Display
Size:
5.1 inches
6.5 inches
6.5 inches
Resolution:
2560 x 1440 pixels, 577 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
Super AMOLED
Super AMOLED
Super AMOLED
Screen-to-body:
71.75 %
87.37 %
85.79 %
Features:
Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
120Hz refresh rate, HDR support, Scratch-resistant glass, Ambient light sensor, Proximity sensor
Hardware
System chip:
Samsung Exynos 7 Octa 7420
Samsung Exynos 9611
Qualcomm Snapdragon 865 SM8250
Processor:
Octa-core, 2100 MHz, ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2840 MHz, Kryo 585, 64-bit, 7 nm
GPU:
Mali-T760 MP8
Mali-G72 MP3
Adreno 650
RAM:
3GB LPDDR4
4GB LPDDR4
6GB LPDDR5
Internal storage:
128GB, not expandable
128GB, available to use: 105.9 GB
128GB (UFS 3.1), 103.4
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 1000 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (7.0 Nougat, 6.0 Marshmallow, 5.1 Lollipop, 5.0 Lollipop), Samsung TouchWiz UI
Android (11, 10), Samsung One UI
Android (10), Samsung One UI
Battery
Capacity:
2600 mAh
4000 mAh
4500 mAh
Type:
Not user replaceable
Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable
Charging:
Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
Fast charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi wireless charging, Reverse wireless charging
Camera
Rear:
Single camera
Quad camera
Triple camera
Main camera:
16 MP (OIS, Autofocus, BSI sensor)
48 MP (PDAF)
12 MP (OIS, PDAF)
Specifications:
Aperture size: F1.9; Focal length: 28 mm; Sensor size: 1/2.6"; 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: 1/1.76"; Pixel size: 1.8 μm
Second camera:
12 MP (Ultra-wide)
8 MP (Telephoto, OIS, PDAF)
Specifications:
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Optical zoom: 3.0x; Aperture size: F2.4; Pixel size: 1 μm
Third camera:
5 MP (Macro)
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.2; Pixel size: 1.12 μm
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) (60 fps), 1280x720 (HD) (120 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Features:
OIS, HDR, Continuous autofocus, Picture-taking during video recording, Video light, Video calling
Hyperlapse, EIS
EIS
Front:
5 MP (HDR)
32 MP (HDR)
32 MP (EIS, HDR)
Video capture:
2560x1440 (QHD) (30 fps)
1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)
Design
Dimensions:
5.59 x 2.76 x 0.28 inches (142.1 x 70.1 x 7 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
6.29 x 2.93 x 0.33 inches (159.8 x 74.5 x 8.4 mm)
Weight:
4.66 oz (132.0 g)
6.07 oz (172.0 g)
6.70 oz (190.0 g)
Materials:
Back: Glass; Frame: Aluminum
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Aluminum
Resistance:
Water, Dust; IP68
Biometrics:
Fingerprint (touch)
2D Face unlock, In-screen fingerprint
In-screen fingerprint
Features:
Notification light, Touch sensitive control keys
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Black, Gold, Green, White
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Cloud red, Cloud orange, Cloud lavender, Cloud mint, Cloud navy, Cloud white
Cellular
5G:
SA, NSA, Sub-6, mmWave
LTE (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 17(700 b), 20(800 DD)
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 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), 30(2300 WCS), 66(AWS-3), 71(600)
LTE (TDD):
Bands 38(2600), 39(1900+), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
UMTS:
Bands 5(850), 2(1900), 1(2100)
Bands 5(850), 8(900), 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), HSPA, HSUPA, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
SIM type:
Nano SIM
Nano SIM
Nano SIM
HD Voice:
Yes
VoLTE:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
No 3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers
Features:
Album art cover, Background playback, Preset equalizer
Dolby Atmos
32-Bit DAC, Dolby Atmos, Dolby Digital, Dolby Digital Plus
Screen mirroring:
DLNA, Wireless screen share
Wireless screen share
Wireless screen share
Radio:
FM
FM
Additional microphone(s):
for Noise cancellation, Video recording
for Noise cancellation
for Noise cancellation, Video recording
Connectivity & Features
Bluetooth:
4.1
5.0
5.0
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; Multiple antennas, 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, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
USB:
microUSB, USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.2
Features:
Charging, Mass storage device
Charging, OTG
Charging, Headphones port, OTG, Video out
Location:
GPS, A-GPS, Glonass
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), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other:
NFC, ANT+, UMA (Wi-Fi Calling), Infrared, Tethering, Computer sync, OTA sync
NFC, ANT+
NFC
Hearing aid compatible:
M4, T3
M4, T3
Regulatory Approval
FCC approval:
Date approved:
Mar 02, 2015
Nov 28, 2019
Sep 17, 2020
Measured SAR:
Head:
0.24 W/kg
0.89 W/kg
0.32 W/kg
Body:
0.69 W/kg
1.18 W/kg
0.82 W/kg
Simultaneous Transmission:
1.25 W/kg
1.56 W/kg
1.60 W/kg
Wireless Router:
1.07 W/kg
1.12 W/kg
1.01 W/kg
Phablet:
2.76 W/kg
3.43 W/kg
Buyers information
Price:
$ 400
$ 699
User Manual:
This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy S20 FE User Guide in English provided from the manufacturer.
Availability
Officially announced:
Mar 01, 2015
Dec 12, 2019
Sep 23, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless