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Samsung Galaxy A40 vs Samsung Galaxy S20 vs Samsung Galaxy S9

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

Display

Size:

5.9 inches
6.2 inches
5.8 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 437 PPI
3200 x 1440 pixels, 20:9 ratio, 566 PPI
2960 x 1440 pixels, 18.5:9 ratio, 568 PPI

Technology:

Super AMOLED
Dynamic AMOLED
Super AMOLED

Screen-to-body:

85.73 %
88.59 %
84.36 %

Features:

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
120Hz refresh rate (@1080p), HDR video support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip:

Exynos 7904
Qualcomm Snapdragon 865 SM8250
Qualcomm Snapdragon 845 SDM845

Processor:

Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2840 MHz, Kryo 585, 64-bit, 7 nm
Octa-core, 2800 MHz, Kryo 385, 64-bit, 10 nm

GPU:

Mali-G71 MP2
Adreno 650
Adreno 630

RAM:

4GB LPDDR4
12GB LPDDR5
4GB LPDDR4

Internal storage:

64GB, available to use: 49.4 GB
128GB (UFS 3.0)
64GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 1000 GB
microSDXC up to 400 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10, 9.0 Pie), Samsung One UI
Android (10), Samsung One UI
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI

Battery

Capacity:

3100 mAh
4000 mAh
3000 mAh

Type:

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

Battery life test results:

Charging:

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

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Dual camera
Triple camera
Single camera

Main camera:

16 MP (PDAF)
12 MP (OIS, PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 1.8 μm
Aperture size: F1.5/F2.4; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

5 MP (Ultra-wide)
64 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.0; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

12 MP (Ultra-wide, Autofocus)

Specifications:

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

Video recording:

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

Features:

Hyperlapse, Video calling, Video sharing
OIS, HDR, EIS
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing

Front:

25 MP
10 MP (PDAF, HDR)
8 MP (Autofocus, HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)
2560x1440 (QHD) (30 fps)

Design

Dimensions:

5.69 x 2.72 x 0.31 inches (144.4 x 69.2 x 7.9 mm)
5.97 x 2.72 x 0.31 inches (151.7 x 69.1 x 7.9 mm)
5.81 x 2.70 x 0.33 inches (147.7 x 68.7 x 8.5 mm)

Weight:

4.94 oz (140.0 g)
5.78 oz (163.0 g)
5.75 oz (163.0 g)

Materials:

Back: Plastic; Frame: Plastic
Back: Glass (Corning Gorilla Glass 6); Frame: Aluminum
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Resistance:

Water, Dust; IP68
Water, Dust; IP68

Biometrics:

2D Face unlock, Fingerprint (touch)
2D Face unlock, Ultrasonic in-screen fingerprint
Iris scanner, 2D Face unlock, Fingerprint (touch)

Features:

Notification light

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key

Colors:

Black, Coral, Blue, White
Cloud blue, Cosmic grey, Cloud pink, Cosmic white
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue

Cellular

5G:

n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
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), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
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), 17(700 b), 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)

LTE (TDD):

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

UMTS:

850, 900, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed:

LTE-A Cat 12/13 (600/150 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
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

Dolby Atmos, Album art cover, Background playback
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
32-Bit DAC, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
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
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.1

Features:

Charging, Mass storage device
Charging, Headphones port, OTG
Charging, 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
GPS, A-GPS, Glonass, Galileo, BeiDou

Sensors:

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

Other:

NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+
NFC, ANT+

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Mar 08, 2019
Jan 24, 2020
Jan 11, 2018

FCC ID value:

A3LSMA405FN link
A3LSMG981U link
A3LSMG960U link

Measured SAR:

Head:

0.51 W/kg
1.07 W/kg
0.35 W/kg

Body:

0.46 W/kg
1.03 W/kg
0.96 W/kg

Simultaneous Transmission:

1.02 W/kg
1.59 W/kg
1.59 W/kg

Wireless Router:

0.61 W/kg
1.25 W/kg
0.95 W/kg

Phablet:

3.99 W/kg

Buyers information

Price:

$ 1000
$ 720

User Manual:

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

Availability

Officially announced:

Apr 10, 2019
Feb 11, 2020
Feb 25, 2018
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.
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