Samsung Galaxy S6 vs Samsung Galaxy A8 (2018)

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Display

Display size

5.1 inches
5.6 inches

Resolution

1440 x 2560 pixels
1080 x 2220 pixels

Pixel density

577 ppi
441 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

70.48 %
75.60 %

Features

Scratch-resistant glass (Corning Gorilla Glass 4), 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

16 megapixels
16 megapixels

Hardware Features

Optical image stabilization, Autofocus, Back-illuminated sensor (BSI)
Phase detection autofocus

Specifications

Aperture size: F1.9; Focal length: 28 mm; Sensor size: 1/2.6"; Pixel size: 1.12 μm
Aperture size: F1.7

Flash

LED
LED

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (120 fps)
1920x1080 (Full HD) (30 fps)

Features

Optical image stabilization, High Dynamic Range mode (HDR), Continuous autofocus, Picture-taking during video recording, Video light, Video calling
Hyperlapse, Digital image stabilization, Video calling, Video sharing

Front

5 megapixels
16 megapixels

Features

High Dynamic Range mode (HDR)
Dual-Camera

Design

Dimensions

5.65 x 2.78 x 0.27 inches (143.4 x 70.5 x 6.8 mm)
5.87 x 2.78 x 0.33 inches (149.2 x 70.6 x 8.4 mm)

Weight

4.87 oz (138 g)
the average is 6 oz (172 g)
6.07 oz (172 g)
the average is 6 oz (172 g)

Materials

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

Resistance

 
Water, Dust; IP 68

Biometrics

Fingerprint (touch)
Fingerprint (touch)

Features

Touch sensitive control keys, Notification light
Notification light

Colors

Black, Gold, Blue, White
Black, Gold, Gray, Blue

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback, Custom equalizer, Preset equalizer, Sound effects
Album art cover, Background playback

Screen mirroring

DLNA, Wireless screen share
Wireless screen share

Radio

 
FM

Additional microphone(s)

for Noise cancellation, Video recording
for Noise cancellation

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7420
Samsung Exynos 5 Octa 7885

Processor

Octa-core, 2100 MHz, ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2200 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Mali-T760 MP8
Mali-G71

RAM

3 GB
4 GB

Internal storage

128 GB, not expandable
64 GB

Storage expansion

 
microSDXC up to 256 GB

OS

Android (7.0 Nougat, 6.0 Marshmallow, 5.1 Lollipop, 5.0 Lollipop), Samsung TouchWiz UI
Android (9.0 Pie, 8.0 Oreo, 7.1 Nougat), Samsung One UI

Connectivity & Features

Bluetooth

4.1
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band; Multiple antennas, MIMO, Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

USB 2.0
USB 2.0

Connector

microUSB
USB Type-C (reversible)

Features

Mass storage device, USB charging
Mass storage device, USB charging

Location

GPS, A-GPS, Glonass
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+, UMA (Wi-Fi Calling), Infrared, Tethering, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 8, 17, 20
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66

LTE (TDD)

 
Bands 38, 40, 41

UMTS

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

Data

LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA, UMTS
LTE-A Cat 11 (600/75 Mbit/s), HSPA, HSUPA

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

Battery

Capacity

2550 mAh
3000 mAh

Type

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

Charging

Yes, Qi and Powermat wireless charging
Yes

Talk time (3G)

23.00 hours
the average is 23 h (1362 min)
19.00 hours
the average is 23 h (1362 min)

Internet use

3G: 10 hours; LTE: 12 hours; Wi-Fi: 12 hours
3G: 12 hours; LTE: 14 hours; Wi-Fi: 15 hours

Music playback

57.00 hours
43.00 hours

Video playback

13.00 hours
17.00 hours

Phone features

Notifications

Haptic feedback, (MP3)
 

Other features

Voice dialing, Voice commands, Voice recording, TTY/TDD
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval

 
 

Date approved

Mar 02, 2015
Nov 14, 2017

FCC ID value: A3LSMG920A link
FCC ID value: A3LSMA530F link

FCC measured SAR

 
 

Head

0.49 W/kg
0.26 W/kg

Body

0.96 W/kg
0.76 W/kg

Simultaneous Transmission

1.25 W/kg
1.54 W/kg

Wireless Router

1.04 W/kg
0.98 W/kg
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