Samsung Galaxy Ace 2 vs Samsung Galaxy S5 mini Duos vs Samsung Galaxy A3 Duos

General Info

Manufacturer
Samsung	Samsung	Samsung
Announced
February 2012	August 2014	October 2014
Status
Available - May 2012	Available - August 2014	Available - November 2014
Price
-	-	Rs. 14,265 ($209.78) [Similarly Priced]
Colors
Black	Charcoal Black, Shimmery White	Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B
Form Factor
Candybar	Candybar	Candybar
Dimension
118.3 x 62.2 x 10.5 mm (4.66 x 2.45 x 0.41 in)	-	130.1 x 65.5 x 6.9 mm (5.12 x 2.58 x 0.27 in)
Weight
122 g (4.3 oz)	-	110.3 g (3.88.0.11 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 900 / 2100	HSDPA	HSDPA 850 / 900 / 1900 / 2100
4G Network
-	-	LTE
Messaging
SMS, MMS, EMail, IM	SMS, MMS, EMail, IM	SMS, MMS, EMail, IM
Build Features
-	- Fingerprint sensor - IP67 certified - dust and water resistant - Water resistant up to 1 meter and 30 minutes	-

OS
Android OS, v2.3	Android OS, v4.4.4 (KitKat)	Android OS, v4.4.4 (KitKat)
Processor
Dual-core 800 MHz, NovaThor U8500	Quad-core 1.4 GHz,	Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU
Mali-400MP	-	Adreno 306
RAM
768 MB	1.5 GB	1 GB
Internal Memory
4 GB storage	16 GB	16 GB
External Memory
microSD, up to 32GB	microSD, up to 64 GB	No

Type
PLS TFT capacitive touchscreen	Super AMOLED capacitive touchscreen	Super AMOLED capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
3.8 inches	4.5 inches	4.5 inches
Resolution
480 x 800 pixels (246 ppi)	720 x 1280 pixels (326 ppi)	540 x 960 pixels (245 ppi)
Screen-to-Body Ratio
55.64%	-	65.39%
Multi-Touch

Rear Camera
5 MP, 2592x1944 pixels	8 MP, 3264 x 2448 pixels	8 MP, 3264 x 2448 pixels
Flash
LED flash	LED flash	LED flash
Features
Auto focus, Geo-tagging, Face And Smile Detection	Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama	Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama
Video
Yes, 720p@30fps	1080p@30fps	-
Front Camera
Yes, VGA	2.1 MP, 1080p@30fps	5 MP

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSDPA, 14.4 Mbps	HSDPA, 21 Mbps; HSUPA, 5.76 Mbps	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
Yes, v3.0 with A2DP	v4.0, A2DP, EDR, LE	v4.0, A2DP, EDR, LE
Wi-Fi
Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, Wi-Fi hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB
Yes, v2.0 microUSB	microUSB v2.0	microUSB v2.0
GPS
Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS
Browser
HTML	HTML5	HTML5