Google Pixel 4a vs Samsung Galaxy Note 20 vs Google Pixel 3a

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

Comparison mode:

Display

Size:

5.8 inches
6.7 inches
5.6 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 444 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI
2220 x 1080 pixels, 18.5:9 ratio, 444 PPI

Technology:

OLED
Super AMOLED Plus
OLED

Screen-to-body:

82.53 %
89.23 %
73.93 %

Features:

60Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
60Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 730G SM7150-AA
Qualcomm Snapdragon 865+ SM8250-AB
Qualcomm Snapdragon 670 SDM670

Processor:

Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
Octa-core, 3000 MHz, Kryo 585, 64-bit, 7 nm
Octa-core, 2000 MHz, Kryo 360, 64-bit, 10 nm

GPU:

Adreno 618
Adreno 650
Adreno 615

RAM:

6GB LPDDR4
8GB LPDDR5
4GB LPDDR4

Internal storage:

128GB (UFS 2.1), not expandable
128GB (UFS 3.0), available to use: 102.5 GB, not expandable
64GB (eMMC), not expandable

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11, 10)
Android (11, 10), Samsung One UI
Android (11, 10, 9.0 Pie)

Battery

Capacity:

3140 mAh
4300 mAh
3000 mAh

Type:

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

Battery life test results:

Charging:

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

Max charge speed:

Wired: 18.0W

Camera

Rear:

Single camera
Triple camera
Single camera

Main camera:

12.2 MP (OIS, PDAF)
12 MP (OIS, PDAF)
12.2 MP (OIS, PDAF)

Specifications:

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

64 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.0; Focal Length: 27 mm; 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; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
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) (240 fps)

Features:

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

Front:

8 MP
10 MP (PDAF, HDR)
8 MP

Video capture:

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

Design

Dimensions:

5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)
6.36 x 2.96 x 0.33 inches (161.6 x 75.2 x 8.3 mm)
5.96 x 2.76 x 0.32 inches (151.3 x 70.1 x 8.2 mm)

Weight:

5.04 oz (143.0 g)
6.84 oz (194.0 g)
5.19 oz (147.0 g)

Materials:

Back: Plastic; Frame: Plastic
Back: Plastic
Back: Plastic

Resistance:

Water, Dust; IP68

Biometrics:

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

Features:

Stylus

Keys:

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

Colors:

Just black
Mystic gray, Mystic bronze, Mystic green, Mystic red
Black, Purple, White

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n260, n261, SA, NSA, Sub-6, mmWave

LTE (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), 17(700 b), 18(800 Lower), 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), 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)
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), 32(1500 L-band), 66(AWS-3)

LTE (TDD):

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

UMTS:

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

Data Speed:

LTE-A Cat 11 (600/75 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 Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM, eSIM
Nano SIM
Nano SIM

HD Voice:

Yes
Yes

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

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

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.1
5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; MIMO, 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 3.1
Type-C (reversible), USB 3.2
Type-C (reversible), USB 2.0

Features:

Charging
Charging, Headphones port, OTG, Video out
Charging, Mass storage device

Location:

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

Sensors:

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

Other:

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

Hearing aid compatible:

M3, T4
M3, T3
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jun 25, 2020
Jul 22, 2020
Feb 25, 2019

FCC ID value:

A4RG025J
A3LSMN981U
A4RG020G

Measured SAR:

Head:

1.18 W/kg
0.41 W/kg
1.15 W/kg

Body:

1.19 W/kg
0.92 W/kg
1.13 W/kg

Simultaneous Transmission:

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

Wireless Router:

1.00 W/kg
1.22 W/kg
1.19 W/kg

Phablet:

3.99 W/kg

Buyers information

Price:

$ 349
$ 1000
$ 399

User Manual:

This is the official Samsu​ng Galaxy Note 20 User Guide in English provided from the manufacturer.

In The Box:

18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool
Data Cable, Travel Adapter, Ejection Pin, Quick Start Guide
18W USB-C power adapter, 1M USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool

Availability

Officially announced:

Aug 03, 2020
Aug 05, 2020
May 07, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless