Google Pixel 3a vs Samsung Galaxy S20 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

9.0
Google Pixel 3a
9.1
Samsung Galaxy S20
Google Pixel 3a Samsung Galaxy S20
Released · May 07, 2019
Released · Mar 06, 2020
5.6-inch · 2220 x 1080 px
6.2-inch · 3200 x 1440 px
12.2 MP Main · 8 MP Selfie
12 MP Main · 10 MP Selfie
4GB · 64GB
12GB · 128GB
3000 mAh
4000 mAh
Check prices Check prices

Display

Size
5.6-inch 6.2-inch
Resolution
2220 x 1080 px, 18.5:9 ratio, 444 PPI 3200 x 1440 px, 20:9 ratio, 566 PPI
Technology
OLED Dynamic AMOLED
Refresh rate
120Hz (@1080p)
Screen-to-body
73.93 % 88.59 %
Features
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 670 SDM670 (10 nm) Qualcomm Snapdragon 865 SM8250 (7 nm)
Processor
Octa-core, 2000 MHz, Kryo 360, 64-bit Octa-core, 1x 2.84GHz Kryo 585 + 3x 2.42GHz Kryo 585 + 4x 1.80GHz Kryo 585, 64-bit
GPU
Adreno 615 Adreno 650
RAM
4GB (LPDDR4) 12GB (LPDDR5)
Internal storage
64GB (eMMC), not expandable 128GB (UFS 3.0)
Storage expansion
microSDXC up to 1000 GB
OS
Android (12, 11, 10, 9.0 Pie) Android (13, 12, 11, 10), Samsung One UI
Device type
Smartphone Smartphone

Battery

Capacity
3000 mAh 4000 mAh
Type
Not user replaceable Li - Polymer, Not user replaceable
Charging
USB Power Delivery Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Max charge speed
Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
9h 48min
Video
6h 30min
Gaming
Untested
Battery Life Estimate
5h 20min
Browsing
7h 45min
Video
10h 20min
Gaming
7h 43min

Camera

Rear
Single camera Triple camera
Main camera
12.2 MP (OIS, PDAF)
Specifications:
Aperture size: F1.8
Focal length: 28 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
12 MP (OIS, PDAF)
Specifications:
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 1.8 μm
Second camera
64 MP (Telephoto, OIS, PDAF)
Specifications:
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
Flash
Dual LED LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features:
EIS
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Features:
OIS, HDR, EIS
Front
8 MP, Video capture: 1920x1080 (Full HD) 10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Design

Dimensions
5.96 x 2.76 x 0.32 inches
(151.3 x 70.1 x 8.2 mm)
5.97 x 2.72 x 0.31 inches
(151.7 x 69.1 x 7.9 mm)
Weight
5.19 oz(147.0 g) 5.78 oz(163.0 g)
Materials
Back: Plastic Back: Glass (Corning Gorilla Glass 6)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch) 2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Purple, White Cloud blue, Cosmic grey, Cloud pink, Cosmic white

Cellular

5G
Bands n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6
4G (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 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)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+) 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), 8(900)
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
SIM type
Nano SIM Nano SIM
HD Voice
Yes

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
aptX-HD 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation

Connectivity & Features

Bluetooth
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
USB
Type-C (reversible), USB 2.0, Features: Charging, Mass storage device Type-C (reversible), USB 3.1, Features: Charging, Headphones port, OTG
Hearing aid compatible
M3/T3 M3/T3
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), Barometer
Other
NFC, VoIP, Tethering, Computer sync, OTA sync NFC, ANT+

Regulatory Approval

FCC approval
Date approved: Feb 25, 2019
FCC ID value: A4RG020G
Date approved: Jan 24, 2020
FCC ID value: A3LSMG981U
Measured SAR
Head: 1.15 W/kg
Body: 1.13 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.19 W/kg
Head: 1.07 W/kg
Body: 1.03 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.25 W/kg
Phablet: 3.99 W/kg

Buyers information

MSRP
$ 399 $ 1000
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

Availability

Officially announced
May 07, 2019 Feb 11, 2020

Alternative variants

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), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
Global variant
System chip Samsung Exynos 990 (7 nm)
Processor Octa-core, 2700 MHz, 2x 2.73GHz Exynos M5 + 2x 2.5GHz Cortex-A75 + 4x 2.0GHz Cortex-A55, 64-bit
GPU Mali G77 MP11
non 5G variant
RAM 8GB
FCC approval Date approved: Jan 28, 2020
FCC ID value: A3LSMG980F
Measured SAR Head: 0.37 W/kg
Body: 1.01 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 2.67 W/kg
for Verizon
Internal storage not expandable
5G Bands n260, n261, mmWave
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD) Bands 34(2000), 39(1900+), 46, 48(3600)
Hearing aid compatible M4/T3
FCC OKs Cingular\'s purchase of AT&T Wireless