Phone Comparison - HTC One vs HTC Desire 816 vs HTC Desire 820

general General Info

Manufacturer HTC HTC HTC
Announced February 2013 February 2014 September 2014
Status Released - March 2013 Available - March 2014 Coming Soon - September 2014
Colors Black, White Red, Grey, Green, Cyan, White, Black Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang
Form Factor Candybar Candybar Candybar
Dimension 137.4 x 68.2 x 9.3 mm
(5.41 x 2.69 x 0.37 in)
156.6 x 78.7 x 8 mm
(6.17 x 3.1 x 0.31 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
Weight 143 g (5.04 oz) 165 g (5.82 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 / 2100
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
4G Network LTE (market dependent) LTE 800 / 900 / 1800 / 2600 - EMEA
LTE 900 / 1800 / 2100 / 2600 - Asia
LTE 900 / 1800 / 2100 / 2600 - EMEA version
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.1.2 (Jelly Bean), upgradable to v4.2.2 (Jelly Bean) Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat)
Processor Quad-core 1.7 GHz Krait, Qualcomm APQ8064 Snapdragon Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 320 Adreno 305 Adreno 405
RAM 2 GB 1.5 GB 2 GB
Internal Memory 32/64 GB 8 GB ROM 16 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 128 GB

display Display

Type Super LCD3 capacitive touchscreen Capacitive Touchscreen LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 5.5 inches 5.5 inches
Resolution 1080 x 1920 pixels (469 ppi) 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 64.90% 67.67% 67.20%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 4 MP UltraPixels, 2688 x 1520 pixels 13 MP, 4160 x 3120 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash LED flash LED flash
Features Auto focus, 1/3' sensor size, simultaneous HD video and image recording, geo-tagging, face and smile detection, OIS Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR
Video Yes, 1080p@30fps, stereo sound recording, video stabilization Yes, 720p 1080p@30fps, 720p@60fps
Front Camera Yes, 2.1 MP, 1080p@30fps, HDR [Similar] Yes, 5 MP, 720p [Similar] 8 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, HSUPA; LTE HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi Direct, 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 (MHL) Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32 GB, 2 GB RAM 8 GB ROM, 1.5 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 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 supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 2300 mAh 2600 mAh 2600 mAh
Stand by - - Up to 424 h (3G)
Talk Time - - Up to 22 h 24 min (3G)