Display
Size:
6.0 inches
6.7 inches
6.5 inches
Resolution:
2160 x 1080 pixels, 18:9 ratio, 402 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
OLED
IPS LCD
Super AMOLED
Screen-to-body:
76.19 %
84.36 %
87.37 %
Features:
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor
60Hz refresh rate, 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 670 SDM670
Qualcomm Snapdragon 690 SM6350
Samsung Exynos 980
Processor:
Octa-core, 2000 MHz, Kryo 360, 64-bit, 10 nm
Octa-core, 2000 MHz, Kryo 560, 64-bit, 8 nm
Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm
GPU:
Adreno 615
Adreno 619L
Mali-G76 MP5
RAM:
4GB LPDDR4
6GB LPDDR4
6GB LPDDR4
Internal storage:
64GB, not expandable
128GB, available to use: 99 GB
128GB, available to use: 105.3 GB
Storage expansion:
microSDXC up to 2000 GB
microSDXC up to 1000 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (11, 10, 9.0 Pie)
Android (10)
Android (10), Samsung One UI
Battery
Capacity:
3700 mAh
4000 mAh
4500 mAh
Type:
Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
USB Power Delivery
Qualcomm Quick Charge 4
Fast charging
Max charge speed:
Wired: 25.0W
Camera
Rear:
Single camera
Quad camera
Quad camera
Main camera:
12.2 MP (OIS, PDAF)
64 MP (PDAF)
48 MP (PDAF)
Specifications:
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 25 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
5 MP (Ultra-wide)
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Third camera:
2 MP (Macro)
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: F2.4; Pixel size: 1.75 μm
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)
3840x2160 (4K UHD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
Features:
EIS
Time-lapse video, EIS
Hyperlapse, EIS
Front:
8 MP
16 MP
32 MP (HDR)
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.30 x 3.00 x 0.32 inches (160.1 x 76.1 x 8.2 mm)
6.55 x 3.04 x 0.33 inches (166.4 x 77.2 x 8.4 mm)
6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)
Weight:
5.89 oz (167.0 g)
7.14 oz (202.0 g)
6.60 oz (187.0 g)
Materials:
Back: Plastic
Back: Plastic; Frame: Aluminum
Biometrics:
Fingerprint (touch)
Fingerprint (touch)
2D Face unlock, In-screen fingerprint
Keys:
Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Black, Purple, White
Titan gray
Prism cube black
Cellular
5G:
SA, NSA
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), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS), 20(800 DD), 29(700 d), 30(2300 WCS), 66(AWS-3)
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), 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 5(850), 2(1900), 1(2100)
Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
Data Speed:
LTE-A Cat 11 (600/75 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
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
Yes
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Multiple speakers
Earpiece, Multiple speakers
Earpiece, Loudspeaker
Features:
aptX-HD
aptX
Dolby Atmos
Screen mirroring:
Wireless screen share
DLNA, Wireless screen share
Wireless screen share
Radio:
FM
Additional microphone(s):
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; 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 3.1
Type-C (reversible), USB 2.0
Features:
Charging, Mass storage device
Charging
Charging, OTG
Location:
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Barometer
Accelerometer, Gyroscope, Compass, Heart rate, Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other:
NFC, VoIP, Tethering, Computer sync, OTA sync
NFC, UMA (Wi-Fi Calling)
NFC, ANT+
Hearing aid compatible:
M3, T3
M4, T3
M3, T3
Regulatory Approval
FCC approval:
Date approved:
Feb 25, 2019
Oct 01, 2020
Jul 15, 2020
Measured SAR:
Head:
1.33 W/kg
1.13 W/kg
1.18 W/kg
Body:
1.18 W/kg
0.57 W/kg
1.20 W/kg
Simultaneous Transmission:
1.59 W/kg
1.59 W/kg
3.25 W/kg
Wireless Router:
1.18 W/kg
0.67 W/kg
1.37 W/kg
Phablet:
3.53 W/kg
Buyers information
Price:
$ 479
$ 395
$ 500
User Manual:
This is the official Samsung Galaxy A51 5G User Guide in English provided from the manufacturer.
In The Box:
18W USB-C power adapter, 1M USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool
A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions
Availability
Officially announced:
May 07, 2019
Oct 29, 2020
Apr 08, 2020