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Samsung Galaxy A51 vs Samsung Galaxy S20 FE Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
7.0
Samsung Galaxy A51
9.2
Samsung Galaxy S20 FE
Samsung Galaxy A51 Samsung Galaxy S20 FE
Released · Dec 27, 2019
Released · Oct 02, 2020
6.5-inch
6.5-inch
Quad camera
Triple camera
4GB · 128GB
6GB · 128GB
4000 mAh
4500 mAh
Check prices Check prices

Design

Dimensions
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
6.07 oz (172.0 g) 6.70 oz (190.0 g)
Materials
Back: Plastic
Frame: Plastic 		Back: Plastic
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue Cloud red, Cloud orange, Cloud lavender, Cloud mint, Cloud navy, Cloud white

Display

Size
6.5-inch 6.5-inch
Resolution
2400x1080px, 20:9 ratio, 405 PPI 2400x1080px, 20:9 ratio, 405 PPI
Technology
Super AMOLED Super AMOLED
Refresh rate
60Hz 120Hz
Screen-to-body
87.37 % 85.79 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 9611 (10 nm) Qualcomm Snapdragon 865 SM8250 (7 nm)
Processor
Octa-core
2300 MHz
4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53 		Octa-core
1x 2.84GHz Kryo 585 + 3x 2.42GHz Kryo 585 + 4x 1.80GHz Kryo 585
GPU
Mali-G72 MP3 Adreno 650
RAM
4GB (LPDDR4) 6GB (LPDDR5)
Internal storage
128GB, available to use: 105.9 GB 128GB (UFS 3.1), available to use: 103.4 GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 1000 GB
OS
Android (11, 10), Samsung One UI Android (13, 12, 11, 10), Samsung One UI

Battery

Capacity
4000 mAh 4500 mAh
Type
Li - Polymer Li - Ion
Charging
Fast charging Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 22min
Browsing
11h 35min
Video
8h 35min
Gaming
6h 40min
Battery Life Estimate
5h 29min
Browsing
10h 2min
Video
9h 9min
Gaming
8h 29min
Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera Triple camera
Main camera
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm 		12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.76"
Pixel size: 1.8 μm
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm 		12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/3"
Pixel size: 1.12 μm
Third camera
5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm 		8 MP (Telephoto, OIS, Autofocus)
Optical zoom: 3.0x
Aperture size: F24.0
Focal Length: 76 mm
Sensor size: 1/4.4"
Pixel size: 1.0 μm
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
LED LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Hyperlapse, EIS 		3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
EIS
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD) 32 MP (EIS, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
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
Type-C, USB 2.0 Type-C, USB 3.2
Hearing aid compatible
M4/T3
Location
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) Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC, ANT+ NFC

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Dolby Atmos 32-Bit DAC, Dolby Atmos, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM FM
Additional microphone(s)
Noise cancellation Noise cancellation, Video recording

Cellular

5G
Bands SA, NSA, Sub-6, mmWave
4G (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), 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)
4G (TDD)
Bands 38(2600), 39(1900+), 41(2600+) Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
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

Regulatory Approval

FCC approval
Date approved: Nov 28, 2019
FCC ID value: A3LSMA515FN 		Date approved: Sep 17, 2020
FCC ID value: A3LSMG781U
Measured SAR
Head: 0.89 W/kg
Body: 1.18 W/kg
Simultaneous Transmission: 1.56 W/kg
Wireless Router: 1.12 W/kg
Phablet: 2.76 W/kg 		Head: 0.32 W/kg
Body: 0.82 W/kg
Simultaneous Transmission: 1.60 W/kg
Wireless Router: 1.01 W/kg
Phablet: 3.43 W/kg

Buyers information

MSRP
$ 400 $ 699

Availability

Officially announced
Dec 12, 2019 Sep 23, 2020

Alternative variants

with 128GB storage
RAM 6GB
Internal storage 128GB
with 256GB storage
Internal storage 256GB
MSRP $ 770
for Verizon
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
for Verizon
OS Android (11)
5G Bands n2, n4, n5, n13, n66
4G (FDD) Bands 3(1800), 7(2600), 8(900), 12(700 a), 20(800 DD), 26(850+), 28(700 APT)
4G (TDD) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
FCC approval Date approved: Sep 22, 2020
FCC ID value: A3LSMG781V
Measured SAR Head: 0.28 W/kg
Body: 1.11 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.07 W/kg
Phablet: 3.71 W/kg
for AT&T
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
for US Cellular
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 12(700 a), 25(1900+), 26(850+), 66(AWS-3), 71(600)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
for Sprint
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
non 5G variant
System chip Samsung Exynos 990 (7 nm)
Processor Octa-core
27300 MHz
Arm Cortex-A76 and Arm Cortex-A55
GPU Mali G77 MP11
Dual SIM Yes
for Europe
4G (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), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD) Bands 38(2600), 40(2300), 41(2600+)
Dual SIM Yes
FCC OKs Cingular\'s purchase of AT&T Wireless