Samsung Galaxy A3 (2017) vs Samsung Galaxy A7 (2018) Specs Comparison

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

Display

Size:

4.7 inches
6.0 inches

Resolution:

1280 x 720 pixels, 312 PPI
2220 x 1080 pixels, 18.5:9 ratio, 411 PPI

Technology:

Super AMOLED
Super AMOLED

Screen-to-body:

67.85 %
74.55 %

Colors:

16 777 216

Features:

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

Hardware

System chip:

Samsung Exynos 7 Octa 7870 (14 nm)
Samsung Exynos 7 Octa 7885 (14 nm)

Processor:

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit
Octa-core, 2200 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit

GPU:

Mali-T830 MP2
Mali-G71 MP2

RAM:

2GB LPDDR3
6GB LPDDR4

Internal storage:

16GB, available to use: 9.7 GB
128GB

Storage expansion:

microSDXC up to 256 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

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

Battery

Capacity:

2350 mAh
3300 mAh

Type:

Not user replaceable
Not user replaceable

Camera

Rear:

Single camera
Triple camera

Main camera:

13 MP (Autofocus, CMOS image sensor)
24 MP (PDAF, CMOS image sensor)

Specifications:

Aperture size: F1.9
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.8"; Pixel size: 0.9 μm

Second camera:

8 MP (Ultra-wide, Autofocus, CMOS image sensor, BSI sensor)

Specifications:

Aperture size: F2.4; Focal Length: 18 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

5 MP (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:

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features:

Video calling, Video sharing
Hyperlapse, EIS, Video calling, Video sharing

Front:

8 MP
24 MP (Flash)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

5.33 x 2.61 x 0.31 inches (135.4 x 66.2 x 7.9 mm)
6.29 x 3.02 x 0.30 inches (159.8 x 76.8 x 7.5 mm)

Weight:

4.87 oz (138.0 g)
5.93 oz (168.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

Fingerprint (touch)
Fingerprint (touch)

Features:

Touch sensitive control keys
Notification light

Keys:

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

Colors:

Black sky, Gold sand, Peach cloud, Blue mist
Black, Gold, Pink, Blue

Cellular

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)

4G (TDD):

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

3G:

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

Data Speed:

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

SIM type:

Nano SIM
Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

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

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM
FM

Connectivity & Features

Bluetooth:

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; Hotspot, Wi-Fi Direct

USB:

Type-C (reversible)
microUSB, USB 2.0

Features:

Charging, Mass storage device
Mass storage device, Charging

Location:

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

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+, VoIP, Tethering, Computer sync, OTA sync

Phone features

Notifications:

Haptic feedback, Music ringtones, Vibration

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Dec 21, 2016
Sep 13, 2018

FCC ID value:

A3LSMA320F
A3LSMA750FN

Measured SAR:

Head:

0.45 W/kg
0.50 W/kg

Body:

0.74 W/kg
0.39 W/kg

Simultaneous Transmission:

1.56 W/kg
1.59 W/kg

Wireless Router:

0.94 W/kg
1.05 W/kg

Buyers information

In The Box:

Charger, microUSB cable, Headphones, SIM Removal Tool, Documentation

Availability

Officially announced:

Jan 02, 2017
Sep 20, 2018
FCC OKs Cingular\'s purchase of AT&T Wireless