Samsung Galaxy S8+ vs Samsung Galaxy A40
Display
Display size
Resolution
Pixel density
Technology
Super AMOLED
Super AMOLED
Screen-to-body ratio
83.32 %
85.73 %
Features
HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), 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: F1.7; Focal length: 26 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
LED
LED
Video recording
3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)
Features
High Dynamic Range mode (HDR), Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, Digital image stabilization, Video calling, Video sharing
Hyperlapse, Video calling, Video sharing
Front
8 megapixels
25 megapixels
Features
Wide Angle, Autofocus, High Dynamic Range mode (HDR)
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 68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Colors
Black, Gold, Gray, Silver, Pink, Blue
Black, Pink, Blue, White
Multimedia
Headphones
3.5 mm jack
3.5 mm jack
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features
Album art cover, Background playback
Album art cover, Background playback, Dolby Atmos
Screen mirroring
DLNA, Wireless screen share, MHL
Wireless screen share
Radio
FM
Additional microphone(s)
for Noise cancellation
for Noise cancellation
Hardware & Performance
System chip
Qualcomm Snapdragon 835 MSM8998
Samsung Exynos 7 Octa 7885
Processor
GPU
Adreno 540
Mali-G71 MP2
RAM
Internal storage
64 GB
64 GB
Available to use
49.4 GB
Storage expansion
microSDXC up to 256 GB
microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI
Android (9.0 Pie), Samsung One UI
Connectivity & Features
Bluetooth
5.0, EDR
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; MIMO, Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
USB
USB Type-C (reversible), USB 3.1
USB Type-C (reversible), USB 2.0
Features
Mass storage device, USB charging
Mass storage device
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Mobile Payment
Samsung Pay
Samsung Pay
Other
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
Cellular
LTE (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66
Bands 1, 3, 5, 7, 8, 20
LTE (TDD)
Bands 38, 40, 41
UMTS
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1900, 2100 MHz
Data
Dual SIM
Yes
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
Battery
Capacity
3500 mAh
3100 mAh
Type
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Charging
Yes, Qi and Powermat wireless charging
Samsung Adaptive Fast Charging
Talk time
the average is 21 h (1288 min)
Stand-by time
the average is 19 days (457 h)
Talk time (3G)
the average is 23 h (1362 min)
the average is 23 h (1362 min)
Internet use
3G: 14 hours; LTE: 16 hours; Wi-Fi: 15 hours
3G: 9 hours; LTE: 11 hours; Wi-Fi: 11 hours
Music playback
99.00 hours
62.00 hours
Video playback
20.00 hours
14.00 hours
Phone features
Notifications
Haptic feedback
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording, TTY/TDD
Voice dialing, Voice commands, Voice recording
