Samsung Galaxy A3 (2017) vs Samsung Galaxy S7

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Display

Display size

4.7 inches
5.1 inches

Resolution

720 x 1280 pixels
1440 x 2560 pixels

Pixel density

312 ppi
576 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

67.85 %
72.30 %

Features

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

Camera

Rear

Single camera
Single camera

Main camera

13 megapixels
12 megapixels

Hardware Features

Autofocus, CMOS image sensor
Optical image stabilization, Phase detection autofocus

Specifications

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

Flash

LED
LED

Video recording

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

Features

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

Front

8 megapixels
5 megapixels

Features

 
High Dynamic Range mode (HDR)

Design

Dimensions

5.33 x 2.61 x 0.31 inches (135.4 x 66.2 x 7.9 mm)
5.61 x 2.74 x 0.31 inches (142.4 x 69.6 x 7.9 mm)

Weight

4.87 oz (138 g)
the average is 6 oz (173 g)
5.36 oz (152 g)
the average is 6 oz (173 g)

Materials

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

Resistance

Water, Dust
Water, Dust

IP certified

IP 68
IP 68

Biometrics

Fingerprint (touch)
Fingerprint (touch)

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

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

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7870
Qualcomm Snapdragon 820 MSM8996

Processor

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

GPU

Mali-T830 MP2
Adreno 530

RAM

2 GB
4 GB

Internal storage

16 GB
32 GB

Maximum User Storage

9.7 GB
24.5 GB

Storage expansion

up to 256 GB
up to 200 GB

OS

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

Battery

Capacity

2350 mAh
3000 mAh

Charging

 
Qualcomm Quick Charge 2.0

Talk time (3G)

17.00 hours
the average is 23 h (1396 min)
28.00 hours
the average is 23 h (1396 min)

Internet use

 
 

3G

12 hours
11 hours

LTE

16 hours
13 hours

Wi-Fi

17 hours
14 hours

Music playback

41.00 hours
55.00 hours

Video playback

17.00 hours
16.00 hours

Cellular

LTE (FDD)

Bands 1, 2, 3, 5, 7, 8, 20
Bands 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 29, 30

LTE (TDD)

Bands 40
Bands 38, 39, 40, 41

UMTS

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

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

Data

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

SIM type

Nano SIM
Nano SIM

HD Voice

 
Yes

VoLTE

 
Yes

Connectivity

Bluetooth

4.2
4.2

Wi-Fi

802.11 a, b, g, n, ac, dual-band
802.11 a, b, g, n, ac, dual-band

USB

Yes
USB 2.0

Connector

USB Type-C (reversible)
microUSB

Features

Mass storage device, USB charging
Mass storage device, USB OTG, USB charging

Mobile Payment

Samsung Pay
Samsung Pay

Location

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

Other

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

Phone features

Sensors

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

Notifications

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

Hearing aid compatibility

 
M4, T3

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Multimedia

Screen mirroring

Wireless screen share
DLNA, Wireless screen share

Radio

FM
 

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

 
for Noise cancellation

Regulatory Approval

FCC approval

 
 

Date approved

Dec 21, 2016
Feb 12, 2016

FCC ID value: A3LSMA320F link
FCC ID value: A3LSMG930F link

FCC measured SAR

 
 

Head

0.45 W/kg
0.43 W/kg

Body

0.74 W/kg
1.06 W/kg

Simultaneous Transmission

1.56 W/kg
1.59 W/kg

Wireless Router

0.94 W/kg
1.03 W/kg

Shopping information

MSRP price

 
$ 699
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