Samsung Galaxy A8 Star (A9 Star) vs Samsung Galaxy S8

Samsung Galaxy A8 Star (A9 Star)

Samsung Galaxy S8

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 20(800), 28(700)
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE-A speed

LTE-A, (3CA) Cat9, 450 Mbps download, 50 Mbps upload

LTE-A, (4CA) Cat16, 1024 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Polycarbonate

Corning Gorilla Glass 5 back panel
SIM

Hybrid Dual SIM (Nano-SIM, dual stand-by)

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Height

162.4 mm

148.9 mm
Width

77 mm

68.1 mm
Thickness

7.6 mm

8 mm
Weight

191 g

155 g
Payment

Samsung Pay

Samsung Pay(Visa, Mastercard)
Waterproof

-

IP68 - 1.5 m and 30 minutes
Dust proof

-

IP68
Colors

Black, White

Arctic Silver, Coral Blue, Maple Gold, Midnight Black, Orchid Gray

Display
Display type

Super AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

6.3 inches

5.8 inches
Resolution

1080 x 2220 pixels

1440 x 2960 pixels
Pixel density

392 ppi

570 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen

Corning Gorilla Glass 5
Multitouch

Yes

Yes

Hardware
CPU

Octa-core

Octa-core
CPU

Quad-core 2.2 GHz Kryo 260

Quad-core 2.3 GHz
CPU(second)

quad-core 1.8 GHz Kryo 260

quad-core 1.7 GHz
Chipset

Qualcomm SDM660 Snapdragon 660

Qualcomm MSM8998 Snapdragon 835 - US / Exynos 8895 Octa - EMEA
GPU

Adreno 512

Adreno 540 - US
Memory RAM

4 GB

4 GB
Internal storage

64 GB

64 GB
Memory card

microSD(uses second SIM slot)

microSD
Memory card max

400 GB

256 GB

Main camera
Camera type

Dual

-
Main camera

24 MP, f/1.7

12 MP, f/1.7 , 26 mm
16 MP, f/1.7
Primary camera resolution

4608 x 3456 pixels

-
Primary camera video

2160p@30fps, 1080p@30fps

2160p@30fps, 1080p@60fps
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

LED flash

LED flash
Primary camera optical image stabilization

-

optical image stabilization
Primary camera phase detection autofocus

-

phase detection autofocus
Primary camera video dual video

-

dual-video record
Primary camera video hdr

-

HDR
Camera features

Geo-tagging, HDR, face detection, panorama, touch focus

1.4 µm pixel size, 1/2.5" sensor size, Auto HDR, face/smile detection, geo-tagging, panorama, simultaneous 4K video and 9MP image recording, touch focus

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 1.0 reversible connector
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes

Features
Messaging SMS

SMS(threaded view)

SMS(threaded view)
Messaging MMS

MMS

MMS
Messaging Email

Email

Email
Messaging IM

IM

IM
Messaging Push Email

Push Email

-
Messaging Push Mail

-

Push Mail
Java

-

No
Sensors

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity

Iris scanner, SpO2, accelerometer, barometer, compass, fingerprint (rear-mounted), gyro, heart rate, proximity