Samsung Galaxy A7 (2017) vs Samsung Galaxy S7 vs Samsung Galaxy S9

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

Display

Size:

5.7 inches
5.1 inches
5.8 inches

Resolution:

1920 x 1080 pixels, 386 PPI
2560 x 1440 pixels, 576 PPI
2960 x 1440 pixels, 18.5:9 ratio, 568 PPI

Technology:

Super AMOLED
Super AMOLED
Super AMOLED

Screen-to-body:

73.78 %
72.30 %
84.36 %

Features:

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

Hardware

System chip:

Samsung Exynos 7 Octa 7880
Qualcomm Snapdragon 820 MSM8996
Qualcomm Snapdragon 845 SDM845

Processor:

Octa-core, 1900 MHz, ARM Cortex-A53, 64-bit, 14 nm
Quad-core, 2200 MHz, Kryo, 64-bit, 14 nm
Octa-core, 2800 MHz, Kryo 385, 64-bit, 10 nm

GPU:

Mali-T830 MP3
Adreno 530
Adreno 630

RAM:

3GB LPDDR3
4GB LPDDR4
4GB LPDDR4

Internal storage:

32GB, available to use: 23 GB
32GB, available to use: 24.5 GB
64GB

Storage expansion:

microSDXC up to 256 GB
microSDXC up to 200 GB
microSDXC up to 400 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow)
Android (8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow), Samsung TouchWiz UI
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI

Battery

Capacity:

3600 mAh
3000 mAh
3000 mAh

Type:

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

Charging:

Fast charging
Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging

Camera

Rear:

Single camera
Single camera
Single camera

Main camera:

16 MP (Autofocus, CMOS image sensor)
12 MP (OIS, PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.9
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.5"; Pixel size: 1.4 μm
Aperture size: F1.5/F2.4; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

Video calling, Video sharing
HDR, Picture-taking during video recording, Video calling, Video sharing
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing

Front:

16 MP
5 MP (HDR)
8 MP (Autofocus, HDR)

Video capture:

2560x1440 (QHD) (30 fps)

Design

Dimensions:

6.17 x 3.06 x 0.31 inches (156.8 x 77.6 x 7.9 mm)
5.61 x 2.74 x 0.31 inches (142.4 x 69.6 x 7.9 mm)
5.81 x 2.70 x 0.33 inches (147.7 x 68.7 x 8.5 mm)

Weight:

6.56 oz (186.0 g)
5.36 oz (152.0 g)
5.75 oz (163.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 4); Frame: Aluminum
Back: Glass (Corning Gorilla Glass 4); Frame: Aluminum
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Resistance:

Water, Dust; IP68
Water, Dust; IP68
Water, Dust; IP68

Biometrics:

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

Features:

Touch sensitive control keys
Touch sensitive control keys
Notification light

Keys:

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

Colors:

Black sky, Gold sand, Blue mist, Peach cloud
Black, Gold, Silver, Pink, White, Pink gold
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 17(700 b), 20(800 DD), 28(700 APT)
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), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46

UMTS:

850, 900, 1700/2100, 1900, 2100 MHz
850, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed:

LTE-A Cat 6 (300/50 Mbit/s), HSPA
LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
aptX-HD
32-Bit DAC, aptX-HD

Screen mirroring:

Wireless screen share
DLNA, Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
4.2
5.0

Wi-Fi:

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

USB:

Type-C (reversible), USB 2.0
microUSB, USB 2.0
Type-C (reversible), USB 3.1

Features:

Charging, Mass storage device
Charging, OTG, Mass storage device
Charging, OTG, Video out

Location:

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

Sensors:

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

Other:

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

Hearing aid compatible:

M4, T3

Regulatory Approval

FCC approval:

Date approved:

Dec 01, 2016
Feb 12, 2016
Jan 11, 2018

FCC ID value:

A3LSMA720F link
A3LSMG930F link
A3LSMG960U link

Measured SAR:

Head:

0.24 W/kg
0.43 W/kg
0.35 W/kg

Body:

0.71 W/kg
1.06 W/kg
0.96 W/kg

Simultaneous Transmission:

3.78 W/kg
1.59 W/kg
1.59 W/kg

Wireless Router:

1.08 W/kg
1.03 W/kg
0.95 W/kg

Buyers information

Price:

$ 699
$ 720

Availability

Officially announced:

Jan 02, 2017
Feb 21, 2016
Feb 25, 2018
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