Samsung Galaxy A40 vs Samsung Galaxy A30s
Display
Size
Resolution
Pixel density
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 & Performance
System chip
Samsung Exynos 7 Octa 7885
Samsung Exynos 7 Octa 7885
Processor
GPU
Mali-G71 MP2
Mali-G71 MP2
RAM
Internal storage
64GB
128GB
Storage expansion
microSDXC up to 512 GB
microSDXC up to 512 GB
OS
Android (9.0 Pie), Samsung One UI
Android (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
Features
Phase-detection autofocus
Phase-detection autofocus
Second camera
5 megapixels
8 megapixels
Features
Ultra-wide
Ultra-wide
Third camera
5 megapixels
Features
Depth information
Video recording
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features
Hyperlapse, Video calling, Video sharing
Front
25 megapixels
16 megapixels
Design
Dimensions
Weight
the average is 6.2 oz (176 g)
the average is 6.2 oz (176 g)
Materials
Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)
In-screen fingerprint
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
Features
Dolby Atmos, Album art cover, Background playback
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
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Compass
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
