Display
Size:
6.2 inches
6.7 inches
6.5 inches
Resolution:
2960 x 1440 pixels, 18.5:9 ratio, 531 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
Super AMOLED
IPS LCD
Super AMOLED
Screen-to-body:
83.68 %
84.36 %
87.37 %
Features:
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), 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 845 SDM845
Qualcomm Snapdragon 690 SM6350
Samsung Exynos 980
Processor:
Octa-core, 2800 MHz, Kryo 385, 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 630
Adreno 619L
Mali-G76 MP5
RAM:
6GB LPDDR4
6GB LPDDR4
6GB LPDDR4
Internal storage:
64GB
128GB, available to use: 99 GB
128GB, available to use: 105.3 GB
Storage expansion:
microSDXC up to 400 GB
microSDXC up to 2000 GB
microSDXC up to 1000 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI
Android (10)
Android (10), Samsung One UI
Battery
Capacity:
3500 mAh
4000 mAh
4500 mAh
Type:
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging
Qualcomm Quick Charge 4
Fast charging
Max charge speed:
Wired: 25.0W
Camera
Rear:
Dual camera
Quad camera
Quad camera
Main camera:
12 MP (OIS, PDAF)
64 MP (PDAF)
48 MP (PDAF)
Specifications:
Aperture size: F1.5/F2.4; Focal length: 26 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:
12 MP (Telephoto, OIS, Autofocus)
5 MP (Ultra-wide)
12 MP (Ultra-wide)
Specifications:
Optical zoom: 2.0x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm
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) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
Features:
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, EIS, Video calling, Video sharing
Time-lapse video, EIS
Hyperlapse, EIS
Front:
8 MP (Autofocus, HDR)
16 MP
32 MP (HDR)
Video capture:
2560x1440 (QHD) (30 fps)
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.22 x 2.91 x 0.33 inches (158.1 x 73.8 x 8.5 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:
6.67 oz (189.0 g)
7.14 oz (202.0 g)
6.60 oz (187.0 g)
Materials:
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Plastic; Frame: Aluminum
Resistance:
Water, Dust; IP68
Biometrics:
Iris scanner, 2D Face unlock, Fingerprint (touch)
Fingerprint (touch)
2D Face unlock, In-screen fingerprint
Features:
Notification light
Keys:
Left: Volume control, Other; Right: Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue, Polaris blue
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), 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)
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), 39(1900+), 40(2300), 41(2600+), 46
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 Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA
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
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Multiple speakers
Earpiece, Multiple speakers
Earpiece, Loudspeaker
Features:
32-Bit DAC, Dolby Atmos, aptX-HD
aptX
Dolby Atmos
Screen mirroring:
Wireless screen share
DLNA, Wireless screen share
Wireless screen share
Radio:
FM
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 3.1
Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0
Features:
Charging, OTG, Video out
Charging
Charging, OTG
Location:
GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Heart rate, Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other:
NFC, ANT+
NFC, UMA (Wi-Fi Calling)
NFC, ANT+
Hearing aid compatible:
M4, T3
M3, T3
Regulatory Approval
FCC approval:
Date approved:
Jan 11, 2018
Oct 01, 2020
Jul 15, 2020
Measured SAR:
Head:
0.36 W/kg
1.13 W/kg
1.18 W/kg
Body:
0.79 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:
1.04 W/kg
0.67 W/kg
1.37 W/kg
Phablet:
3.94 W/kg
3.53 W/kg
Buyers information
Price:
$ 840
$ 395
$ 500
User Manual:
This is the official Samsung Galaxy A51 5G User Guide in English provided from the manufacturer.
In The Box:
A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions
Availability
Officially announced:
Feb 25, 2018
Oct 29, 2020
Apr 08, 2020
