Display
Size:
6.5 inches
5.7 inches
Resolution:
2400 x 1080 pixels, 20:9 ratio, 405 PPI
1520 x 720 pixels, 19:9 ratio, 295 PPI
Technology:
Super AMOLED
IPS LCD
Screen-to-body:
87.37 %
78.22 %
Features:
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware
System chip:
Samsung Exynos 9611
Qualcomm Snapdragon 439 SDM439
Processor:
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 1950 MHz, ARM Cortex-A53, 64-bit, 12 nm
GPU:
Mali-G72 MP3
Adreno 505
RAM:
4GB LPDDR4
2GB LPDDR3
Internal storage:
128GB, available to use: 105.9 GB
16GB (eMMC 5.1), available to use: 8.3 GB
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (11, 10), Samsung One UI
Android (11, 10)
Battery
Capacity:
4000 mAh
3000 mAh
Type:
Li - Polymer, Not user replaceable
Not user replaceable
Charging:
Fast charging
Fast charging
Max charge speed:
Wired: 7.8W
Camera
Rear:
Quad camera
Dual camera
Main camera:
48 MP (PDAF)
13 MP (Autofocus)
Specifications:
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.2; Focal length: 28 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Second camera:
12 MP (Ultra-wide)
2 MP (Depth information)
Specifications:
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F2.4
Third camera:
5 MP (Macro)
Specifications:
Aperture size: F2.4; Focal Length: 40 mm
Fourth camera:
5 MP (Depth information)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)
Features:
Hyperlapse, EIS
Front:
32 MP (HDR)
5 MP
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
5.81 x 2.79 x 0.33 inches (147.5 x 70.9 x 8.3 mm)
Weight:
6.07 oz (172.0 g)
5.33 oz (151.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic
Biometrics:
2D Face unlock, In-screen fingerprint
Keys:
Right: Volume control, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key
Colors:
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Black, Blue, Red
Cellular
LTE (FDD):
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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 14(700 PS)
LTE (TDD):
Bands 38(2600), 39(1900+), 41(2600+)
UMTS:
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 2(1900), 4(1700/2100), 5(850)
Data Speed:
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Dolby Atmos
Dolby Atmos
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
FM
Additional microphone(s):
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
4.2
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
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features:
Charging, OTG
Charging
Location:
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer
Other:
NFC, ANT+
UMA (Wi-Fi Calling)
Hearing aid compatible:
M4, T3
Regulatory Approval
FCC approval:
Date approved:
Nov 28, 2019
Feb 24, 2020
FCC ID value:
A3LSMA515FN
ZCASMA015A
Measured SAR:
Head:
0.89 W/kg
0.61 W/kg
Body:
1.18 W/kg
0.61 W/kg
Simultaneous Transmission:
1.56 W/kg
1.59 W/kg
Wireless Router:
1.12 W/kg
1.39 W/kg
Phablet:
2.76 W/kg
Buyers information
Price:
$ 400
$ 100
User Manual:
This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy A01 User Guide in English provided from the manufacturer.
In The Box:
QuickStart Guide, Charging Block, USB-C, SIM tray eject tool
Availability
Officially announced:
Dec 12, 2019
Dec 17, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless