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
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 6.1 oz (174 g)
the average is 6.1 oz (174 g)
Materials
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Resistance
Water, Dust; IP 68
Water, Dust; IP 68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)
Fingerprint (touch)
Features
Notification light
Notification light
Colors
Black, Gold, Gray, Purple, Blue, Red
Black, Gold, Gray, Blue
Multimedia
Headphones
3.5 mm jack
3.5 mm jack
Speakers
Earpiece, Multiple speakers
Earpiece, Loudspeaker
Features
32-Bit DAC, aptX-HD
Album art cover, Background playback
Screen mirroring
Wireless screen share
Wireless screen share
Radio
FM
FM
Additional microphone(s)
for Noise cancellation
for Noise cancellation
Hardware & Performance
System chip
Qualcomm Snapdragon 845 SDM845
Samsung Exynos 5 Octa 7885
Processor
GPU
Adreno 630
Mali-G71
RAM
Internal storage
64 GB
64 GB
Storage expansion
microSDXC up to 400 GB
microSDXC 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
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
USB Type-C (reversible), USB 3.1
USB Type-C (reversible), USB 2.0
Features
USB OTG, Video out
Mass storage device, USB charging
Location
GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Glonass, BeiDou
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Mobile Payment
Samsung Pay
Samsung Pay
Other
NFC, ANT+
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
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
Data
Dual SIM
Yes
SIM type
Nano SIM
Nano SIM
Battery
Capacity
3000 mAh
3000 mAh
Type
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging
Yes
Talk time
the average is 20 h (1174 min)
Stand-by time
the average is 20 days (491 h)
Talk time (3G)
the average is 23 h (1387 min)
Internet use
3G: 11 hours; LTE: 12 hours; Wi-Fi: 14 hours
3G: 12 hours; LTE: 14 hours; Wi-Fi: 15 hours
Music playback
51.00 hours
43.00 hours
Video playback
17.00 hours
17.00 hours
Phone features
Other features
Voice dialing, Voice commands, Voice recording
Regulatory Approval
FCC approval
Date approved
Jan 11, 2018
Nov 14, 2017
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
$ 720
