Samsung Galaxy S9 vs Samsung Galaxy A8 (2018)
Display
Display size
Resolution
Pixel density
Technology
Super AMOLED
Super AMOLED
Screen-to-body ratio
84.36 %
75.60 %
Features
HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
Camera
Rear
Single camera
Single camera
Main camera
Hardware Features
Optical image stabilization, Phase detection autofocus
Phase detection autofocus
Specifications
Aperture size: F1.5/F2.4; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.7
Flash
LED
LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 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 calling, Video sharing
Hyperlapse, Digital image stabilization, Video calling, Video sharing
Front
8 megapixels
16 megapixels
Features
Autofocus, High Dynamic Range mode (HDR)
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: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Resistance
Water, Dust
Water, Dust
IP certified
IP 68
IP 68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)
Fingerprint (touch)
Colors
Black, Gold, Gray, Purple, Blue, Red
Black, Gold, Gray, Blue
Hardware & Performance
System chip
Qualcomm Snapdragon 845 SDM845
Samsung Exynos 5 Octa 7885
Processor
GPU
Adreno 630
Mali-G71
RAM
Internal storage
256 GB
64 GB
Storage expansion
up to 400 GB
up to 256 GB
OS
Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (9.0 Pie, 8.0 Oreo, 7.1 Nougat), Samsung One UI
Battery
Capacity
3000 mAh
3000 mAh
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging
Yes
Talk time
the average is 22 h (1342 min)
Stand-by time
the average is 20 days (480 h)
Talk time (3G)
the average is 23 h (1364 min)
Internet use
3G
11 hours
12 hours
LTE
12 hours
14 hours
Wi-Fi
14 hours
15 hours
Music playback
51.00 hours
43.00 hours
Video playback
17.00 hours
17.00 hours
Cellular
LTE (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66
LTE (TDD)
Bands 38, 39, 40, 41, 46
Bands 38, 40, 41
UMTS
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
GSM
850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz
CDMA
800, 1900 MHz
Data
Dual SIM
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 3.1
USB 2.0
Connector
USB Type-C (reversible)
USB Type-C (reversible)
Features
Mass storage device, USB OTG, Video out
Mass storage device, USB charging
Mobile Payment
Samsung Pay
Samsung Pay
Location
GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Glonass, BeiDou
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), Barometer
Notifications
Notification light, Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Notification light, Haptic feedback, Music ringtones, Flight mode, Silent mode, Speakerphone
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, Multiple speakers
Earpiece, Loudspeaker
Headphones connector
3.5mm
3.5mm
Additional microphone(s)
for Noise cancellation
Regulatory Approval
FCC approval
Date approved
Jan 11, 2018
Nov 14, 2017
FCC measured SAR
Head
0.35 W/kg
0.26 W/kg
Body
0.96 W/kg
0.76 W/kg
Simultaneous Transmission
1.59 W/kg
1.54 W/kg
Wireless Router
0.95 W/kg
0.98 W/kg
Shopping information
MSRP price
$ 820
