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Samsung Galaxy A51 5G vs Samsung Galaxy Note 20 Ultra 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
Samsung Galaxy A51 5G
9.3
Samsung Galaxy Note 20 Ultra
Samsung Galaxy A51 5G Samsung Galaxy Note 20 Ultra
Released · Apr 29, 2020
Released · Aug 21, 2020
6.5-inch · 2400x1080px
6.9-inch · 3088x1440px
Quad camera
Triple camera
6GB · 128GB
12GB · 128GB
4500 mAh
4500 mAh
Check prices Check prices

Design

Dimensions
6.26 x 2.90 x 0.34 inches
158.9 x 73.6 x 8.7 mm 		6.49 x 3.04 x 0.32 inches
164.8 x 77.2 x 8.1 mm
Weight
6.60 oz (187.0 g) 7.34 oz (208.0 g)
Materials
Back: Plastic
Frame: Aluminum 		Back: Glass (Corning Gorilla Glass Victus)
Frame: Stainless steel
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint 2D Face unlock, Ultrasonic in-screen fingerprint
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Prism cube black Mystic black, Mystic bronze, Mystic white

Display

Size
6.5-inch 6.9-inch
Resolution
2400x1080px, 20:9 ratio, 405 PPI 3088x1440px, 19.3:9 ratio, 496 PPI
Technology
Super AMOLED Dynamic AMOLED
Refresh rate
60Hz 120Hz
Screen-to-body
87.37 % 91.63 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 980 (8 nm) Qualcomm Snapdragon 865+ SM8250-AB (7 nm)
Processor
Octa-core
2x 2.2GHz Cortex-A77 + 6x 1.8GHz Cortex-A55 		Octa-core
1x 3.1GHz Kryo 585 + 3x 2.42GHz Kryo 585 + 4x 1.80GHz Kryo 585
GPU
Mali-G76 MP5 Adreno 650
RAM
6GB (LPDDR4) 12GB (LPDDR5)
Internal storage
128GB, available to use: 105.3 GB 128GB, available to use: 107 GB
Storage expansion
microSDXC up to 1000 GB microSDXC up to 1000 GB
OS
Android (11, 10), Samsung One UI Android (13, 12, 11, 10), Samsung One UI

Battery

Capacity
4500 mAh 4500 mAh
Type
Li - Polymer Li - Polymer
Charging
Fast charging Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
4h 37min
Browsing
9h 33min
Video
7h 0min
Gaming
7h 17min
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 		108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm 		12 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm 		12 MP (Telephoto, OIS, PDAF)
Optical zoom: 5.0x
Aperture size: F3.0
Focal Length: 120 mm
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) (480 fps)
Hyperlapse, EIS 		7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
OIS, HDR, Time-lapse video, Hyperlapse, Object tracking, EIS
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD) 10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD)

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
M3/T3 M3/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, ANT+

Multimedia

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

Cellular

5G
Bands n41, n71, SA, NSA Bands n2, n5, n41, n66, n71, n260, n261, 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), 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), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+) Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
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, HSUPA 5.76 Mbit/s
SIM type
Nano SIM
HD Voice
Yes Yes

Regulatory Approval

FCC approval
Date approved: Jul 15, 2020
FCC ID value: A3LSMA516U 		Date approved: Jul 06, 2020
FCC ID value: A3LSMN986U
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: 0.78 W/kg
Body: 1.04 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.18 W/kg
Phablet: 3.92 W/kg

Buyers information

MSRP
$ 500 $ 1300
In The Box
A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions Data Cable, Travel Adapter, Ejection Pin, Quick Start Guide

Availability

Officially announced
Apr 08, 2020 Aug 05, 2020

Alternative variants

with 8GB RAM
RAM 8GB
for Europe
System chip Samsung Exynos 990 (7 nm)
Processor Octa-core
2x 2.73GHz Exynos M5 + 2x 2.5GHz Cortex-A76 + 4x 2.0 GHz Cortex-A55
GPU Mali G77 MP11
Internal storage 256GB
MSRP € 1266
for Europe
Colors Prism cube black, Prism cube white
5G Bands n41, n78, SA, NSA
4G (FDD) Bands 1(2100), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 20(800 DD), 28(700 APT)
4G (TDD) Bands 38(2600), 40(2300), 41(2600+)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
Dual SIM Yes
SIM type Nano SIM
with 512GB storage
Internal storage 512GB
MSRP $ 1450
for Verizon
System chip Qualcomm 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(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
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
MSRP $ 550
for Verizon
5G Bands n260, n261, mmWave
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD) Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
FCC OKs Cingular\'s purchase of AT&T Wireless