Google Pixel 3a vs Samsung Galaxy A20

$393.44 VIEW ON AMAZON
$177.80 VIEW ON AMAZON

Display

Display size

5.6 inches
6.4 inches

Resolution

1080 x 2220 pixels
720 x 1560 pixels

Aspect Ratio

18.5:9
19.5:9

Pixel density

444 ppi
268 ppi

Technology

OLED
Super AMOLED

Screen-to-body

73.93 %
84.95 %

Colors

16 777 216
 

Features

Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor
Proximity sensor

Hardware & Performance

System chip

Qualcomm Snapdragon 670 SDM670
Samsung Exynos 7884

Processor

Octa-core, 2000 MHz, Kryo 360, 64-bit, 10 nm
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 615
Mali-G71 MP2

RAM

4 GB LPDDR4
3 GB LPDDR4

Internal storage

64 GB, not expandable
32 GB

Available to use

 
20.3 GB

Storage expansion

 
microSDXC up to 512 GB

Device type

Smart phone
Smart phone

OS

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

Battery

Capacity

3000 mAh
4000 mAh

Type

Not user replaceable
Not user replaceable

Charging

USB Power Delivery
Samsung Adaptive Fast Charging

Talk time (4G)

 
31 hours

Internet use

 
3G: 12 hours; LTE: 13 hours; Wi-Fi: 13 hours

Music playback

 
82.00 hours

Video playback

 
21.00 hours

Camera

Rear

Single camera
Dual camera

Main camera

12.2 megapixels
13 megapixels

Features

Optical image stabilization, Phase detection autofocus
Autofocus

Specifications

Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm

Second camera

 
5 megapixels

Features

 
Ultra-wide

Specifications

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

Flash

Dual LED
LED

Software Features

HDR, Panorama, Face detection, Night mode, Touch to focus, Self-timer, Digital zoom, Geo tagging
HDR, Panorama, Face detection, Effects, Exposure compensation, ISO control, White balance presets, Touch to focus, Self-timer, Digital zoom, Geo tagging

Video recording

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

Features

Optical image stabilization, Digital image stabilization, Video calling, Video sharing
 

Front

8 megapixels
8 megapixels

Video capture

1920x1080 (Full HD) (30 fps)
 

Design

Form factor

Candybar
Candybar

Dimensions

5.96 x 2.76 x 0.32 inches (151.3 x 70.1 x 8.2 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight

5.19 oz (147 g)
the average is 6.1 oz (174 g)
5.96 oz (169 g)
the average is 6.1 oz (174 g)

Materials

Back: Plastic
Back: Plastic

Biometrics

Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Keys

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

Colors

Black, Purple, White
Black,Deep blue, Red

Cellular

LTE (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), 32(1500 L-band), 66(AWS-3)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)

LTE (TDD)

Bands 38(2600), 40(2300), 41(2600+)
 

UMTS

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

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

CDMA

800, 1900 MHz
800, 1900 MHz

Data Speed

LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

2G Data

EDGE, GPRS, EV-DO Rev.A
EDGE, GPRS

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

Global Roaming

Yes
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Multiple speakers
Earpiece, Loudspeaker

Features

aptX-HD
 

Screen mirroring

Wireless screen share
Wireless screen share

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

5.0
5.0

Profiles/ Protocols

Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP), Generic Access (GAP), Handsfree (HFP), Headset (HSP), Message Access Profile (MAP), Object Push (OPP), Phone Book Access (PBAP)
Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP), Generic Access (GAP), Handsfree (HFP), Headset (HSP), Message Access Profile (MAP), Object Push (OPP), Phone Book Access (PBAP)

Wi-Fi

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

USB

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

Features

Mass storage device, Charging
Charging

Location

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)

Other

NFC, VoIP, Tethering, Computer sync, OTA sync
 

Hearing aid compatible

M3, T3
 

Phone features

Notifications

Haptic feedback, Music ringtones, Vibration
 

Phonebook

Unlimited entries, Caller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring ID
 

Organizer

Calendar, Alarm, Flashlight, Calculator, World clock, Timer, Stopwatch, Countdown timer
 

Messaging

SMS, MMS, Threaded view, Predictive text input
 

E-mail

IMAP, POP3, SMTP, Microsoft Exchange
 

Instant Messaging

Hangouts / Google Talk
 

Other features

Voice dialing, Voice commands, Voice recording, TTY/TDD
 

Regulatory Approval

FCC approval

 
 

Date approved

Feb 25, 2019
Jun 19, 2019

FCC ID value: A4RG020G link
FCC ID value: A3LSMA205U link

Measured SAR

 
 

Head

1.15 W/kg
1.09 W/kg

Body

1.13 W/kg
0.60 W/kg

Simultaneous Transmission

1.59 W/kg
1.37 W/kg

Wireless Router

1.19 W/kg
1.00 W/kg

Phablet

 
3.94 W/kg

Shopping information

In The Box

18W USB-C power adapter, 1M USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool
 

MSRP price

$ 399
$ 250

Availability

Officially announced

May 07, 2019
 
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.