Display
Size:
6.4 inches
6.5 inches
6.5 inches
Resolution:
2160 x 1080 pixels, 18:9 ratio, 380 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
2400 x 1080 pixels, 20:9 ratio, 406 PPI
Technology:
Super AMOLED
IPS LCD
Screen-to-body:
78.16 %
87.37 %
83.51 %
Colors:
16 777 216
Features:
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
90Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 450 SDM450
Samsung Exynos 980
Qualcomm Snapdragon 690 SM6350
Processor:
Octa-core, 1800 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, 2000 MHz, Kryo 560, 64-bit, 8 nm
GPU:
Adreno 506
Mali-G76 MP5
Adreno 619L
RAM:
3GB LPDDR3
6GB LPDDR4
6GB LPDDR4
Internal storage:
32GB, available to use: 21 GB
128GB, available to use: 105.3 GB
128GB (UFS 2.1)
Storage expansion:
microSDXC up to 128 GB
microSDXC up to 1000 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (9.0 Pie)
Android (10), Samsung One UI
Android (10)
Battery
Capacity:
4000 mAh
4500 mAh
4300 mAh
Type:
Not user replaceable
Li - Polymer, Not user replaceable
Not user replaceable
Charging:
Qualcomm Quick Charge 3.0
Fast charging
OnePlus Warp Charge
Max charge speed:
Wired: 25.0W
Wired: 30.0W
Camera
Rear:
Dual camera
Quad camera
Quad camera
Main camera:
16 MP (Autofocus)
48 MP (PDAF)
64 MP (PDAF)
Specifications:
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Second camera:
5 MP
12 MP (Ultra-wide)
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F2.2
Third camera:
5 MP (Macro)
2 MP (Macro)
Specifications:
Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.4
Fourth camera:
5 MP (Depth information)
2 MP (Black and White)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.4
Video recording:
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features:
Video calling, Video sharing
Hyperlapse, EIS
Time-lapse video
Front:
13 MP
32 MP (HDR)
16 MP (EIS, HDR)
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.53 x 3.17 x 0.33 inches (165.9 x 80.5 x 8.4 mm)
6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)
6.42 x 2.94 x 0.35 inches (163 x 74.7 x 8.95 mm)
Weight:
5.99 oz (170.0 g)
6.60 oz (187.0 g)
6.70 oz (190.0 g)
Materials:
Back: Plastic; Frame: Metal
Back: Plastic; Frame: Aluminum
Biometrics:
2D Face unlock, Fingerprint (touch)
2D Face unlock, In-screen fingerprint
2D Face unlock, Fingerprint (touch)
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key
Colors:
Quicksilver
Prism cube black
Midnight ice
Cellular
5G:
n41, n71, SA, NSA
n2, n5, n25, n41, n66, n71
LTE (FDD):
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 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)
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+)
UMTS:
Bands 5(850), 4(1700/2100), 2(1900)
Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed:
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Pro Cat 16 (1000/150 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
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
VoLTE:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers
Features:
Album art cover, Background playback
Dolby Atmos
aptX, aptX-HD
Screen mirroring:
Wireless screen share
Wireless screen share
Wireless screen share
Radio:
FM
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
4.2
5.0
5.1
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible)
Features:
Mass storage device, Charging
Charging, OTG
Charging
Location:
GPS, A-GPS
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Barometer
Other:
UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+
NFC
Hearing aid compatible:
M4, T4
M3, T3
Phone features
Notifications:
Haptic feedback, Music ringtones, Vibration
Other features:
Voice dialing, Voice commands, Voice recording, TTY/TDD
Regulatory Approval
FCC approval:
Date approved:
Dec 30, 2018
Jul 15, 2020
Measured SAR:
Head:
0.25 W/kg
1.18 W/kg
Body:
0.97 W/kg
1.20 W/kg
Simultaneous Transmission:
1.28 W/kg
3.25 W/kg
Wireless Router:
1.28 W/kg
1.37 W/kg
Buyers information
Price:
$ 130
$ 500
$ 300 / € 350
User Manual:
This is the official Samsung Galaxy A51 5G User Guide in English provided from the manufacturer.
In The Box:
Charger, Data cable, Quick start guide, Warranty guide
A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions
Warp Charge Adapter, Warp Type-C Cable, Quick Start Guide, Safety Information, SIM Tray Ejector
Availability
Officially announced:
May 13, 2019
Apr 08, 2020
Oct 26, 2020