Samsung Galaxy A51 5G vs Samsung Galaxy Note 20 Ultra

Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone specs comparison tool or pick a popular device from the ones below.

$1450 VIEW ON AMAZON

Display

Size

6.5 inches
6.9 inches

Resolution

2400 x 1080 pixels, 20:9 ratio,
405 PPI
3088 x 1440 pixels, 19.3:9 ratio,
496 PPI

Technology

Super AMOLED
Dynamic AMOLED

Screen-to-body

87.37 %
91.63 %

Features

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
120Hz refresh rate, HDR video support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip

Samsung Exynos 980
Qualcomm Snapdragon 865+ SM8250-AB

Processor

Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm
Octa-core, 3000 MHz, Kryo 585, 64-bit, 7 nm

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 (10), Samsung One UI
Android (10), Samsung One UI

Battery

Capacity

4500 mAh
4500 mAh

Type

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Charging

Fast charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Camera

Rear

Quad camera
Triple camera

Main camera

48 MP (PDAF)
108 MP (OIS, Laser and PDAF)

Specifications

Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/1.33"; Pixel size: 0.8 μm

Second camera

12 MP (Ultra-wide)
12 MP (Telephoto, OIS, PDAF)

Specifications

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Optical zoom: 5x; Aperture size: F3.0; Pixel size: 1 μm

Third camera

5 MP (Macro)
12 MP (Ultra-wide, Autofocus)

Specifications

Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.2; Pixel size: 1.4 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) (120 fps), 1280x720 (HD) (480 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features

Hyperlapse, EIS
OIS, HDR, Time-lapse video, EIS

Front

32 MP (HDR)
10 MP (PDAF, HDR)

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)
the average is 6.2 oz (176 g)
7.34 oz (208.0 g)
the average is 6.2 oz (176 g)

Materials

Back: Plastic; Frame: Plastic
Back: Glass (Corning Gorilla Glass Victus); Frame: Stainless steel

Resistance

 
Water, Dust; IP 68

Biometrics

2D Face unlock, In-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint

Features

 
Stylus

Colors

Prism cube black, Prism cube white
Mystic black, Mystic bronze, Mystic white

Cellular

5G

n41, n78, Sub-6
SA, NSA

LTE (FDD)

Bands 1(2100), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 20(800 DD), 28(700 APT)
 

LTE (TDD)

Bands 38(2600), 40(2300), 41(2600+)
 

UMTS

850, 900, 1900, 2100 MHz
 

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

Dual SIM

Yes
 

SIM type

Nano SIM
Nano SIM

HD Voice

 
Yes

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)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

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, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB

Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.2

Features

Charging, OTG
Charging, Headphones port, OTG, Video out

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+

Regulatory Approval

FCC approval

 
 

Date approved

 
Jul 06, 2020

 
FCC ID value: A3LSMN986U link

Measured SAR

 
 

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

Price

$ 500
$ 1300
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
FCC OKs Cingular's purchase of AT&T Wireless