Samsung Galaxy Alpha vs Samsung Galaxy A3 vs OnePlus 2

General Info

Manufacturer
Samsung	Samsung	OnePlus
Announced
August 2014	October 2014	July 2015
Status
Available - September 2014	Available - November 2014	Available - August 2015
Price
-	Rs. 14,265 ($209.78) [Similarly Priced]	Rs. 19,999 ($294.10) [Similarly Priced]
Colors
Black, white, gold, silver, blue	Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B	Sandstone Black
Form Factor
Candybar	Candybar	Candybar
Dimension
132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in)	130.1 x 65.5 x 6.9 mm ( 5.12 x 2.58 x 0.27 in)	151.8 x 74.9 x 9.85 mm (5.98 x 2.95 x 0.39 in)
Weight
115 g (4.06 oz)	110.3 g (3.88.0.11 oz)	175 g (6.17 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 / 1900 / 2100	HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network
LTE	LTE	LTE 700 / 1700 / 1800 / 2100 / 2300 / 2600
Messaging
SMS, MMS, EMail, IM	SMS, MMS, Push Mail, EMail, IM	SMS, MMS, Push Mail, EMail, IM
Build Features
-	-	Fingerprint sensor,Metal Frame,Replaceable Back-covers

OS
Android OS, v4.4.4 (KitKat)	Android OS, v4.4.2 (KitKat)	Android OS, v5.1.1 (Lollipop), OxygenOS
Processor
Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430	Quad-core 1.2 GHz,	Quad-core 1.5 GHz Cortex-A53 & Quad-core 2 GHz Cortex-A57, Qualcomm MSM8994 Snapdragon 810
GPU
Mali-T628 MP6	-	Adreno 430
RAM
2 GB	1 GB	4/3 GB
Internal Memory
32 GB	16 GB	16/64 GB
External Memory
No	microSD, up to 64 GB	No

Type
Super AMOLED capacitive touchscreen	Super AMOLED Capacitive Touchscreen	IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 4
Colors
16M colors	16M colors	16M colors
Size
4.7 inches	4.5 inches	5.5 inches
Resolution
720 x 1280 pixels (320 ppi)	540 x 960 pixels (245 ppi)	1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio
66.95%	65.39%	73.17%
Multi-Touch

Rear Camera
12 MP, 4128 x 3096 pixels	8 MP, 3264x2448 pixels	13 MP, 4128 x 3096 pixels
Flash
LED flash	LED flash	Dual-LED flash
Features
Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR	Auto focus, Geo-tagging, Face Detection, Panorama, HDR, Wide Selfie, Rear-cam Selfie	Laser Auto focus, Optical Image Stabilization (OIS), Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video
2160p@30fps	1080p@30fps	2160p@30fps, 2160p(DCI)@24fps, 1080p@60fps, 720p@120fps, HDR, stereo sound rec.
Front Camera
2.1 MP	5 MP	5 MP, 1080p@30fps

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL	HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
v4.0, A2DP, EDR, LE	v4.0, BLE, ANT+	v4.1, A2DP
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/ac, dual-band, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n/ac, 2.4/5 GHz, Wi-Fi Direct, DLNA, hotspot
USB
microUSB v2.0	microUSB v2.0	microUSB v2.0, USB Host
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5