Phone Comparison - HTC Desire 820 vs HTC One M8 Eye vs HTC Desire 620 Dual SIM

general General Info

Manufacturer HTC HTC HTC
Announced September 2014 October 2014 December 2014
Status Coming Soon - September 2014 Available - November 2014 Available - December 2014
Price - Rs. 18,999 ($279.40) [Similarly Priced] -
Colors Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang Gunmetal Gray, Glacial Silver, Amber Gold Blue, Black, Gray, White
Form Factor Candybar Candybar Candybar
Dimension 157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
146.4 x 70.6 x 9.4 mm
(5.76 x 2.78 x 0.37 in)
150.1 x 72.7 x 9.6 mm
(5.91 x 2.86 x 0.38 in)
Weight 155 g (5.47 oz) 157 g (5.54 oz) 160 g (5.64 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - All Versions GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
HSDPA 850 / 900 / 1900 / 2100 - Asia
HSDPA 850 / 1700 / 1900 / 2100 - AT&T
HSDPA 850 / 900 / 2100 - EMEA
TD-SCDMA 1900 / 2100 - Asia
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 900 / 1800 / 2100 / 2600 - EMEA version LTE 700 / 900 / 1800 / 2100 / 2600 (Bands 1, 3, 7, 8, 28)
TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 38, 39, 40, 41)
LTE 700 / 850 / 1700 / 1900 / 2100 (Bands 2, 4, 5, 17, 29) - AT&T
LTE 800 / 900 / 1800 / 2600 (Bands 3, 7, 8, 20) - EMEA
LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2600
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail
Build Features - IPX7 certified - Dust Proof and Water Resistant up to 1 Meter and 30 Minutes -

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Android OS, v4.4.4 (KitKat) Android OS, v4.4.4 (KitKat)
Processor Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 - Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU Adreno 405 - Adreno 306
RAM 2 GB 2 GB 1 GB
Internal Memory 16 GB 16/32 GB 8 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB microSD, up to 128 GB

display Display

Type LCD Capacitive Touchscreen Super LCD3 Capacitive Touchscreen, Corning Gorilla Glass 3 Capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.0 inches 5.0 inches
Resolution 720 x 1280 pixels (267 ppi) 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 67.20% 66.55% 63.04%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4160 x 3120 pixels Dual 13 MP, 4128 x 3096 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash Dual-LED (dual tone) LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR Auto focus, Automatic simultaneous video and image recording, geo-tagging, face/smile detection, HDR, panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama
Video 1080p@30fps, 720p@60fps 1080p@60fps, 720p@120fps, HDR, stereo sound rec. 1080p@30fps
Front Camera 8 MP, 1080p [Similar] 5 MP, 1080p@30fps, HDR [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSDPA, 42 Mbps (21 Mbps - AT&T), HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA, LTE
Bluetooth v4.0, A2DP v4.0, A2DP v4.0, A2DP, apt-X
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, hotspot
USB microUSB v2.0 microUSB v2.0 (MHL), USB On-the-go, USB Host 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 16 GB, 2 GB RAM 16/32 GB, 2 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 128 GB 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 supported NFC supported

battery Battery

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