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Samsung Galaxy A3 2017 vs Samsung Galaxy Alpha

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Samsung galaxy alpha front small
 
Operating System
Android 7.0
Android 4.4
Cpu Speed
1.6 GHz
1.8 GHz
CPU Cores
Octa Core
Octa Core
CPU Model
Samsung Exynos 7 Octa (7870)
Samsung Exynos 5 Octa 5410
GPU
GPU Model
ARM Mali-T830
PowerVR SGX544
Ram memory
2GB
2GB
Touchscreen
Colors
16M
16M
Screen size
4.7 in
4.7 in
Resolution
720x1280
1280x720
Technology
OLED (AMOLED)
Super AMOLED
Pixel Density
312 ppi
312 ppi
Dual screen support
Scratch resistant display
HDR
Screen Material
-
Corning Gorilla Glass 4.0
Ambient light sensor
-
Multi touch
-
Number of cameras
2
2
Front Resolution
8 Mpx
2.1 Mpx
Primary rear resolution
13 Mpx
12 Mpx
Video recording
Highest Video Resolution
1920x1080
1920x1080
Maximum FPS at the highest resolution
30 fps
30 fps
Maximum FPS (regardless of res.)
30 fps
120 fps
Autofocus
Geo-tagging
LED Flash
Primary rear lens aperture
-
2.2 f
Max resolution (highest frame rate)
-
1280x720
Burst Mode
-
Digital Image Stabilization
-
Digital Zoom
-
Face Detection
-
HDR Capture
-
Panorama
-
Smile Detection
-
Touch Focus
-
Memory card reader
Card Storage Max
256 GB
-
Types of memory card supported
microSD, microSDHC, microSDXC
No memory slot
Internal storage
-
32GB
Available Colors
Black, Blue, Gold, Pink, Silver
Black, Blue, Copper, Gold, Pink, Red, Silver, White
Material
Aluminium, Glass
Metal, Aluminium, Glass
Height
135.4 mm
132.4 mm
Width
66.2 mm
65.5 mm
Depth
7.9 mm
6.7 mm
Weight
138 g
115 g
Physical keyboard/numpad
Water resistant
Shock resistant
Accelerometer
Fingerprint
Gyroscope
Barometer
Proximity
ANT+
-
Digital Compass
-
Pedometer
-
Heart Rate Monitor
-
FM radio
-
IR
-
Built-in navigation system
GPS
A-GPS
BeiDou
GLONASS
Dual sim support
Sim Card Size
Nano-SIM
Nano-SIM
DLNA certified
Bluetooth
Bluetooth Version
4.2
4.0
Bluetooth profile
A2DP, AVRCP
A2DP, A2DP, AVRCP
NFC
Connector type
USB
USB
Headphone Connection
3.5 mm
3.5 mm
USB version
2.0
2.0
Type of USB connector
USB-C
Micro-USB
USB On-The-Go (OTG)
Video output
2G GSM
3G UMTS
HSPA+
DC-HSPA
HSDPA speed
42 Mbps
42 Mbps
HSUPA speed
5.76 Mbps
5.76 Mbps
4G Speed (download/upload)
300/50
300/50
Wireless network (Wi-Fi)
Wireless networking standard
802.11a, 802.11ac, 802.11b, 802.11g, 802.11n
802.11a, 802.11ac, 802.11b, 802.11g, 802.11n
GSM Frequencies
-
850 MHz, 900 MHz, 1800 MHz, 1900 MHz
UMTS Frequences
-
850 MHz, 900 MHz, 1900 MHz, 2100 MHz
HSPA
-
HSPA Frequencies
-
850 MHz, 900 MHz, 1900 MHz, 2100 MHz
LTE Frequencies
-
800 MHz, 850 MHz, 900 MHz, 1800 MHz, 1900 MHz, 2100 MHz, 2600 MHz
Mobile hotspot function
-
Exchangeable battery
Capacity
2350 mAh
1860 mAh
Talk Time 2G
17 h
-
Talk Time 3G
17 h
11 h
Supports fast charging
Supports wireless charging
Battery Type
-
Lithium Ion
Standby Time 2G
-
350 h
Standby Time 3G
-
350 h
Built-in wireless charging
-
Voice over LTE (VoLTE)
Voice over WiFi (VoWiFi)