Phone Comparison - HTC Desire 816 vs HTC Desire 820 vs HTC One M8 Eye

general General Info

Manufacturer HTC HTC HTC
Announced February 2014 September 2014 October 2014
Status Available - March 2014 Coming Soon - September 2014 Available - November 2014
Price - - Rs. 18,999 ($279.40) [Similarly Priced]
Colors Red, Grey, Green, Cyan, White, Black Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang Gunmetal Gray, Glacial Silver, Amber Gold
Form Factor Candybar Candybar Candybar
Dimension 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)
146.4 x 70.6 x 9.4 mm
(5.76 x 2.78 x 0.37 in)
Weight 165 g (5.82 oz) 155 g (5.47 oz) 157 g (5.54 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - All Versions
3G Network HSDPA 850 / 900 / 2100 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
4G Network LTE 800 / 900 / 1800 / 2600 - EMEA
LTE 900 / 1800 / 2100 / 2600 - Asia
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
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, v4.4.2 (KitKat) Android OS, v4.4.4 (KitKat)
Processor 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 305 Adreno 405 -
RAM 1.5 GB 2 GB 2 GB
Internal Memory 8 GB ROM 16 GB 16/32 GB
External Memory microSD, up to 64 GB microSD, up to 128 GB microSD, up to 128 GB

display Display

Type Capacitive Touchscreen LCD Capacitive Touchscreen Super LCD3 Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.5 inches 5.0 inches
Resolution 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (267 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 67.67% 67.20% 66.55%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

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

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, HSUPA; LTE 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
Bluetooth Yes, v4.0 with A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi 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 Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0 (MHL), USB On-the-go, USB Host
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

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

battery Battery

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