HTC Desire 820 Dual SIM vs HTC Desire 820s Dual SIM vs HTC Desire D820Q Dual SIM

BASIC INFO
Model No - - -
Status Available. Released 2014, November Available. Released 2015, March Available. Released 2014, October
Release Date 2014, September 2015, March 2014, October
Dimension 157.7 x 78.7 x 7.7 mm (6.21 x 3.10 x 0.30 in) 157.7 x 78.7 x 7.7 mm (6.21 x 3.10 x 0.30 in) 157.7 x 78.7 x 7.7 mm (6.21 x 3.10 x 0.30 in)
Weight 155 g (5.47 oz) 155 g (5.47 oz) 155 g (5.47 oz)
Colors Black, white, Blue, purple, Green Marble White, Milkyway Gray, Monarch Orange, Santorini White, Tuxedo Gray Black, White, Red, Gray, Green
Body Metrial - - -
W & D Proof - - -
SIM Type Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) -
Technology GSM / HSPA / LTE GSM / HSPA / LTE -
OS Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat)
PROSESSING
Processor Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53 Octa-core 1.7 GHz Cortex-A53 Qualcomm MSM8916 Snapdragon 410 Quad core 1.2 GHz Cortex A53
Chipset Qualcomm MSM8939 Snapdragon 615 Mediatek MT6752 -
GPU Adreno 405 Mali-T760MP2 -
MEMORY
RAM 2GB 2GB -
Storage 16GB 16GB -
Card Slot up to 128 GB (dedicated slot) up to 32 GB (dedicated slot) 16 GB, 1 GB RAM, microSD, up to 128 GB
DISPLAY
Size 5.5 inches 5.5 inches 720 x 1280 pixels, 5.5 inches (~267 ppi pixel density)
Type Super LCD3 capacitive touchscreen, 16M colors Super LCD3 capacitive touchscreen, 16M colors TFT capacitive touchscreen, 16M colors
Resolation 720 x 1280 pixels 720 x 1280 pixels -
PPI 267 ppi pixel density 267 ppi pixel density -
Multi touch Yes Yes, HTC Sense UI 6.0 -
Protection Corning Gorilla Glass 3, HTC Sense UI 6.0 - -
CAMERA
Primary 13 MP 4160 x 3120 pixels, Autofocus 13 MP 4160 x 3120 pixels, Autofocus 13 MP, 4164 x 3096 pixels, autofocus, LED flash
Video 1080p@30fps, optical stabilization, stereo sound rec. 1080p@30fps, optical stabilization, stereo sound rec. 1080p@30fps, HDR, stereo sound
Flash Led flash Led flash -
Features Geo-tagging, touch focus, face detection, HDR Geo-tagging, touch focus, face detection, HDR, panorama -
Selfie Yes, 8 MP Yes, 8 MP Yes, 8 MP, 720p@30fps, HDR
BATTERY
Battery Li-Po Li-Po Li-Po 2600 mAh removeable battery
Capacity 2600 mAh 2600 mAh -
Removable Non-removable Non-removable -
StandBy Up to 424 h (3G) mAh battery Stand-by -
Talk Time Up to 22 h 40 min (3G) Up to 12 h 10 min (3G) -
Music Play - - -
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 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 - EMEA, Asia
HSDPA 850 / 900 / 2100 - India
TD-SCDMA
HSDPA 850 / 900 / 1900 / 2100
TD-SCDMA
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) - Asia, India LTE band 1(2100), 3(1800), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2600
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 a/ac/b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot
BlueTooth v4.0, A2DP, apt-X v4.0, A2DP Yes, v4.0 with A2DP
USB microUSB v2.0, USB Host microUSB v2.0 Yes, microUSB v2.0 (MHL)
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS support and GLONASS
NFC Yes No -
Audio jeck Yes, 3.5mm Yes, 3.5mm -
OTHERS
Sensors Accelerometer, proximity, compass Accelerometer, proximity, compass -
Radio TBD TBD TBD
SARUS - - -
SAREU 0.14 W/kg (head) - -
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