Samsung I9500 Galaxy S4 vs HTC Desire 820 vs Samsung Galaxy A7

General Info

Manufacturer
Samsung	HTC	Samsung
Announced
March 2013	September 2014	Expected Announcement - December 2014
Status
Available - April 2013	Coming Soon - September 2014	Rumored - January 2015
Price
-	-	Rs. 19,499 ($286.75) [Similarly Priced]
Colors
White Frost, Black Mist	Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang	Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B
Form Factor
Candybar	Candybar	Candybar
Dimension
136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in)	157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in)	150.9 x 75.9 x 6.3 mm (5.94 x 2.99 x 0.25 in)
Weight
130 g (4.59 oz)	155 g (5.47 oz)	133 g (4.69 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - SM-A700*/DS
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100 - EMEA version HSDPA 900 / 2100 - Asia version	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE (Dependent on Country)	LTE 900 / 1800 / 2100 / 2600 - EMEA version	LTE
Messaging
SMS, MMS, EMail, IM	SMS, MMS, Push Mail, EMail	SMS, MMS, EMail, IM

OS
Android OS, v4.2.2 (Jelly Bean)	Android OS, v4.4.2 (KitKat)	Android OS, v4.4.4 (KitKat)
Processor
Quad-core 1.6 GHz Cortex-A15 & quad-core 1.2 GHz Cortex-A7, Exynos 5 Octa 5410	Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615	Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU
PowerVR SGX 544MP3	Adreno 405	Adreno 405
RAM
2 GB	2 GB	2 GB
Internal Memory
16/32/64 GB storage	16 GB	16 GB
External Memory
microSD, up to 64 GB	microSD, up to 128 GB	microSD, up to 64 GB

Type
Super AMOLED capacitive touchscreen	LCD Capacitive Touchscreen	Super AMOLED capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
5.0 inches	5.5 inches	5.5 inches
Resolution
1080 x 1920 pixels (441 ppi)	720 x 1280 pixels (267 ppi)	1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio
72.15%	67.20%	72.64%
Multi-Touch

Rear Camera
13 MP, 4128 x 3096 pixels	13 MP, 4160 x 3120 pixels	12 MP, 4608 x 2592 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, Simultaneous HD Video And Image Recording, HDR	Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama
Video
Yes, 1080p@30fps, dual-video rec.	1080p@30fps, 720p@60fps	1080p@30fps
Front Camera
Yes, 2 MP,1080p@30fps, dual video call	8 MP, 1080p	5 MP

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps	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
Yes, v4.0 with A2DP, EDR, LE	v4.0, A2DP	v4.0, 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 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB
Yes, microUSB v2.0 (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
Browser
HTML5, Adobe Flash	HTML5	HTML5