Samsung Galaxy S8 vs Samsung Galaxy A9 (2018)

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VIEW ON AMAZON

Display

Display size

5.8 inches
6.3 inches

Resolution

1440 x 2960 pixels
1080 x 2220 pixels

Pixel density

570 ppi
392 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

84.26 %
80.51 %

Features

HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Camera

Rear

Single camera
Quad camera

Main camera

12 megapixels
24 megapixels

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: 0.9 μm

Second camera

 
10 megapixels

Hardware Features

 
Telephoto, Autofocus

Specifications

 
Optical zoom: 2x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.9"; Pixel size: 1 μm

Third camera

 
8 megapixels

Hardware Features

 
Ultra-wide

Specifications

 
Aperture size: F2.4; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Fourth camera

 
5 megapixels

Hardware Features

 
Depth information

Specifications

 
Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording

3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 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, Continuous autofocus, Digital image stabilization, Video calling, Video sharing

Front

8 megapixels
24 megapixels

Features

Wide Angle, Autofocus, High Dynamic Range mode (HDR)
 

Design

Dimensions

5.86 x 2.68 x 0.31 inches (148.9 x 68.1 x 8.0 mm)
6.40 x 3.03 x 0.31 inches (162.5 x 77 x 7.8 mm)

Weight

5.47 oz (155 g)
the average is 6.1 oz (174 g)
6.46 oz (183 g)
the average is 6.1 oz (174 g)

Materials

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Glass; Frame: Metal

Resistance

Water, Dust; IP 68
 

Biometrics

Iris scanner, 2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Colors

Black, Gold, Silver, Purple, Pink, Blue
Black, Pink, Blue

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

Screen mirroring

DLNA, Wireless screen share, MHL
Wireless screen share

Radio

 
FM

Additional microphone(s)

for Noise cancellation, Video recording
 

Hardware & Performance

System chip

Qualcomm Snapdragon 835 MSM8998
Qualcomm Snapdragon 660 SDM660

Processor

Octa-core, 2350 MHz, Kryo 280, 64-bit, 10 nm
Octa-core, 2200 MHz, Kryo 260, 64-bit, 14 nm

GPU

Adreno 540
Adreno 512

RAM

4 GB
6 GB

Internal storage

64 GB
128 GB

Available to use

 
108.9 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 (8.0 Oreo), Samsung Experience 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; MIMO, Hotspot, Wi-Fi Direct

USB

USB Type-C (reversible), USB 3.1
USB Type-C (reversible), USB 2.0

Features

Mass storage device, Video out
Mass storage device

Location

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou

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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66

LTE (TDD)

Bands 38, 39, 40, 41
Bands 38, 40, 41

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data

LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

Battery

Capacity

3000 mAh
3800 mAh

Type

Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Charging

Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
Samsung Adaptive Fast Charging

Talk time

30.00 hours
the average is 20 h (1174 min)
 

Stand-by time

13.4 days (321 hours)
the average is 20 days (491 h)
 

Talk time (3G)

 
23.00 hours
the average is 23 h (1387 min)

Internet use

3G: 12 hours; LTE: 14 hours; Wi-Fi: 14 hours
3G: 13 hours; LTE: 15 hours; Wi-Fi: 15 hours

Music playback

88.00 hours
112.00 hours

Video playback

17.00 hours
19.00 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

Regulatory Approval

FCC approval

 
 

Date approved

Apr 06, 2017
Oct 18, 2018

FCC ID value: A3LSMG950U link
FCC ID value: A3LSMA920F link

Measured SAR

 
 

Head

0.49 W/kg
0.24 W/kg

Body

0.48 W/kg
0.84 W/kg

Simultaneous Transmission

1.53 W/kg
1.58 W/kg

Wireless Router

0.46 W/kg
1.40 W/kg

Phablet

 
3.95 W/kg

Shopping information

In The Box

 
Charger, USB cable, Headphones, SIM removal tool, Documentation
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