Display
Size:
5.6 inches
6.5 inches
6.1 inches
Resolution:
1480 x 720 pixels, 18.5:9 ratio, 294 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
3040 x 1440 pixels, 19:9 ratio, 550 PPI
Technology:
Super AMOLED
Super AMOLED
Dynamic AMOLED
Screen-to-body:
74.94 %
87.37 %
88.66 %
Features:
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
HDR video support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
Hardware
System chip:
Samsung Exynos 7 Octa 7884
Samsung Exynos 980
Qualcomm Snapdragon 855
Processor:
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm
Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
GPU:
Mali-T830 MP1
Mali-G76 MP5
Adreno 640
RAM:
3GB LPDDR3
6GB LPDDR4
8GB LPDDR4
Internal storage:
32GB, available to use: 22.1 GB
128GB, available to use: 105.3 GB
128GB
Storage expansion:
microSDXC up to 400 GB
microSDXC up to 1000 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (10, 8.0 Oreo), Samsung One UI
Android (10), Samsung One UI
Android (10, 9.0 Pie), Samsung One UI
Battery
Capacity:
3000 mAh
4500 mAh
3400 mAh
Type:
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable
Charging:
Fast charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Max charge speed:
Wired: 25.0W
Camera
Rear:
Single camera
Quad camera
Triple camera
Main camera:
16 MP (PDAF, CMOS image sensor)
48 MP (PDAF)
12 MP (OIS, PDAF)
Specifications:
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Second camera:
12 MP (Ultra-wide)
12 MP (Telephoto, OIS, PDAF)
Specifications:
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Optical zoom: 2x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm
Third camera:
5 MP (Macro)
16 MP (Ultra-wide)
Specifications:
Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.1"; Pixel size: 1 μm
Fourth camera:
5 MP (Depth information)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Video recording:
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Features:
Video calling, Video sharing
Hyperlapse, EIS
HDR, Time-lapse video, Hyperlapse, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
Front:
16 MP (Flash)
32 MP (HDR)
10 MP (Autofocus, HDR)
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
3840x2160 (4K UHD)
Design
Dimensions:
5.90 x 2.79 x 0.30 inches (149.9 x 70.8 x 7.7 mm)
6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)
5.90 x 2.77 x 0.31 inches (149.9 x 70.4 x 7.8 mm)
Weight:
5.71 oz (162.0 g)
6.60 oz (187.0 g)
5.54 oz (157.0 g)
Materials:
Back: Metal
Back: Plastic; Frame: Plastic
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Resistance:
Water, Dust; IP68
Biometrics:
2D Face unlock, Fingerprint (touch)
2D Face unlock, In-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint
Keys:
Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key
Colors:
Black, Gold, Lavender, Blue
Prism cube black
Prism blue, Prism black, Prism white, Prism green, Flamingo pink
Cellular
5G:
n41, n71, SA, NSA
LTE (FDD):
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS)
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)
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+), 28(700 APT), 29(700 d), 30(2300 WCS), 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+), 46
UMTS:
850, 1900, 2100 MHz
850, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
Data Speed:
LTE-A Cat 6 (300/50 Mbit/s), 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
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
Yes
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers
Features:
Dolby Atmos, Album art cover, Background playback
Dolby Atmos
32-Bit DAC, Dolby Atmos, aptX-HD
Screen mirroring:
Wireless screen share
Wireless screen share
Wireless screen share
Radio:
FM, Recording option
FM
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
5.0
5.0
Wi-Fi:
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
802.11 a, b, g, n, ac, ax, dual-band; MIMO, Wi-Fi Direct, Hotspot
USB:
microUSB, USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1
Features:
Charging, Mass storage device
Charging, OTG
Charging, OTG, Video out
Location:
GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Heart rate, Barometer
Other:
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+
NFC, ANT+
Hearing aid compatible:
M3, T3
M3, T3
M4, T4
Regulatory Approval
FCC approval:
Date approved:
Aug 01, 2018
Jul 15, 2020
Feb 01, 2019
Measured SAR:
Head:
0.36 W/kg
1.18 W/kg
0.39 W/kg
Body:
1.40 W/kg
1.20 W/kg
1.37 W/kg
Simultaneous Transmission:
1.57 W/kg
3.25 W/kg
1.59 W/kg
Wireless Router:
1.40 W/kg
1.37 W/kg
1.35 W/kg
Phablet:
3.99 W/kg
Buyers information
Price:
$ 360
$ 500
$ 900
User Manual:
This is the official Samsung Galaxy A51 5G User Guide in English provided from the manufacturer.
In The Box:
Charger, microUSB cable, Headset and Documentation
A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions
Data cable, Travel adapter, Ejection Pin, USB Connector (OTG), Earphones by AKG, Quick Start Guide, Protective film
Availability
Officially announced:
May 02, 2018
Apr 08, 2020
Feb 20, 2019