Phone Comparison - HTC One X vs HTC Desire 510 vs HTC Desire 820

general General Info

Manufacturer HTC HTC HTC
Announced February 2012 August 2014 September 2014
Status Available from April 2012 Available - August 2014 Coming Soon - September 2014
Colors Black Black, White Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang
Form Factor Candybar Candybar Candybar
Dimension 134.4 x 69.9 x 9.3 mm
(5.29 x 2.75 x 0.37 in)
139.9 x 69.8 x 9.99 mm
(5.51 x 2.75 x 0.39 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
Weight 130 g (4.59 oz) 158 g (5.57 oz) 155 g (5.47 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
4G Network - LTE 800 / 1800 / 2600 LTE 900 / 1800 / 2100 / 2600 - EMEA version
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.4.2 (KitKat) with HTC Sense Android OS, v4.4.2 (KitKat)
Processor Quad-core 1.5 GHz, Nvidia Tegra 3 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 410 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU ULP GeForce Adreno 305 Adreno 405
RAM 1 GB 1 GB 2 GB
Internal Memory 32 GB storage 8 GB 16 GB
External Memory No microSD, up to 128 GB microSD, up to 128 GB

display Display

Type Capacitive touchscreen TFT Capacitive Touchscreen LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 4.7 inches 5.5 inches
Resolution 720 x 1280 pixels (312 ppi) 480 x 854 pixels (208 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 65.02% 62.60% 67.20%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 5 MP, 2592х1944 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR
Video Yes, 1080p Yes, 720p@30fps 1080p@30fps, 720p@60fps
Front Camera Yes [Similar] Yes, VGA [Similar] 8 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, v3.0 with A2DP, EDR Yes, v4.0 with A2DP, LE v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0, USB Host microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS
Browser HTML, Adobe Flash HTML5 HTML5

memory User Memory

Internal 32GB storage, 1 GB RAM 8 GB, 1 GB RAM 16 GB, 2 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 not supported NFC not supported NFC not supported

battery Battery

Type Non-removable, Li-Po Battery Li-Po Battery Non-removable Li-Po Battery
Capacity 1800 mAh 2100 mAh 2600 mAh
Stand by - Up to 646 h (3G) Up to 424 h (3G)
Talk Time - Up to 17 h 10 min (3G) Up to 22 h 24 min (3G)