Phone Comparison - Samsung Galaxy Alpha vs HTC Desire 510 vs HTC Desire 620 Dual SIM

general General Info

Manufacturer Samsung HTC HTC
Announced August 2014 August 2014 December 2014
Status Available - September 2014 Available - August 2014 Available - December 2014
Colors Black, white, gold, silver, blue Black, White Blue, Black, Gray, White
Form Factor Candybar Candybar Candybar
Dimension 132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
139.9 x 69.8 x 9.99 mm
(5.51 x 2.75 x 0.39 in)
150.1 x 72.7 x 9.6 mm
(5.91 x 2.86 x 0.38 in)
Weight 115 g (4.06 oz) 158 g (5.57 oz) 160 g (5.64 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE 800 / 1800 / 2600 LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.4.4 (KitKat) Android OS, v4.4.2 (KitKat) with HTC Sense 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-A7, Qualcomm Snapdragon 410 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU Mali-T628 MP6 Adreno 305 Adreno 306
RAM 2 GB 1 GB 1 GB
Internal Memory 32 GB 8 GB 8 GB
External Memory No microSD, up to 128 GB microSD, up to 128 GB

display Display

Type Super AMOLED capacitive touchscreen TFT Capacitive Touchscreen Capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 4.7 inches 5.0 inches
Resolution 720 x 1280 pixels (320 ppi) 480 x 854 pixels (208 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 66.95% 62.60% 63.04%
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 5 MP, 2592х1944 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, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama
Video 2160p@30fps Yes, 720p@30fps 1080p@30fps
Front Camera 2.1 MP [Similar] Yes, VGA [Similar] 5 MP [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 HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSPA, LTE
Bluetooth v4.0, A2DP, EDR, LE Yes, v4.0 with A2DP, LE v4.0, A2DP, apt-X
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, hotspot
USB microUSB v2.0 Yes, microUSB v2.0, USB Host microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32 GB, 2 GB RAM 8 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage No microSD, up to 128 GB microSD, up to 128 GB
USB OTG - Supported -

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 supported

battery Battery

Type Li-Ion Battery Li-Po Battery Li-Po Battery
Capacity 1860 mAh 2100 mAh 2100 mAh
Stand by - Up to 646 h (3G) -
Talk Time - Up to 17 h 10 min (3G) -