Compare: Samsung Galaxy M31 vs Samsung Galaxy A51
General Features
-
6.4"Super AMOLED
-
64MPQuad camera
-
6GB RAMExynos 9611
-
6000mAhLi-Po
Pros
SD Card area available
FM Radio support
NFC support
Dual sim support
Cons
Not water resistant
No Infrared
Brand
Samsung
Announced
2020, February 25
Release Date
Mar 05, 2020
Status
Available
Out Price
$ 309.89 / £ 229.90
Display
Type
Super AMOLED
Aspect Ratio and PPI
19.5:9 ratio - 411 ppi density
Size
6.4 inches, 96.7 cm2 (~80.9% screen-to-body ratio)
Resolution
1080 x 2340 pixels
Peak brightness (nit)
Protection
Corning Gorilla Glass 3
Features
BODY
Colors
Blue
Black
Red
Dimensions
159.2 • 75.1 • 8.9 mm (6.27 • 2.96 • 0.35 in)
Weight
191 gr (6.74 oz)
Material
Back: Plastic
Frame: Plastic
Frame: Plastic
Certification
Waterproof
No
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
3.5mm Jack
Yes
NFC
Yes
Infrared
No
USB Type
2.0, Type-C 1.0 reversible connector
Loudspeaker Loudness (dB)
PLATFORM
Chipset
Exynos 9611
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Bits
64Bit
Cores
8 Core
Process technology
10 nm
GPU
Mali-G72 MP3
GPU Cores
GPU Frequency
OS
Android 10.0; One UI 2.0
MEMORY
RAM Capacity
6GB RAM
RAM Type
Storage
64GB/128GB ROM
SD Card Slot
microSDXC (dedicated slot)
PERFORMANCE SCORES
Antutu Score
181k
Antutu
v8
Geek Bench Score
GeekBench
Single Score
BATTERY
Capacity
6000
Type
Li-Po
Quick Charge Technology
Video Playback Time
Fast Charging
Yes, 15W
Wireless Charging
No
Main Camera
First Camera
Resolution
64 megapixel
Sensor
Samsung Bright S5KGW1
Aperture
f/1.8
Pixel Size
0.8µm
Sensor Size
1/1.72"
Optical Zoom
Lens
26mm (Wide)
Extra
PDAF
Second Camera
Resolution
8 MP
Sensor
Aperture
f/2.2
Pixel Size
1.12µm
Sensor Size
1/4.0"
Optical Zoom
Lens
12mm (Ultrawide)
Extra
Third Camera
Resolution
5 MP
Sensor
Aperture
f/2.4
Pixel Size
1.12µm
Sensor Size
1/5.0"
Optical Zoom
Lens
25mm (Macro)
Extra
Fourth Camera
Resolution
5 MP
Sensor
Aperture
f/2.2
Pixel Size
Sensor Size
Optical Zoom
Lens
Depth
Extra
Fifth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Sixth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Image Resolution
64 MP
Video Resolution and FPS
3840x2160 (4K UHD) - (30 fps)
1920x1080 (Full) - (30 fps)
1920x1080 (Full) - (30 fps)
Optical Stabilisation (OIS)
No
Electronic Stabilisation (EIS)
Yes
Slow Motion Video
Features
DxOMark Score
Mobile Score (Rear)
Mobile
Selfie Score
Selfie
Selfie Camera
First Camera
Resolution
32 MP
Sensor
Aperture
f/2.0
Pixel Size
Sensor Size
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Video Resolution and FPS
2160p@30fps, 1080p@30fps
Features
HDR
CONNECTIVITY
Technology
GSM / HSPA / LTE
2G Bands
GSM - 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Bands
HSDPA - 850 / 900 / 1700(AWS) / 1900 / 2100
4G Bands
LTE Band - 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
5G Bands
TD-SCDMA
Navigation
Yes, with A-GPS, GLONASS, GALILEO, BDS
Network Speed
HSPA, LTE-A
SIM Card Type
Dual SIM (Nano-SIM, dual stand-by)
Number of SIM Area
2
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE
OTHERS
VoLTE
Yes
FM Radio
Yes
SAR The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue.
