Samsung Galaxy S7 vs Samsung Galaxy J7 Star

$219.00 VIEW ON AMAZON
$134.99 VIEW ON eBay

Display

Display size

5.1 inches
5.5 inches

Resolution

1440 x 2560 pixels
720 x 1280 pixels

Pixel density

576 ppi
267 ppi

Technology

Super AMOLED
TFT

Screen-to-body

72.30 %
71.45 %

Features

Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware & Performance

System chip

Qualcomm Snapdragon 820 MSM8996
Samsung Exynos 7 Octa 7870

Processor

Quad-core, 2200 MHz, Kryo, 64-bit, 14 nm
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 530
Mali-T830 MP1

RAM

4 GB
2 GB

Internal storage

32 GB
32 GB

Storage expansion

microSDXC up to 200 GB
microSDXC up to 400 GB

OS

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

Battery

Capacity

3000 mAh
3300 mAh

Type

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

Charging

Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
 

Camera

Rear

Single camera
Single camera

Main camera

12 megapixels
13 megapixels

Features

Optical image stabilization, Phase detection autofocus
Phase detection autofocus

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)

Features

High Dynamic Range mode (HDR), Picture-taking during video recording, Video calling, Video sharing
 

Front

5 megapixels
13 megapixels

Features

High Dynamic Range mode (HDR)
 

Design

Dimensions

5.61 x 2.74 x 0.31 inches (142.4 x 69.6 x 7.9 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

5.36 oz (152 g)
the average is 6.1 oz (176 g)
6.38 oz (181 g)
the average is 6.1 oz (176 g)

Materials

Back: Glass (Corning Gorilla Glass 4); Frame: Aluminum
 

Resistance

Water, Dust; IP 68
 

Biometrics

Fingerprint (touch)
2D Face unlock

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

Black, Gold, Silver, Pink, White, Pink gold
Blue

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 18(800 Lower), 19(800 Upper), 20(800 DD), 29(700 d), 30(2300 WCS)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)

LTE (TDD)

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
 

UMTS

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

Data Speed

LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
Yes

VoLTE

Yes
 

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

aptX-HD
 

Connectivity & Features

Bluetooth

4.2
4.2

Wi-Fi

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

USB

microUSB, USB 2.0
microUSB, USB 2.0

Features

Charging, OTG, Mass storage device
Charging

Sensors

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

Other

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

Shopping information

In The Box

 
USB cable, Wall charging adapter, Start guide, Terms & Conditions

MSRP price

$ 699
 
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