Samsung I9100 Galaxy S II vs Samsung Galaxy S5 Neo vs Samsung Galaxy A3

General Info

Manufacturer
Samsung	Samsung	Samsung
Announced
February 2011	August 2015	October 2014
Status
Available - April 2011	Available - August 2015	Available - November 2014
Price
-	-	Rs. 14,265 ($209.78) [Similarly Priced]
Colors
Black, White, Pink	Black, White	Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B
Form Factor
Candybar	Candybar	Candybar
Dimension
125.3 x 66.1 x 8.5 mm (4.93 x 2.6 x 0.33 in)	142 x 72.5 x 8.1 mm (5.59 x 2.85 x 0.32 in)	130.1 x 65.5 x 6.9 mm ( 5.12 x 2.58 x 0.27 in)
Weight
116 g (4.09 oz)	145 g (5.11 oz)	110.3 g (3.88.0.11 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - all versions	GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100	HSDPA 850 / 1900 / 2100
4G Network
-	LTE 800 / 850 / 900 / 1800 / 1900 / 2100 / 2600	LTE
Messaging
SMS, MMS, IM	SMS, MMS, EMail, IM	SMS, MMS, Push Mail, EMail, IM

OS
Android OS, v2.3 (Gingerbread), planned upgrade to v4.0	Android OS, v5.1.1 (Lollipop)	Android OS, v4.4.2 (KitKat)
Processor
Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset	Octa-core 1.6 GHz Cortex-A53, Exynos 7580 Octa	Quad-core 1.2 GHz,
GPU
Mali-400MP	Mali-T720MP2	-
RAM
1 GB	2 GB	1 GB
Internal Memory
16 GB/32 GB storage	16 GB	16 GB
External Memory
microSD, up to 32GB, 8 GB included	microSD, up to 128 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	5.1 inches	4.5 inches
Resolution
480 x 800 pixels (217 ppi)	1080 x 1920 pixels (432 ppi)	540 x 960 pixels (245 ppi)
Screen-to-Body Ratio
63.52%	69.63%	65.39%
Multi-Touch

Rear Camera
8 MP, 3264x2448 pixels	16 MP, f/1.9	8 MP, 3264x2448 pixels
Flash
LED flash	LED flash	LED flash
Features
Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization	Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR	Auto focus, Geo-tagging, Face Detection, Panorama, HDR, Wide Selfie, Rear-cam Selfie
Video
Yes, 1080p@30fps	1080p@30fps	1080p@30fps
Front Camera
Yes, 2 MP	2 MP, 1080p@30fps	5 MP

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; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth
Yes, v3.0+HS	v4.0, A2DP, EDR, LE	v4.0, BLE, ANT+
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, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot
USB
Yes, v2.0 microUSB (MHL), USB On-the-go	microUSB v2.0	microUSB v2.0
GPS
Yes, with A-GPS support	Yes, with A-GPS, GLONASS, Beidou	Yes, with A-GPS, GLONASS
Browser
HTML	HTML5	HTML5