Phone Comparison - HTC Desire 620 Dual SIM vs HTC Desire 820q Dual SIM vs HTC A12

general General Info

Manufacturer HTC HTC HTC
Announced December 2014 October 2014 Expected Announcement - Q1 2015
Status Available - December 2014 Available - October 2014 Rumored - Q1 2015
Price - Rs. 30,500 ($448.53) [Similarly Priced] -
Colors Blue, Black, Gray, White Santorini White, Tuxedo Gray, Milky-way Gray -
Form Factor Candybar Candybar Candybar
Dimension 150.1 x 72.7 x 9.6 mm
(5.91 x 2.86 x 0.38 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
139.8 x 69.5 x 9.5 mm
(5.5 x 2.74 x 0.37 in)
Weight 160 g (5.64 oz) 155 g (5.47 oz) -
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2600 LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600
(Bands 1, 3, 7, 8, 38, 39, 40, 41)
LTE
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.4.4 (KitKat) Android OS, v4.4.2 (KitKat) Android OS, v4.4.4 (KitKat)
Processor Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU Adreno 306 Adreno 306 Adreno 306
RAM 1 GB 1 GB 1 GB
Internal Memory 8 GB 16 GB 8 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB microSD, up to 128 GB

display Display

Type Capacitive touchscreen TFT Capacitive Touchscreen, Corning Gorilla Glass 3 Capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.5 inches 4.7 inches
Resolution 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 63.04% 67.20% 62.86%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 13 MP, 4160 x 3120 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama 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 1080p@30fps 1080p@30fps, 720p@60fps 1080p@30fps
Front Camera 5 MP [Similar] 8 MP, 1080p [Similar] 1.3 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE HSPA 42.2/5.76 Mbps, LTE HSPA, LTE
Bluetooth v4.0, A2DP, apt-X v4.0, A2DP, apt-X v4.0, A2DP, apt-X
Wi-Fi Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot 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 8 GB, 1 GB RAM 16 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 128 GB microSD, up to 128 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-Po Battery Non-removable Li-Po Battery Li-Po Battery
Capacity 2100 mAh 2600 mAh 2100 mAh
Stand by - - -
Talk Time - - -