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

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

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

Battery

Capacity

2550 mAh
3000 mAh

Type

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

Charging

Fast charging, Qi and Powermat wireless charging
Fast charging

Camera

Rear

Single camera
Single camera

Main camera

16 megapixels
16 megapixels

Features

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

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 6.1 oz (174 g)
6.07 oz (172 g)
the average is 6.1 oz (174 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

Notification light, Touch sensitive control keys
Notification light

Colors

Black, Gold, Blue, White
Black, Gold, Orchid grey, Blue

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 17(700 b), 20(800 DD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

LTE (TDD)

 
Bands 38(2600), 40(2300), 41(2600+)

UMTS

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

Data Speed

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

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

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

Connectivity & Features

Bluetooth

4.1
5.0

Wi-Fi

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

USB

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

Features

Mass storage device, Charging
Charging, Mass storage device

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other

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