Samsung I9100 Galaxy S II vs Samsung I9502 Galaxy S4 Duos vs Samsung Galaxy S5 mini Duos

General Info

Manufacturer
Samsung	Samsung	Samsung
Announced
February 2011	March 2013	August 2014
Status
Available - April 2011	Available - April 2013	Available - August 2014
Colors
Black, White, Pink	White Frost, Black Mist	Charcoal Black, Shimmery White
Form Factor
Candybar	Candybar	Candybar
Dimension
125.3 x 66.1 x 8.5 mm (4.93 x 2.6 x 0.33 in)	136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in)	-
Weight
116 g (4.09 oz)	132 g (4.66 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 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA
Messaging
SMS, MMS, 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 (Gingerbread), planned upgrade to v4.0	Android OS, v4.2.2 (Jelly Bean)	Android OS, v4.4.4 (KitKat)
Processor
Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset	Quad-core 1.6 GHz Cortex-A15 & quad-core 1.2 GHz Cortex-A7, Exynos 5 Octa 5410	Quad-core 1.4 GHz,
GPU
Mali-400MP	PowerVR SGX 544MP3	-
RAM
1 GB	2 GB	1.5 GB
Internal Memory
16 GB/32 GB storage	16/32/64 GB storage	16 GB
External Memory
microSD, up to 32GB, 8 GB included	microSD, up to 64 GB	microSD, up to 64 GB

Type
Super AMOLED Plus capacitive touchscreen	Super AMOLED capacitive touchscreen	Super AMOLED capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
4.3 inches	5.0 inches	4.5 inches
Resolution
480 x 800 pixels (217 ppi)	1080 x 1920 pixels (441 ppi)	720 x 1280 pixels (326 ppi)
Screen-to-Body Ratio
63.52%	72.15%	-
Multi-Touch

Rear Camera
8 MP, 3264x2448 pixels	13 MP, 4128 x 3096 pixels	8 MP, 3264 x 2448 pixels
Flash
LED flash	LED flash	LED flash
Features
Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization	Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR	Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video
Yes, 1080p@30fps	Yes, 1080p@30fps, dual-video rec.	1080p@30fps
Front Camera
Yes, 2 MP	Yes, 2 MP,1080p@30fps, dual video call	2.1 MP, 1080p@30fps

GPRS
Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps	Yes	Yes
Edge
Class 12	Yes	Yes
3G
HSDPA, 21 Mbps; HSUPA, 5.76 Mbps	HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps	HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth
Yes, v3.0+HS	Yes, v4.0 with A2DP, EDR, LE	v4.0, A2DP, EDR, LE
Wi-Fi
Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, Wi-Fi hotspot
USB
Yes, v2.0 microUSB (MHL), USB On-the-go	Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host	microUSB v2.0
GPS
Yes, with A-GPS support	Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS
Browser
HTML	HTML5, Adobe Flash	HTML5