Samsung Galaxy S20 Ultra 5G vs Samsung Galaxy A51 5G Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.9 inches
6.5 inches

Resolution:

3200 x 1440 pixels, 20:9 ratio, 509 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI

Technology:

Dynamic AMOLED
Super AMOLED

Refresh rate:

120Hz (@1080p)
60Hz

Screen-to-body:

90.70 %
87.37 %

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 865 SM8250 (7 nm)
Samsung Exynos 980 (8 nm)

Processor:

Octa-core, 2840 MHz, Kryo 585, 64-bit
Octa-core, 2x 2.2GHz Cortex-A77 + 6x 1.8GHz Cortex-A55, 64-bit

GPU:

Adreno 650
Mali-G76 MP5

RAM:

12GB LPDDR5
6GB LPDDR4

Internal storage:

128GB (UFS 3.0), available to use: 103.8 GB
128GB, available to use: 105.3 GB

Storage expansion:

microSDXC up to 1000 GB
microSDXC up to 1000 GB

Device type:

Smartphone
Smartphone

OS:

Android (13, 12, 11, 10), Samsung One UI
Android (11, 10), Samsung One UI

Battery

Capacity:

5000 mAh
4500 mAh

Type:

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

Battery life test results:

Charging:

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

Max charge speed:

Wired: 45.0W; Wireless: 15.0W
Wired: 25.0W

Camera

Rear:

Quad camera
Quad camera

Main camera:

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

Specifications:

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

Second camera:

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

Specifications:

Aperture size: F3.5; Focal Length: 102 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

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

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.4 μm
Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

0.3 MP VGA (ToF 3D depth sensing)
5 MP (Depth information)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Flash:

LED
LED

Video recording:

7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)

Features:

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

Front:

40 MP (PDAF, HDR)
32 MP (HDR)

Video capture:

3840x2160 (4K UHD) (60 fps)
1920x1080 (Full HD)

Design

Dimensions:

6.57 x 2.99 x 0.35 inches (166.9 x 76 x 8.8 mm)
6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)

Weight:

7.83 oz (222.0 g)
6.60 oz (187.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 6); Frame: Aluminum
Back: Plastic; Frame: Aluminum

Resistance:

Water, Dust; IP68

Biometrics:

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

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Cosmic black, Cosmic grey
Prism cube black

Cellular

5G:

n2, n5, n41, n66, n71, n260, n261, SA, NSA, Sub-6, mmWave
n41, n71, SA, NSA

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), 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)
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)

4G (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

3G:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850)

Data Speed:

LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type:

Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker

Features:

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Dolby Atmos

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, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

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

Features:

Charging, Headphones port, OTG
Charging, OTG

Location:

GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other:

NFC, ANT+
NFC, ANT+

Hearing aid compatible:

M3, T4
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jan 28, 2020
Jul 15, 2020

FCC ID value:

A3LSMG988B
A3LSMA516U

Measured SAR:

Head:

0.26 W/kg
1.18 W/kg

Body:

0.41 W/kg
1.20 W/kg

Simultaneous Transmission:

1.57 W/kg
3.25 W/kg

Wireless Router:

1.04 W/kg
1.37 W/kg

Phablet:

2.12 W/kg

Buyers information

Price:

$ 1400
$ 500

User Manual:

This is the official Samsu​ng Galaxy S20 Ultra 5G User Guide in English provided from the manufacturer.
This is the official Samsu​ng Galaxy A51 5G User Guide in English provided from the manufacturer.

In The Box:

A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions

Availability

Officially announced:

Feb 11, 2020
Apr 08, 2020
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