Samsung Galaxy Alpha vs Nokia Lumia 830 vs Samsung Galaxy A3

General Info

Manufacturer
Samsung	Nokia	Samsung
Announced
August 2014	September 2014	October 2014
Status
Available - September 2014	Available - September 2014	Available - November 2014
Price
-	-	Rs. 14,265 ($209.78) [Similarly Priced]
Colors
Black, white, gold, silver, blue	Orange, green, white, black	Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B
Form Factor
Candybar	Candybar	Candybar
Dimension
132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in)	139.4 x 70.7 x 8.5 mm (5.49 x 2.78 x 0.33 in)	130.1 x 65.5 x 6.9 mm ( 5.12 x 2.58 x 0.27 in)
Weight
115 g (4.06 oz)	150 g (5.29 oz)	110.3 g (3.88.0.11 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 1900 / 2100
4G Network
LTE	LTE 800 / 900 / 1800 / 2100 / 2600	LTE
Messaging
SMS, MMS, EMail, IM	SMS, MMS, Push Mail, EMail, IM	SMS, MMS, Push Mail, EMail, IM
Build Features
-	ClearBlack display	-

OS
Android OS, v4.4.4 (KitKat)	Microsoft Windows Phone 8.1	Android OS, v4.4.2 (KitKat)
Processor
Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430	Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400	Quad-core 1.2 GHz,
GPU
Mali-T628 MP6	Adreno 305	-
RAM
2 GB	1 GB	1 GB
Internal Memory
32 GB	16 GB	16 GB
External Memory
No	microSD, up to 128 GB	microSD, up to 64 GB

Type
Super AMOLED capacitive touchscreen	IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3	Super AMOLED Capacitive Touchscreen
Colors
16M colors	16M colors	16M colors
Size
4.7 inches	5.0 inches	4.5 inches
Resolution
720 x 1280 pixels (320 ppi)	720 x 1280 pixels (294 ppi)	540 x 960 pixels (245 ppi)
Screen-to-Body Ratio
66.95%	69.80%	65.39%
Multi-Touch

Rear Camera
12 MP, 4128 x 3096 pixels	10 MP, Carl Zeiss Optics	8 MP, 3264x2448 pixels
Flash
LED flash	LED Flash	LED flash
Features
Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR	Auto focus, OIS, 1/3.4'' sensor size, PureView technology, geo-tagging, face detection, panorama	Auto focus, Geo-tagging, Face Detection, Panorama, HDR, Wide Selfie, Rear-cam Selfie
Video
2160p@30fps	1080p@30fps, optical stabilization, stereo sound rec.	1080p@30fps
Front Camera
2.1 MP	0.9 MP, 720p	5 MP

GPRS
Yes	Yes	Yes
Edge
Yes	Up to 296 kbps	Yes
3G
HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL	HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth
v4.0, A2DP, EDR, LE	v4.0, A2DP	v4.0, BLE, ANT+
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot
USB
microUSB v2.0	microUSB v2.0	microUSB v2.0
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS, Beidou	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5