Display
Size:
5.6 inches
6.5 inches
6.7 inches
Resolution:
1480 x 720 pixels, 18.5:9 ratio, 294 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI
Technology:
Super AMOLED
Super AMOLED
Super AMOLED Plus
Screen-to-body:
74.94 %
87.37 %
87.24 %
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
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
Samsung Exynos 7 Octa 7884
Samsung Exynos 980
Qualcomm Snapdragon 730 SM7150-AA
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, 2200 MHz, Kryo 470, 64-bit, 8 nm
GPU:
Mali-T830 MP1
Mali-G76 MP5
Adreno 618
RAM:
3GB LPDDR3
6GB LPDDR4
6GB LPDDR4
Internal storage:
32GB, available to use: 22.1 GB
128GB, available to use: 105.3 GB
128GB, available to use: 106.1 GB
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), Samsung One UI
Battery
Capacity:
3000 mAh
4500 mAh
4500 mAh
Type:
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging
Fast charging
Max charge speed:
Wired: 25.0W
Camera
Rear:
Single camera
Quad camera
Quad camera
Main camera:
16 MP (PDAF, CMOS image sensor)
48 MP (PDAF)
64 MP (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: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Second camera:
12 MP (Ultra-wide)
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 12 mm
Third camera:
5 MP (Macro)
5 MP (Macro)
Specifications:
Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.4; Focal Length: 25 mm
Fourth camera:
5 MP (Depth information)
5 MP (Depth information)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
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) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Features:
Video calling, Video sharing
Hyperlapse, EIS
EIS
Front:
16 MP (Flash)
32 MP (HDR)
32 MP (HDR)
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)
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)
6.44 x 2.99 x 0.30 inches (163.6 x 76 x 7.7 mm)
Weight:
5.71 oz (162.0 g)
6.60 oz (187.0 g)
6.31 oz (179.0 g)
Materials:
Back: Metal
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic
Biometrics:
2D Face unlock, Fingerprint (touch)
2D Face unlock, In-screen fingerprint
2D Face unlock, In-screen fingerprint
Keys:
Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Black, Gold, Lavender, Blue
Prism cube black
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
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), 17(700 b), 20(800 DD), 28(700 APT), 66(AWS-3)
LTE (TDD):
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
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, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Dolby Atmos, Album art cover, Background playback
Dolby Atmos
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, dual-band; Wi-Fi Direct, Hotspot
USB:
microUSB, USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features:
Charging, Mass storage device
Charging, OTG
Charging, OTG
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)
Other:
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+
NFC, ANT+
Hearing aid compatible:
M3, T3
M3, T3
Regulatory Approval
FCC approval:
Date approved:
Aug 01, 2018
Jul 15, 2020
Measured SAR:
Head:
0.36 W/kg
1.18 W/kg
Body:
1.40 W/kg
1.20 W/kg
Simultaneous Transmission:
1.57 W/kg
3.25 W/kg
Wireless Router:
1.40 W/kg
1.37 W/kg
Buyers information
Price:
$ 360
$ 500
User Manual:
This is the official Samsung Galaxy A51 5G User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy A71 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
Availability
Officially announced:
May 02, 2018
Apr 08, 2020
Dec 12, 2019