Phone Comparison - Samsung Galaxy Alpha vs Samsung Galaxy E7 vs HTC Desire 820s dual sim

general General Info

Manufacturer Samsung Samsung HTC
Announced August 2014 January 2015 March 2015
Status Available - September 2014 Available - Feburary 2015 Available - March 2015
Price - Rs. 17,400 ($255.88) [Similarly Priced] Rs. 27,900 ($410.29) [Similarly Priced]
Colors Black, white, gold, silver, blue Black, White, Blue Marble White, Milkyway Gray, Monarch Orange, Santorini White, Tu
Form Factor Candybar Candybar Candybar
Dimension 132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
151.4 x 77.2 x 7.3 mm
(5.96 x 3.04 x 0.29 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
Weight 115 g (4.06 oz) 141 g (4.97 oz) 155 g (5.47 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
TD-SCDMA 1900 / 2000
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE - LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600
(Bands 1, 3, 7, 8, 38, 39, 40, 41)
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.4.4 (KitKat) Android OS, v4.4.4 (KitKat) Android OS, v4.4.4 (KitKat)
Processor Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Octa-core 1.7 GHz Cortex-A53, Mediatek MT6752
GPU Mali-T628 MP6 Adreno 306 Mali-T760MP2
RAM 2 GB 2 GB 2 GB
Internal Memory 32 GB 16 GB 16 GB
External Memory No microSD, up to 128 GB microSD, up to 32 GB

display Display

Type Super AMOLED capacitive touchscreen Super AMOLED capacitive touchscreen Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 5.5 inches 5.5 inches
Resolution 720 x 1280 pixels (320 ppi) 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 66.95% 71.36% 67.20%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No - FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 12 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video 2160p@30fps 1080p@30fps 1080p@30fps
Front Camera 2.1 MP [Similar] 5 MP [Similar] 8 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL HSPA 42.2/5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP, EDR, LE v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Yes Wi-Fi 802.11 b/g/n, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32 GB, 2 GB RAM 16 GB, 2 GB RAM 16 GB, 2 GB RAM
Expandable Storage No microSD, up to 128 GB microSD, up to 32 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Non-removable Li-Ion Battery Non-removable Li-Po Battery
Capacity 1860 mAh 2950 mAh 2600 mAh
Stand by - - Up to 560 h (3G)
Talk Time - Up to 19 h (3G) Up to 12 h 10 min (3G)