Phone Comparison - HTC One Dual Sim vs HTC One Max vs HTC Desire 820

general General Info

Manufacturer HTC HTC HTC
Announced June 2013 October 2013 September 2014
Status Available - August 2013 Available - October 2013 Coming Soon - September 2014
Colors Silver Silver Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang
Form Factor Candybar Candybar Candybar
Dimension 137.8 x 69.3 x 10.4 mm
(5.43 x 2.73 x 0.41 in)
164.5 x 82.5 x 10.29 mm
(6.48 x 3.25 x 0.41 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
Weight 156 g (5.5 oz) 217 g (7.65 oz) 155 g (5.47 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 1900 / 2100 HSDPA 900 / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100 - For Verizon
HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
4G Network - LTE 800 / 900 / 1800 / 2600
LTE 700 - For Verizon
LTE 900 / 1800 / 2100 / 2600 - EMEA version
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail
Build Features - Fingerprint Sensor -

hardware Hardware and OS

OS Android OS, v4.1.2 (Jelly Bean) with HTC Sense 5, upgradable to v4.2.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean) Android OS, v4.4.2 (KitKat)
Processor Quad-core 1.7 GHz Krait 300, Qualcomm APQ8064T Snapdragon 600 Quad-core 1.7 GHz Krait 300, Qualcomm APQ8064 Snapdragon 600 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 320 Adreno 320 Adreno 405
RAM 2 GB 2 GB 2 GB
Internal Memory 16/32 GB 16/32 GB 16 GB
External Memory microSD, up to 64 GB microSD, up to 64 GB microSD, up to 128 GB

display Display

Type IPS LCD Capacitive Touchscreen, Gorilla Glass 2 Capacitive touchscreen LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.68 inches 5.9 inches 5.5 inches
Resolution 1080 x 1920 pixels (471 ppi) 1080 x 1920 pixels (373 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 63.15% 70.85% 67.20%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 4 MP, 2688 x 1520 pixels 4 MP, 2688 x 1520 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash LED flash LED flash
Features Auto focus, 1/3' Sensor Size, 2�m Pixel Size, Simultaneous HD Video And Image Recording, Geo-tagging, Face And Smile Detection, Optical Image Stabilization HTC UltraPixel Camera, Auto focus, 1/3' Sensor Size, 2µm Pixel Size, Simultaneous HD Video And Image Recording, Geo-tagging, Face And Smile Detection, Optical Image Stabilization, HDR, Stereo Sound Recording Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR
Video Yes, 1080p@30fps, 720p@60fps, HDR, stereo sound rec., video stabilization Yes, 1080p@30fps, 720p@60fps, HDR, stereo sound rec., video stabilization 1080p@30fps, 720p@60fps
Front Camera Yes, 2.1 MP, 1080p@30fps, HDR [Similar] Yes, 2.1 MP, 1080p@30fps, HDR [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 HSPA+; LTE, Cat3, 50 Mbps UL, 100 Mbps DL 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/ac/b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/ac/b/g/n, Wi-Fi Direct, DLNA, 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 (MHL) microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/32 GB, 2 GB RAM 16/32 GB, 2 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 64 GB microSD, up to 128 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint 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 3300 mAh 2600 mAh
Stand by Up to 500 h (2G)
Up to 480 h (3G)
Up to 585 h (3G) Up to 424 h (3G)
Talk Time Up to 27 h (2G)
Up to 18 h (3G)
Up to 25 h (3G) Up to 22 h 24 min (3G)