Samsung Galaxy S7 vs Samsung Galaxy J7 (2017)

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Display

Size

5.1 inches
5.5 inches

Resolution

2560 x 1440 pixels,
576 PPI
1920 x 1080 pixels,
401 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

72.30 %
73.28 %

Features

Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
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 MP2

RAM

4GB LPDDR4
3GB LPDDR3

Internal storage

32GB
16GB

Storage expansion

microSDXC up to 200 GB
microSDXC up to 256 GB

OS

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

Battery

Capacity

3000 mAh
3600 mAh

Type

Li - Ion, Not user replaceable
Not user replaceable

Charging

Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
 

Camera

Rear

Single camera
Single camera

Main camera

12 MP (OIS, PDAF)
13 MP (Autofocus)

Specifications

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.5"; Pixel size: 1.4 μm
Aperture size: F1.7

Video recording

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

Features

HDR, Picture-taking during video recording, Video calling, Video sharing
Video calling, Video sharing

Front

5 MP (HDR)
13 MP (Flash)

Design

Dimensions

5.61 x 2.74 x 0.31 inches (142.4 x 69.6 x 7.9 mm)
6.00 x 2.94 x 0.31 inches (152.5 x 74.8 x 8 mm)

Weight

5.36 oz (152 g)
the average is 6.4 oz (184 g)
6.38 oz (181 g)
the average is 6.4 oz (184 g)

Materials

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

Resistance

Water, Dust; IP 68
 

Biometrics

Fingerprint (touch)
Fingerprint (touch)

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

Black, Gold, Silver, Pink, White, Pink gold
Black, Gold, Silver, Rose gold

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 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD)

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

UMTS

850, 1700/2100, 1900, 2100 MHz
850, 900, 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-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

VoLTE

Yes
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

aptX-HD
Album art cover, Background playback

Connectivity & Features

Bluetooth

4.2
4.1

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, OTG, Mass storage device

Sensors

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

Other

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

Shopping information

MSRP

$ 699
 
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