Samsung Galaxy A8 Star vs Samsung Galaxy J7 Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.3 inches
5.5 inches

Resolution:

2220 x 1080 pixels, 18.5:9 ratio, 392 PPI
1280 x 720 pixels, 267 PPI

Technology:

Super AMOLED
Super AMOLED

Screen-to-body:

80.77 %
69.72 %

Colors:

16 777 216

Features:

Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 660 SDM660 (14 nm)
Qualcomm Snapdragon 615 8939

Processor:

Octa-core, 2200 MHz, Kryo 260, 64-bit
Octa-core, 1500 MHz, ARM Cortex-A53, 64-bit

GPU:

Adreno 512
Adreno 405

RAM:

6GB LPDDR4
1.5GB LPDDR3

Internal storage:

64GB, available to use: 49.6 GB
16GB, available to use: 11.6 GB

Storage expansion:

microSDXC up to 400 GB
microSDXC up to 128 GB

OS:

Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (6.0 Marshmallow, 5.1 Lollipop)

Device type:

Smartphone
Smartphone

Battery

Capacity:

3700 mAh
3000 mAh

Type:

Li - Ion, Not user replaceable
User replaceable

Charging:

Fast charging

Camera

Rear:

Dual camera
Single camera

Main camera:

16 MP (PDAF)
13 MP (Autofocus)

Specifications:

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F1.9; Focal length: 28 mm

Second camera:

24 MP (PDAF, CMOS image sensor)

Specifications:

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

Flash:

LED
LED

Video recording:

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

Features:

Hyperlapse, EIS, Video calling, Video sharing
Video calling

Front:

24 MP (Wide Angle)
5 MP (Flash)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.39 x 3.03 x 0.30 inches (162.4 x 77 x 7.6 mm)
6.00 x 3.09 x 0.30 inches (152.4 x 78.6 x 7.5 mm)

Weight:

6.74 oz (191.0 g)
6.03 oz (171.0 g)

Materials:

Back: Glass; Frame: Metal

Biometrics:

2D Face unlock, Fingerprint (touch)

Features:

Notification light
Touch sensitive control keys

Keys:

Left: Volume control, Other; Right: Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key

Colors:

Black, White
Black, Gold, White

Cellular

4G (FDD):

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

4G (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 40(2300)

3G:

Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 5(850), 8(900), 2(1900), 1(2100)

Data Speed:

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

Dual SIM:

Shared with microSD
Yes

SIM type:

Nano SIM
Micro SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

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

Screen mirroring:

Wireless screen share, MirrorLink
Wireless screen share

Radio:

FM
FM, RDS

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
4.1

Wi-Fi:

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

USB:

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

Features:

Mass storage device, Charging
Mass storage device, Charging

Location:

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

Sensors:

Accelerometer, Gyroscope
Accelerometer, Hall (for flip covers)

Other:

NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
ANT+

Phone features

Notifications:

Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

Measured SAR:

Head:

0.43 W/kg

Body:

1.73 W/kg

Buyers information

Price:

$ 234

In The Box:

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

Availability

Officially announced:

Yes
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