Samsung Galaxy S20 vs Google Pixel 4a 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.

9.1
Samsung Galaxy S20
9.1
Google Pixel 4a
Samsung Galaxy S20 Google Pixel 4a
Released · Mar 06, 2020
Released · Aug 20, 2020
6.2-inch · 3200x1440px
5.8-inch · 2340x1080px
Triple camera
Single camera
12GB · 128GB
6GB · 128GB
4000 mAh
3140 mAh
Check prices Check prices

Availability

Officially announced
Feb 11, 2020 Aug 03, 2020
Prices (MSRP)
$1000 $349

Design

Dimensions
5.97 x 2.72 x 0.31 inches
151.7 x 69.1 x 7.9 mm
5.67 x 2.73 x 0.32 inches
144 x 69.4 x 8.2 mm
Weight
5.78 oz / 163.0 g 5.04 oz / 143.0 g
Materials
Back: Glass (Corning Gorilla Glass 6)
Frame: Aluminum
Back: Plastic
Frame: Plastic
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Cloud blue, Cosmic grey, Cloud pink, Cosmic white Just black

Display

Size
6.2-inch, 88.59% screen-to-body 5.8-inch, 82.53% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR OLED, 60Hz, HDR
Resolution
3200x1440px, 20:9 ratio, 566 PPI 2340x1080px, 19.5:9 ratio, 444 PPI
Protection
Corning Gorilla Glass 6 Corning Gorilla Glass 3
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.5 (Good) 2 (Good)

Hardware

System chip
Snapdragon 865 SM8250 (7 nm) Snapdragon 730G SM7150-AA (8 nm)
Processor
Octa-core
1x2.84GHz Kryo 585
3x2.42GHz Kryo 585
4x1.80GHz Kryo 585
Octa-core
2200 MHz
Kryo 470
GPU
Adreno 650 Adreno 618
Memory
12GB (LPDDR5)/128GB (UFS 3.0)
8GB/128GB
6GB (LPDDR4)/128GB (UFS 2.1)
Storage expansion
microSDXC up to 1000 GB not expandable
OS
Android (13, 12, 11, 10) Android (12, 11, 10)

Battery

Type
4000 mAh, Li - Polymer 3140 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
USB Power Delivery
Charge speed
Wired: 25.0W
Wireless: 15.0W
Wired: 18.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 20min
Browsing
7h 45min
Video
10h 20min
Gaming
7h 43min
Battery Life Estimate
4h 15min
Browsing
9h 27min
Video
6h 48min
Gaming
4h 51min

Camera

Rear
Triple camera Single camera
Main camera
12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 1.8 μm
12.2 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 27 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Second camera
12 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.4 μm
Third camera
64 MP (Telephoto, OIS, PDAF)
Aperture size: F2.0
Sensor size: 1/1.7"
Pixel size: 0.8 μm
Flash
LED LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, EIS
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
EIS
Front
10 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
8 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.1
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
a,b,g,n,ac,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 3.1 Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3 M3/T4
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC, ANT+ NFC

Multimedia

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

Cellular

5G Bands
n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 39, 40, 41 38, 39, 40, 41
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 8
Data Speed
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 Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Jan 24, 2020
FCC ID value: A3LSMG981U
Date approved: Jun 25, 2020
FCC ID value: A4RG025J
Measured SAR
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
Head: 1.18 W/kg
Body: 1.19 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.00 W/kg

Alternative variants

Global variant
System chip Samsung Exynos 990 (7 nm)
Processor Octa-core
2700 MHz
2x2.73GHz Exynos M5
2x2.5GHz Cortex-A75
4x2.0G​Hz Cortex-A55
GPU Mali G77 MP11
non 5G variant
Memory 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
Storage expansion not expandable
5G Bands n260, n261, mmWave
4G (FDD) Bands 2, 3, 4, 5, 7, 8, 13, 18, 19, 20, 26, 28, 66
4G (TDD) Bands 34, 39, 46, 48
Hearing aid compatible M4/T3
FCC OKs Cingular\'s purchase of AT&T Wireless