Samsung Galaxy Alpha vs Samsung Galaxy A3 (2017)

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Display

Display size

4.7 inches
4.7 inches

Resolution

720 x 1280 pixels
720 x 1280 pixels

Pixel density

312 ppi
312 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body

70.22 %
67.85 %

Features

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

Hardware & Performance

System chip

Samsung Exynos 5 Octa 5433
Samsung Exynos 7 Octa 7870

Processor

Octa-core, 1800 MHz, ARM Cortex-A15 and ARM Cortex-A7
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Mali-T628 MP6
Mali-T830 MP2

RAM

2 GB
2 GB

Internal storage

32 GB
16 GB

Storage expansion

 
microSDXC up to 256 GB

OS

Android (5.1 Lollipop, 4.4.4), Samsung TouchWiz UI
Android (7.0 Nougat, 6.0 Marshmallow)

Battery

Capacity

1860 mAh
2350 mAh

Type

Li - Ion, User replaceable
Not user replaceable

Camera

Rear

Single camera
Single camera

Main camera

12 megapixels
13 megapixels

Features

Autofocus, CMOS image sensor
Autofocus, CMOS image sensor

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (120 fps)
1920x1080 (Full HD) (30 fps)

Features

High Dynamic Range mode (HDR), Digital image stabilization
Video calling, Video sharing

Front

2.1 megapixels
8 megapixels

Design

Dimensions

5.21 x 2.58 x 0.26 inches (132.4 x 65.5 x 6.7 mm )
5.33 x 2.61 x 0.31 inches (135.4 x 66.2 x 7.9 mm)

Weight

4.06 oz (115 g)
the average is 6.1 oz (174 g)
4.87 oz (138 g)
the average is 6.1 oz (174 g)

Materials

Back: Plastic; Frame: Aluminum
Back: Glass; Frame: Aluminum

Resistance

 
Water, Dust; IP 68

Biometrics

Fingerprint (swipe)
Fingerprint (touch)

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

Black, Gold, Gray, Blue, White
Black sky, Gold sand, Peach cloud, Blue mist

Cellular

LTE (FDD)

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

LTE (TDD)

 
Bands 40(2300)

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

Data Speed

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 21.1 Mbit/s
LTE-A Cat 6 (300/50 Mbit/s), HSPA

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

Album art cover, Background playback
Album art cover, Background playback

Connectivity & Features

Bluetooth

4.0
4.2

Wi-Fi

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

USB

microUSB, USB 2.0
Type-C (reversible)

Features

Mass storage device, Charging
Charging, Mass storage device

Sensors

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

Phone features

Notifications

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

Other features

Voice dialing, Voice commands, Voice recording
 
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