Samsung Galaxy S7 vs Samsung Galaxy A3 (2017)

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Display

Display size

5.1 inches
4.7 inches

Resolution

1440 x 2560 pixels
720 x 1280 pixels

Pixel density

576 ppi
312 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

72.30 %
67.85 %

Features

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

Camera

Rear

Single camera
Single camera

Main camera

12 megapixels
13 megapixels

Hardware Features

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

Specifications

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

Flash

LED
LED

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
Video calling, Video sharing

Front

5 megapixels
8 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)
5.33 x 2.61 x 0.31 inches (135.4 x 66.2 x 7.9 mm)

Weight

5.36 oz (152 g)
the average is 6 oz (172 g)
4.87 oz (138 g)
the average is 6 oz (172 g)

Materials

Back: Glass (Corning Gorilla Glass 4); Frame: Aluminum
Back: Glass; 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, Silver, Pink, White
Black, Gold, Pink, Blue

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

4 GB
2 GB

Internal storage

32 GB
16 GB

Maximum User Storage

24.5 GB
9.7 GB

Storage expansion

up to 200 GB
up to 256 GB

OS

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

Battery

Capacity

3000 mAh
2350 mAh

Charging

Qualcomm Quick Charge 2.0
 

Talk time (3G)

28.00 hours
the average is 23 h (1364 min)
17.00 hours
the average is 23 h (1364 min)

Internet use

 
 

3G

11 hours
12 hours

LTE

13 hours
16 hours

Wi-Fi

14 hours
17 hours

Music playback

55.00 hours
41.00 hours

Video playback

16.00 hours
17.00 hours

Cellular

LTE (FDD)

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

LTE (TDD)

Bands 38, 39, 40, 41
Bands 40

UMTS

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

GSM

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

Data

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), HSPA

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

USB 2.0
Yes

Connector

microUSB
USB Type-C (reversible)

Features

Mass storage device, USB OTG, USB charging
Mass storage device, 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, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback

Hearing aid compatibility

M4, T3
 

Other features

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

Multimedia

Screen mirroring

DLNA, Wireless screen share
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

Feb 12, 2016
Dec 21, 2016

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

FCC measured SAR

 
 

Head

0.43 W/kg
0.45 W/kg

Body

1.06 W/kg
0.74 W/kg

Simultaneous Transmission

1.59 W/kg
1.56 W/kg

Wireless Router

1.03 W/kg
0.94 W/kg

Shopping information

MSRP price

$ 699
 
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