Body SAR (EU)
1.127 W/kg
Head SAR (EU)
0.482 W/kg
Body SAR (USA)
Head SAR (USA)
Additional
Extra
Cooling System
No
HDMI
General Features
-
6.5"Super AMOLED
-
48MPQuad camera
-
6GB RAMExynos 9611
-
4000mAhLi-Po
Pros
SD Card area available
FM Radio support
NFC support
Dual sim support
Cons
Not water resistant
No Infrared
Brand
Samsung
Announced
Dec 12, 2019
Release Date
Dec 27, 2019
Status
Coming soon
Out Price
Display
Type
Super AMOLED
Aspect Ratio and PPI
20:9 ratio - 405 ppi density
Size
6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio)
Resolution
1080 x 2400 pixels
Peak brightness (nit)
Protection
Corning Gorilla Glass 3
Features
BODY
Colors
Prism
Black
White
Blue
Pink
Dimensions
158.5 • 73.6 • 7.9 mm (6.24 • 2.90 • 0.31 in)
Weight
172 gr (6.07 oz)
Material
Back: Plastic
Certification
Waterproof
No
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
3.5mm Jack
Yes
NFC
Yes
Infrared
No
USB Type
2.0, Type-C 1.0 reversible connector, USB On-The-Go
Loudspeaker Loudness (dB)
PLATFORM
Chipset
Samsung Exynos 9611
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Bits
64Bit
Cores
8
Process technology
10 nm
GPU
Mali-G72 MP3
GPU Cores
GPU Frequency
OS
Android 10.0; One UI 2
MEMORY
RAM Capacity
4GB/6GB/8GB
RAM Type
LPDDR4X
Storage
64GB/128GB
SD Card Slot
microSD, up to 1 TB (dedicated slot)
PERFORMANCE SCORES
Antutu Score
156k
Antutu
Geek Bench Score
GeekBench
Single Score
BATTERY
Capacity
4000
Type
Li-Po
Quick Charge Technology
Video Playback Time
Fast Charging
Yes
Wireless Charging
No
Main Camera
First Camera
Resolution
Sensor
Samsung S5KGM2
Aperture
f/2
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fourth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fifth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Sixth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Image Resolution
8000 x 6000 pixels, 48 MP
Video Resolution and FPS
3840x2160 (4K UHD) - (30 fps)
1920x1080 (Full) - (30 fps)
1280x720 (HD) - (30 fps)
1920x1080 (Full) - (30 fps)
1280x720 (HD) - (30 fps)
Optical Stabilisation (OIS)
No
Electronic Stabilisation (EIS)
Yes
Slow Motion Video
No
Features
DxOMark Score
Mobile Score (Rear)
Mobile
Selfie Score
Selfie
Selfie Camera
First Camera
Resolution
32 MP
Sensor
Samsung S5KGD1
Aperture
f/2.2
Pixel Size
Sensor Size
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Video Resolution and FPS
1080p@30fps
Features
HDR
CONNECTIVITY
Technology
GSM / HSPA / LTE
2G Bands
GSM - 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Bands
HSDPA - 850 / 900 / 1900 / 2100
4G Bands
LTE - B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28 (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
5G Bands
TD-SCDMA
Navigation
Yes, with A-GPS, GLONASS, GALILEO, BDS
Network Speed
HSPA, LTE-A
SIM Card Type
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Number of SIM Area
2
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE
OTHERS
VoLTE
Yes
FM Radio
Yes
SAR The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue.
Body SAR (EU)
Head SAR (EU)
Body SAR (USA)
Head SAR (USA)
Additional
Extra
Cooling System
No
HDMI