Samsung Galaxy A9 (2018) vs Samsung Galaxy A40
Display
Display size
Resolution
Pixel density
Technology
Super AMOLED
Super AMOLED
Screen-to-body
80.51 %
85.73 %
Features
Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware & Performance
System chip
Qualcomm Snapdragon 660 SDM660
Samsung Exynos 7 Octa 7885
Processor
GPU
Adreno 512
Mali-G71 MP2
RAM
Internal storage
128 GB
64 GB
Storage expansion
microSDXC up to 512 GB
microSDXC up to 512 GB
OS
Android (8.0 Oreo), Samsung Experience UI
Android (9.0 Pie), Samsung One UI
Battery
Capacity
3800 mAh
3100 mAh
Type
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Charging
Samsung Adaptive Fast Charging
Samsung Adaptive Fast Charging
Camera
Rear
Quad camera
Dual camera
Main camera
Features
Phase detection autofocus
Phase detection autofocus
Second camera
10 megapixels
5 megapixels
Features
Telephoto, Autofocus
Ultra-wide
Third camera
8 megapixels
Features
Ultra-wide
Fourth camera
5 megapixels
Features
Depth information
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features
Hyperlapse, Continuous autofocus, Digital image stabilization, Video calling, Video sharing
Hyperlapse, Video calling, Video sharing
Front
24 megapixels
25 megapixels
Design
Dimensions
Weight
the average is 6.1 oz (176 g)
the average is 6.1 oz (176 g)
Materials
Back: Glass; Frame: Metal
Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Colors
Caviar black, Lemonade blue, Bubblegum pink
Black, Coral, Blue, White
Cellular
LTE (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), 26(850+), 28(700 APT), 66(AWS-3)
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, 1700/2100, 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
Album art cover, Background playback
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; MIMO, 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, Mass storage device
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
Shopping information
In The Box
Charger, USB cable, Headphones, SIM removal tool, Documentation
