Samsung Galaxy A8 (2018) vs Samsung Galaxy A40
Display
Display size
Resolution
Pixel density
Technology
Super AMOLED
Super AMOLED
Screen-to-body ratio
75.60 %
85.73 %
Features
Scratch-resistant glass (Corning Gorilla Glass 4), 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
Phase detection autofocus
Phase detection autofocus
Specifications
Aperture size: F1.7
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
LED
LED
Video recording
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features
Hyperlapse, Digital image stabilization, Video calling, Video sharing
Hyperlapse, Video calling, Video sharing
Front
16 megapixels
25 megapixels
Features
Dual-Camera
Design
Dimensions
Weight
the average is 6 oz (172 g)
the average is 6 oz (172 g)
Materials
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Plastic
Resistance
Water, Dust
IP certified
IP 68
Biometrics
Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Colors
Black, Gold, Gray, Blue
Black, Pink, Blue, White
Hardware & Performance
System chip
Samsung Exynos 5 Octa 7885
Samsung Exynos 7 Octa 7885
Processor
GPU
Mali-G71
Mali-G71 MP2
RAM
Internal storage
64 GB
64 GB
Maximum User Storage
49.4 GB
Storage expansion
up to 256 GB
up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo, 7.1 Nougat), Samsung One UI
Android (9.0 Pie), Samsung One UI
Battery
Capacity
3000 mAh
3100 mAh
Charging
Yes
Samsung Adaptive Fast Charging
Talk time (3G)
the average is 23 h (1387 min)
the average is 23 h (1387 min)
Internet use
3G
12 hours
9 hours
LTE
14 hours
11 hours
Wi-Fi
15 hours
11 hours
Music playback
43.00 hours
62.00 hours
Video playback
17.00 hours
14.00 hours
Cellular
LTE (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 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
Data
Dual SIM
Yes
Yes
SIM type
Nano SIM
Nano SIM
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, USB charging
Mass storage device
Mobile Payment
Samsung Pay
Samsung Pay
Location
GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
Phone features
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Notifications
Notification light, Haptic feedback, Music ringtones, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording
Multimedia
Screen mirroring
Wireless screen share
Wireless screen share
Radio
FM
FM
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Headphones connector
3.5mm
3.5mm
Additional microphone(s)
for Noise cancellation
for Noise cancellation
