Samsung Galaxy A8 Star vs Samsung Galaxy A7 (2018)

Display

Display size

6.3 inches
6.0 inches

Resolution

1080 x 2220 pixels
1080 x 2220 pixels

Pixel density

392 ppi
411 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

80.77 %
74.55 %

Features

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Camera

Rear

Dual camera
Triple camera

Main camera

16 megapixels
24 megapixels

Hardware Features

Phase detection autofocus
Phase detection autofocus, CMOS image sensor

Specifications

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.8"; Pixel size: 0.9 μm

Second camera

24 megapixels
8 megapixels

Hardware Features

Phase detection autofocus, CMOS image sensor
Ultra-wide, Autofocus, CMOS image sensor, Back-illuminated sensor (BSI)

Specifications

Aperture size: F1.7; Focal Length: 26 mm; Sensor size: 1/2.8"; Pixel size: 0.9 μm
Aperture size: F2.4; Focal Length: 18 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third 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

Flash

LED
LED

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

Hyperlapse, Digital image stabilization, Video calling, Video sharing
Hyperlapse, Digital image stabilization, Video calling, Video sharing

Front

24 megapixels
24 megapixels

Features

Wide Angle
Flash

Design

Dimensions

6.39 x 3.03 x 0.30 inches (162.4 x 77 x 7.6 mm)
6.29 x 3.02 x 0.30 inches (159.8 x 76.8 x 7.5 mm)

Weight

6.74 oz (191 g)
the average is 6 oz (172 g)
5.93 oz (168 g)
the average is 6 oz (172 g)

Materials

Back: Glass; Frame: Metal
Back: Glass (Corning Gorilla Glass 3); Frame: Plastic

Biometrics

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

Features

Notification light
Notification light

Colors

Black, White
Black, Gold, Pink, Blue

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback, Dolby Atmos
Album art cover, Background playback, Dolby Atmos

Screen mirroring

Wireless screen share, MirrorLink
Wireless screen share

Radio

FM
FM

Additional microphone(s)

for Noise cancellation
 

Hardware & Performance

System chip

Qualcomm Snapdragon 660 SDM660
Samsung Exynos 7 Octa 7885

Processor

Octa-core, 2200 MHz, Kryo 260, 64-bit, 14 nm
Octa-core, 2200 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 512
Mali-G71 MP2

RAM

6 GB
6 GB

Internal storage

64 GB
128 GB

Maximum User Storage

49.6 GB
 

Storage expansion

microSDXC up to 400 GB
microSDXC up to 512 GB

OS

Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (9.0 Pie, 8.0 Oreo), Samsung One UI

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

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

USB

USB 2.0
USB 2.0

Connector

USB Type-C (reversible)
microUSB

Features

Mass storage device
Mass storage device

Location

GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Glonass, BeiDou

Sensors

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

Mobile Payment

Samsung Pay
Samsung Pay

Other

NFC, ANT+, VoIP, 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, 17, 18, 19, 20, 26, 28
Bands 1, 3, 5, 7, 8, 20

LTE (TDD)

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

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

Data

LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA

Dual SIM

Yes
 

SIM type

Nano SIM
Nano SIM

VoLTE

 
Yes

Battery

Capacity

3700 mAh
3300 mAh

Type

Li - Ion, Not user replaceable
Not user replaceable

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

Music playback

59.00 hours
74.00 hours

Video playback

19.00 hours
17.00 hours

Phone features

Notifications

Haptic feedback, Music ringtones, Vibration
Haptic feedback, Music ringtones, Vibration

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval

 
 

Date approved

 
Sep 13, 2018

 
FCC ID value: A3LSMA750FN link

FCC measured SAR

 
 

Head

0.43 W/kg
0.50 W/kg

Body

1.73 W/kg
0.39 W/kg

Simultaneous Transmission

 
1.59 W/kg

Wireless Router

 
1.05 W/kg

Shopping information

In The Box

Charger, USB Type-C cable, Headphones, SIM Removal Tool, Documentation
Charger, microUSB cable, Headphones, SIM Removal Tool, Documentation
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