Samsung Galaxy S5 vs Samsung Galaxy A3 Duos vs Samsung Galaxy A8

General Info

Manufacturer
Samsung	Samsung	Samsung
Announced
February 2014	October 2014	July 2015
Status
Available April 2014	Available - November 2014	Available - August 2015
Price
-	Rs. 14,265 ($209.78) [Similarly Priced]	Rs. 26,990 ($396.91) [Similarly Priced]
Colors
Black, White, Blue, Gold	Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B	Pearl White, Midnight Black, Champagne Gold
Form Factor
Candybar	Candybar	Candybar
Dimension
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)	158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in)
Weight
145 g (5.11 oz)	110.3 g (3.88.0.11 oz)	151 g (5.33 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 (optional)
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE 800 / 850 / 900 / 1800 / 2100 / 2600	LTE	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 Heart Rate Sensor	-	- Fingerprint sensor

OS
Android OS, v4.4.2 (KitKat)	Android OS, v4.4.4 (KitKat)	Android OS, v5.1 (Lollipop)
Processor
Quad-core 2.5 GHz Krait 400, Qualcomm Snapdragon 801	Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410	Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU
Adreno 330	Adreno 306	Adreno 405
RAM
2 GB	1 GB	2 GB
Internal Memory
16/32 GB storage	16 GB	16/32 GB
External Memory
microSD, up to 128 GB	No	microSD, up to 128 GB (uses SIM 2 slot)

Type
Super AMOLED capacitive touchscreen	Super AMOLED capacitive touchscreen	Super AMOLED capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
5.1 inches	4.5 inches	5.7 inches
Resolution
1080 x 1920 pixels (432 ppi)	540 x 960 pixels (245 ppi)	1080 x 1920 pixels (386 ppi)
Screen-to-Body Ratio
69.63%	65.39%	73.99%
Multi-Touch

Rear Camera
16 MP, 4640 x 3480 pixels	8 MP, 3264 x 2448 pixels	16 MP, 5312 x 2988 pixels
Flash
LED flash	LED flash	LED flash
Features
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, Panorama	Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video
Yes, 2160p@30fps, 1080p@60fps, video stabilization, dual-video rec.	-	1080p@30fps
Front Camera
Yes, 2.1 MP,1080p@30fps, dual video call	5 MP	5 MP, 1080p

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Bluetooth
Yes, v4.0 with A2DP, EDR, LE	v4.0, A2DP, EDR, LE	v4.1, A2DP, EDR, LE
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot
USB
Yes, microUSB v3.0 (MHL 2), USB On-the-go, USB Host	microUSB v2.0	microUSB v2.0
GPS
Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS/ Beidou (market dependant)
Browser
HTML5	HTML5	HTML5