Samsung Galaxy A40 vs Samsung Galaxy A30s
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Display
Size
Resolution
Technology
Super AMOLED
Super AMOLED
Screen-to-body
85.73 %
84.95 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware
System chip
Exynos 7904
Samsung Exynos 7 Octa 7885
Processor
GPU
Mali-G71 MP2
Mali-G71 MP2
RAM
Internal storage
64GB, available to use: 49.4 GB
128GB
Storage expansion
microSDXC up to 512 GB
microSDXC up to 512 GB
Device type
Smartphone
Smartphone
OS
Android (10, 9.0 Pie), Samsung One UI
Android (10, 9.0 Pie)
Battery
Capacity
3100 mAh
4000 mAh
Type
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Charging
Samsung Adaptive Fast Charging
Fast charging
Camera
Rear
Dual camera
Triple camera
Main camera
Specifications
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F1.7; Focal length: 27 mm
Second camera
5 MP (Ultra-wide)
8 MP (Ultra-wide)
Specifications
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm
Third camera
5 MP (Depth information)
Specifications
Aperture size: F2.2
Video recording
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features
Hyperlapse, Video calling, Video sharing
Front
25 MP
16 MP
Design
Dimensions
Weight
the average is 6.3 oz (179 g)
the average is 6.3 oz (179 g)
Materials
Back: Plastic; Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)
In-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors
Black, Coral, Blue, White
Prism crush black, Prism crush white, Prism crush violet, Prism crush green
Cellular
LTE (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
LTE (TDD)
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
UMTS
850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz
Data Speed
Dual SIM
Yes
SIM type
Nano SIM
Nano SIM
Multimedia
Headphones
3.5mm jack
3.5mm jack
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share
Wireless screen share
Radio
FM
Additional microphone(s)
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth
5.0
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features
Charging, Mass storage device
Charging
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Compass
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
Regulatory Approval
FCC approval
Date approved
Mar 08, 2019
Aug 19, 2019
Measured SAR
Head
0.51 W/kg
0.60 W/kg
Body
0.46 W/kg
0.50 W/kg
Simultaneous Transmission
1.02 W/kg
1.47 W/kg
Wireless Router
0.61 W/kg
1.20 W/kg
Phablet
2.64 W/kg
Availability
Officially announced
Apr 10, 2019
Aug 22, 2019
