Htc Desire 816 vs Htc One M8 Eye

Key Specs

Battery
Battery	2600 mAh	2600 mAh
Display
Display	5.5 inches (13.97 cm)	5.0 inches (12.7 cm)
Front Camera
Front Camera	5 MP	5 MP
Processor
Processor	Qualcomm Snapdragon 400 MSM8228	Qualcomm Snapdragon 801 MSM8974AB
RAM
RAM	1.5 GB	2 GB
Rear Camera
Rear Camera	13 MP	13 MP

Battery

Capacity
Capacity	2600 mAh	2600 mAh
Removable
Removable	No	No
Standby time
Standby Time	Up to 614 Hours(3G)	Up to 310 Hours(3G)
TalkTime
TalkTime	Up to 21 Hours(3G)	Up to 24 Hours(3G)
Type
Type	Li-Polymer	Li-Polymer
USB Type-C
USB Type-C	No	No

Design

Colours
Colours	Grey, Orange, White	Gold, Grey, Silver
Height
Height	156.6 mm	146.3 mm
Thickness
Thickness	8 mm	9.3 mm
Weight
Weight	165 grams	160 grams
Width
Width	78.7 mm	70.6 mm

Display

Display Type
Display Type	S-LCD 2	S-LCD 3
Pixel Density
Pixel Density	267 ppi	441 ppi
Resolution
Resolution	720x1280 px (HD)	1080x1920 px (FULL HD)
Screen Protection
Screen Protection	Yes	-
Screen Size
Screen Size	5.5 inches (13.97 cm)	5.0 inches (12.7 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	67.51 %	66.57 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Resolution
Resolution	5 MP, Primary Camera	5 MP, Primary Camera
Sensor
Sensor	BSI Sensor	BSI Sensor
Video Recording
Video Recording	1920x1080 @ 30 fps	1920x1080 @ 30 fps

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General

Brand
Brand	HTC	HTC
Custom UI
Custom UI	HTC Sense	HTC Sense
Launch Date
Launch Date	April 21, 2014 (Official)	November 10, 2014 (Official)
Operating System
Operating System	Android v4.4.2 (Kitkat)	Android v4.4.4 (Kitkat)

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	Digital Zoom Auto Flash Simultaneous HD video and image recording Touch to focus	Digital Zoom Face detection Simultaneous HD video and image recording Smile detection
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, LED Flash	Yes, Dual LED Flash
Image Resolution
Image Resolution	4160 x 3120 Pixels	4128 x 3096 Pixels
Resolution
Resolution	13 MP f/2.2, Primary Camera(28 mm focal length)	13 MP f/2.0, Primary Camera(28 mm focal length)
Sensor
Sensor	Back-illuminated sensor (BSI)	Back-illuminated sensor (BSI)
Settings
Settings	Exposure compensation, ISO control	-
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR)	High Dynamic Range mode (HDR)
Video Recording
Video Recording	1920x1080 @ 30 fps 1280x720 @ 60 fps	1920x1080 @ 60 fps 1280x720 @ 120 fps
Video Recording Features
Video Recording Features	-	Video HDR Stereo recording

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	-
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.0	Yes, v4.0
GPS
GPS	Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
SIM 1	3G Bands: UMTS 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 14.4 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 700(band 17) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4) 3G Speed: HSDPA 42 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	-
SIM Size
SIM Size	SIM1: Nano	SIM1: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Single SIM, GSM
USB Connectivity
USB Connectivity	microUSB 2.0	microUSB 2.0
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 a/b/g/n) 5GHz
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Wi-Fi Direct, Mobile Hotspot

Performance

CPU
CPU	Quad core, 1.6 GHz, Cortex A7	Quad core, 2.3 GHz, Krait 400
Chipset
Chipset	Qualcomm Snapdragon 400 MSM8228	Qualcomm Snapdragon 801 MSM8974AB
Graphics
Graphics	Adreno 305	Adreno 330

Sensors

Fingerprint Sensor
Fingerprint Sensor	No	No
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer, Compass	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
Expandable Memory	Yes, Up to 128 GB	Yes, Up to 128 GB
Internal Memory
Internal Memory	8 GB	16 GB
USB OTG
USB OTG	Yes	-