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HTC Desire 820

HTC Desire Eye

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - all versions
3G Network	HSDPA 850 / 900 / 1900 / 2100 - EMEA, Asia	HSDPA 850 / 900 / 1900 / 2100 - Asia
	HSDPA 850 / 900 / 2100 - Europe	HSDPA 850 / 1700 / 1900 / 2100 - AT&T
	TD-SCDMA - Asia	HSDPA 850 / 900 / 2100 - EMEA
		TD-SCDMA - Asia
4G Network	3, 7, 8, 20 - Europe	1, 3, 7, 8, 28, 38, 39, 40, 41 - Asia
	1, 3, 7, 8 - EMEA	2, 4, 5, 17, 29 - AT&T
	1, 3, 7, 8, 28, 38, 39, 40, 41 - Asia	3, 7, 8, 20 - EMEA
Speed	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps	HSPA 42.2/21.1(AT&T)/5.76 Mbps, LTE Cat4 150/50 Mbps

Launch
Announced	2014, September. Released 2014, November	2014, October. Released 2014, November
Status	Discontinued	Discontinued

Body
Dimensions	157.7 x 78.7 x 7.7 mm (6.21 x 3.10 x 0.30 in)	151.7 x 73.8 x 8.5 mm (5.97 x 2.91 x 0.33 in)
Weight	155 g (5.47 oz)	154 g (5.43 oz)
SIM	Nano-SIM	Nano-SIM
		IPX7 dust proof and water resistant up to 1 meter and 30 minutes

Display
Type	LCD	IPS LCD,
Size	5.5 inches, 83.4 cm2 (~67.2% screen-to-body ratio)	5.2 inches, 74.5 cm2 (~66.6% screen-to-body ratio)
Resolution	720 x 1280 pixels, 16:9 ratio (~267 ppi density)	1080 x 1920 pixels, 16:9 ratio (~424 ppi density)
Protection	Corning Gorilla Glass 3	Corning Gorilla Glass 3

Platform
OS	Android 4.4.2 (KitKat), upgradable to 6.1 (Marshmallow), Sense UI 7	Android 4.4.4 (KitKat), upgradable to 6.1 (Marshmallow), Sense UI 7
Chipset	Qualcomm MSM8939 Snapdragon 615 (28 nm)	Qualcomm Snapdragon 801 (28 nm)
CPU	Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)	Quad-core 2.3 GHz Krait 400
GPU	Adreno 405	Adreno 330

Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	16GB 2GB RAM	16GB 2GB RAM
	eMMC 4.5	eMMC 5.0

Main Camera
Modules	13 MP, f/2.2, 28mm (wide), AF	13 MP, f/2.0, 28mm (wide), AF
Features	LED flash, HDR	Dual-LED dual-tone flash, panorama, HDR
Video	1080p@30fps, 720p@60fps	1080p@30fps

Selfie Camera
Modules	8 MP, f/2.3	13 MP, f/2.2, 22mm (wide), AF
Features		Dual-LED dual-tone flash, HDR
Video	1080p@30fps

Sound
Loudspeaker	Yes, with stereo speakers	Yes, with stereo speakers
3.5mm jack	Yes	Yes

Comms
WLAN	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth	4.0, A2DP, aptX	4.0, A2DP, aptX
Positioning	GPS, GLONASS	GPS, GLONASS
NFC	Yes (optional)	Yes
Infrared port	No	No
Radio	FM radio	FM radio, RDS
USB	microUSB 2.0, OTG	microUSB 2.0

Features
Sensors	Accelerometer, proximity, compass	Accelerometer, gyro, proximity, compass

Battery
Type	Li-Po 2600 mAh, non-removable	Li-Po 2400 mAh, non-removable
Charging		18W wired, QC2
Stand-by	Up to 424 h (3G)	Up to 538 h (3G)
Talk time	Up to 22 h 24 min (3G)	Up to 20 h (3G)

Misc
Colors	Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tangerine White, Saffron Grey, Flamingo Grey, Blue Misty, Monarch Orange	Blue, Red, White
Models	0PFJ50	Desire EYE, M910x, Desire_EYE
Price	About 340 EUR	About 380 EUR

Tests
Performance	Basemark OS II 2.0: 728 Basemark X: 4859	Basemark X: 10249
Display	Contrast ratio: 1327 (nominal), 2.372(sunlight)	Contrast ratio: 1311 (nominal), 2.815 (sunlight)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	Voice 65dB / Noise 61dB / Ring 75dB	Voice 65dB / Noise 65dB / Ring 74dB
Audio quality	Noise -92.3dB / Crosstalk -72.2dB	Noise -95.6dB / Crosstalk -91.3dB
Battery life	Endurance rating 49h	Endurance rating 70h