Samsung Galaxy A51 5G vs Samsung Galaxy S21 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.

	8.3
Samsung Galaxy A51 5G	Samsung Galaxy S21 FE
Released · Apr 29, 2020	Released · Jan 11, 2022
6.5-inch · 2400x1080px	6.4-inch · 2340x1080px
Quad camera	Triple camera
6GB · 128GB	6GB · 128GB
4500 mAh	4500 mAh
Check prices	Check prices

Availability

Officially announced
Apr 08, 2020	Jan 04, 2022
Prices (MSRP)
$500	$700 \| €749

Design

Dimensions
6.26 x 2.90 x 0.34 inches 158.9 x 73.6 x 8.7 mm	6.13 x 2.93 x 0.31 inches (~0.36 inches with camera bump) 155.7 x 74.5 x 7.9 mm (~9.2 mm with camera bump)
Weight
6.60 oz (187.0 g)	6.00 oz (170.0 g)
Materials
Back: Plastic Frame: Aluminum	Back: Plastic Frame: Metal
Resistance
	Water, Dust; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Prism cube black	White, Graphite, Lavender, Olive

Display

Size
6.5-inch, 87.37% screen-to-body	6.4-inch, 86.77% screen-to-body
Type
Super AMOLED, 60Hz	Dynamic AMOLED, 120Hz, HDR, 1200 nits
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass Victus

Hardware

System chip
Samsung Exynos 980 (8 nm)	Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core 2x2.2GHz Cortex-A77 6x1.8GHz Cortex-A55	Octa-core 1x2.84GHz Cortex-X1 3x2.42GHz Cortex-A78 4x1.80GHz Cortex-A55
GPU
Mali-G76 MP5	Adreno 660
Memory
6GB (LPDDR4)/128GB 8GB/128GB	6GB (LPDDR5)/128GB (UFS 3.1) 8GB/256GB
Storage expansion
microSDXC up to 1000 GB	not expandable
OS
Android (11, 10)	Android (14, 13, 12)

Battery

Type
4500 mAh, Li - Polymer	4500 mAh, Li - Ion
Charging
Fast charging	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W	Wired: 25.0W Wireless: 15.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

9h 39min

Video

7h 19min

Gaming

Untested

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"
Third camera
5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm	8 MP (Telephoto, OIS) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 13 mm Sensor size: 1/4.5" 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
4K UHD (30 fps), 1080p (120 fps), 720p (480 fps) Hyperlapse, EIS	4K UHD (60 fps) HDR, Continuous autofocus, Picture-taking during video recording, 10-bit HDR
Front
32 MP (HDR) Video capture: 1080p	32 MP (HDR, Autofocus) Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,Wi-Fi 6 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou
Other
NFC, ANT+	NFC

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM, Stereo, RDS
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G Bands
n41, n71, SA, NSA	n1, n3, n5, n8, n20, n28, n38, n40, n41, n66, n78, 5G Ready
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 66
4G (TDD) Bands
38, 39, 40, 41	38, 40, 41
3G Bands
1, 2, 4, 5	1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 16 (1000/150 Mbit/s), 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
SIM type
	Dual Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Jul 15, 2020 FCC ID value: A3LSMA516U	Date approved: Jun 29, 2021 FCC ID value: A3LSMG990U
Measured SAR
Head: 1.18 W/kg Body: 1.20 W/kg Simultaneous Transmission: 3.25 W/kg Wireless Router: 1.37 W/kg	Head: 0.77 W/kg Body: 0.90 W/kg Simultaneous Transmission: 1.48 W/kg Wireless Router: 1.09 W/kg

Alternative variants

with 8GB RAM


Memory	8GB

With 8GB RAM and 256GB internal storage


Memory	8GB/256GB
Prices (MSRP)	$770

for Europe


Colors	Prism cube black, Prism cube white
5G Bands	n41, n78, SA, NSA
4G (FDD) Bands	1, 3, 4, 5, 7, 8, 12, 20, 28
4G (TDD) Bands	38, 40, 41
3G Bands	5, 8, 2, 1
Dual SIM	Yes
SIM type	Nano SIM

for Verizon


System chip	Snapdragon 765G SM7250-AB (7 nm)
Processor	Octa-core 2400 MHz Kryo 475
GPU	Adreno 620
Colors	Prism bricks blue
5G Bands	n260, n261, mmWave
4G (FDD) Bands	2, 3, 4, 5, 7, 12, 13, 20, 28, 66
3G Bands	5, 8, 2, 1
FCC approval	Date approved: Jul 20, 2020 FCC ID value: A3LSMA516V
Measured SAR	Head: 0.32 W/kg Body: 1.32 W/kg Simultaneous Transmission: 3.01 W/kg Wireless Router: 1.37 W/kg Phablet: 3.91 W/kg
Prices (MSRP)	$550

Links

Full specifications
Samsung Galaxy A51 5G Specs	Samsung Galaxy S21 FE Specs
PhoneArena Review
	Samsung Galaxy S21 FE Review
User Reviews
Samsung Galaxy A51 5G User Reviews	Samsung Galaxy S21 FE User Reviews