Display
Size:
6.8 inches
6.7 inches
6.5 inches
Resolution:
2400 x 1080 pixels, 20:9 ratio, 386 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
IPS LCD
LTPS
Super AMOLED
Screen-to-body:
82.96 %
85.62 %
87.37 %
Features:
Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 765G SM7250-AB
Qualcomm Snapdragon 750G SM7225
Samsung Exynos 980
Processor:
Octa-core, 2400 MHz, Kryo 475, 64-bit, 7 nm
Octa-core, 2200 MHz, Kryo 570, 64-bit, 8 nm
Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm
GPU:
Adreno 620
Adreno 619
Mali-G76 MP5
RAM:
8GB LPDDR4
4GB LPDDR4
6GB LPDDR4
Internal storage:
128GB
64GB
128GB, available to use: 105.3 GB
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 1024 GB
microSDXC up to 1000 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (11, 10)
Android (10)
Android (10), Samsung One UI
Battery
Capacity:
4500 mAh
5000 mAh
4500 mAh
Type:
Not user replaceable
Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging
Motorola TurboPower
Fast charging
Max charge speed:
Wired: 18.0W
Wired: 15.0W
Wired: 25.0W
Camera
Rear:
Quad camera
Triple camera
Quad camera
Main camera:
64 MP (PDAF)
48 MP (PDAF)
48 MP (PDAF)
Specifications:
Aperture size: F1.9; Pixel size: 0.8 μm
Aperture size: F1.7; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
12 MP (Ultra-wide, Autofocus)
8 MP (Ultra-wide)
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Sensor size: 1/2.4"; Pixel size: 1.3 μm
Aperture size: F2.2; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Third camera:
2 MP (Macro)
2 MP (Macro, Autofocus)
5 MP (Macro)
Specifications:
Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.4; Focal Length: 40 mm
Fourth camera:
2 MP (Depth information)
5 MP (Depth information)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Video recording:
3840x2160 (4K UHD), 1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
Features:
HDR, EIS
Time-lapse video, Hyperlapse, EIS
Hyperlapse, EIS
Front:
24 MP
16 MP (Slow-motion videos)
32 MP (HDR)
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.77 x 3.09 x 0.35 inches (171.9 x 78.56 x 8.99 mm)
6.54 x 3.00 x 0.39 inches (166.1 x 76.1 x 9.9 mm)
6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)
Weight:
8.01 oz (227.0 g)
7.48 oz (212.0 g)
6.60 oz (187.0 g)
Materials:
Back: Plastic
Back: Plastic; Frame: Aluminum
Resistance:
Splash, Dust; IP52
Biometrics:
2D Face unlock, Fingerprint (touch)
Fingerprint (touch)
2D Face unlock, In-screen fingerprint
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Polar night
Volcanic grey, Frosted silver
Prism cube black
Cellular
5G:
n1, n2, n3, n5, n7, n8, n28, n38, n40, n41, n66, n71, n78, SA, NSA
n2, n5, n25, n41, n66, n71
n41, n71, SA, NSA
LTE (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), 28(700 APT), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
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), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
LTE (TDD):
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
UMTS:
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
Data Speed:
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
Yes
VoLTE:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Dolby Atmos
Screen mirroring:
Wireless screen share
Wireless screen share
Wireless screen share
Radio:
FM
FM
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
5.1
5.0
Wi-Fi:
802.11 b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
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
Type-C (reversible), USB 2.0
Features:
Charging, OTG
Charging
Charging, OTG
Location:
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other:
NFC
NFC, UMA (Wi-Fi Calling)
NFC, ANT+
Hearing aid compatible:
M3, T3
M3, T3
Regulatory Approval
Measured SAR:
Head:
1.18 W/kg
Body:
1.20 W/kg
Simultaneous Transmission:
3.25 W/kg
Wireless Router:
1.37 W/kg
Buyers information
Price:
$ 699
$ 400
$ 500
User Manual:
This is the official Samsung Galaxy A51 5G User Guide in English provided from the manufacturer.
In The Box:
Quick start guide, Charger, Headset, Type-C USB cable, SIM tray tool
Headset, protective cover, 10W charger, USB Type-C cable, guides, SIM tool
A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions
Availability
Officially announced:
Mar 19, 2020
Jan 08, 2021
Apr 08, 2020