min)
Full Charge Time 1:47 h 2:25 h
Battery Life Test
Battery Life
Samsung Galaxy M51
31:29
Samsung Galaxy M31
24:27
Web Browsing12:03 h10:13 h
Video Playback16:42 h14:16 h
Games06:23 h05:44 h
Standby Mode171 h117 h

Main camera

Matrix 64 MP 64 MP
Photo resolution 9248x6920 pixels 9248x6920 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) 240 fps (720p)
Wide-angle lens 123 ° 123 °
Lenses count Standard: 64 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP		 Standard: 64 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix64 MP64 MP
Aperturef/1.8f/1.8
Focal length26 mm26 mm
SensorSony IMX682ISOCELL Bright GW1
Sensor size1/1.71/1.72
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix12 MP8 MP
Aperturef/2.2f/2.2
Focal lengthn/a12 mm
SensorSamsung S5K3L6n/a
Sensor size1/3.11/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 32 MP
Photo resolution 6464x4864 pixels 6528x4896 pixels
Aperture f/2.2 f/2.0
Focal length 26 mm 26 mm
Sensor Sony IMX616 Sony IMX616
Sensor size 1/2.8 1/2.8
Pixel size 0.8 μm 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Varies by region
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsWCDMA B1 (2100), B2 (1900), B4(AWS), B5(850), B8 (900)HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B26/B28/B66)LTE (B1/B3/B5/B8/B20/B40/B41)
LTE category1512
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy M51
89.9 dB
Samsung Galaxy M31
81.7 dB

Other

Class Mid-range Mid-range
Announced August, 2020 yr February, 2020 yr
Release Date September, 2020 yr March, 2020 yr
Launch Price ($) 340 220
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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