Google Pixel 3a vs Samsung Galaxy A40
Display
Display size
Resolution
Pixel density
Technology
OLED
Super AMOLED
Screen-to-body ratio
73.93 %
85.73 %
Features
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Camera
Rear
Single camera
Dual camera
Main camera
Hardware Features
Optical image stabilization, Phase detection autofocus
Phase detection autofocus
Specifications
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Second camera
5 megapixels
Hardware 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
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
Hyperlapse, Video calling, Video sharing
Front
8 megapixels
25 megapixels
Design
Dimensions
Weight
the average is 6 oz (172 g)
the average is 6 oz (172 g)
Materials
Back: Plastic
Back: Plastic
Biometrics
Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Colors
Black, Purple, White
Black, Pink, Blue, White
Hardware & Performance
System chip
Qualcomm Snapdragon 670 SDM670
Samsung Exynos 7 Octa 7885
Processor
GPU
Adreno 615
Mali-G71 MP2
RAM
Internal storage
64 GB, not expandable
64 GB
Maximum User Storage
49.4 GB
Storage expansion
up to 512 GB
OS
Android (9.0 Pie)
Android (9.0 Pie), Samsung One UI
Battery
Capacity
3000 mAh
3100 mAh
Charging
USB Power Delivery
Samsung Adaptive Fast Charging
Talk time (3G)
the average is 23 h (1387 min)
Internet use
3G
9 hours
LTE
11 hours
Wi-Fi
11 hours
Music playback
62.00 hours
Video playback
14.00 hours
Cellular
LTE (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66
Bands 1, 3, 5, 7, 8, 20
LTE (TDD)
Bands 38, 40, 41
Bands 38, 40, 41
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
Data
Dual SIM
Yes
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
Connectivity
Bluetooth
5.0
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band
802.11 a, b, g, n, ac, dual-band
USB
USB 2.0
USB 2.0
Connector
USB Type-C (reversible)
USB Type-C (reversible)
Features
Mass storage device
Mass storage device
Mobile Payment
Samsung Pay
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
Phone features
Sensors
Accelerometer, Gyroscope, Compass, Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Notifications
Haptic feedback, Music ringtones, Vibration
Haptic feedback, Music ringtones, Vibration
Hearing aid compatibility
M3, T3
Other features
Voice dialing, Voice commands, Voice recording, TTY/TDD
Voice dialing, Voice commands, Voice recording
Multimedia
Screen mirroring
Wireless screen share
Wireless screen share
Radio
FM
Speakers
Earpiece, Multiple speakers
Earpiece, Loudspeaker
Headphones connector
3.5mm
3.5mm
Additional microphone(s)
for Noise cancellation
for Noise cancellation
Regulatory Approval
FCC approval
Date approved
Feb 25, 2019
Mar 08, 2019
FCC measured SAR
Head
1.15 W/kg
0.51 W/kg
Body
1.13 W/kg
0.46 W/kg
Simultaneous Transmission
1.59 W/kg
1.02 W/kg
Wireless Router
1.19 W/kg
0.61 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
