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HTC Desire 820
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HTC One (M8)
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HTC One (M8) MORE PICTURES
 

HTC Desire 820

HTC One (M8)
Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 - EMEA, Asia HSDPA 850 / 900 / 1900 / 2100
  HSDPA 850 / 900 / 2100 - Europe
  TD-SCDMA - Asia
4G Network 3, 7, 8, 20 - Europe 3, 7, 8, 20
  1, 3, 7, 8 - EMEA
  1, 3, 7, 8, 28, 38, 39, 40, 41 - Asia
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, March 25. Released 2014, March 27
Status Discontinued Discontinued
Body
Dimensions 157.7 x 78.7 x 7.7 mm (6.21 x 3.10 x 0.30 in) 146.4 x 70.6 x 9.4 mm (5.76 x 2.78 x 0.37 in)
Weight 155 g (5.47 oz) 160 g (5.64 oz)
Build Glass front (Gorilla Glass 3), aluminum back, aluminum frame
SIM Nano-SIM Nano-SIM
Display
Type LCD Super LCD3
Size 5.5 inches, 83.4 cm2 (~67.2% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~66.7% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~267 ppi density) 1080 x 1920 pixels, 16:9 ratio (~441 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 4.4.2 (KitKat), upgradable to 6.0 (Marshmallow), Sense UI 6
Chipset Qualcomm MSM8939 Snapdragon 615 (28 nm) Qualcomm MSM8974AB Snapdragon 801 (28 nm)
CPU Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) Quad-core 2.3 GHz (US/EMEA)/ 2.5 GHz (Asia, China) Krait 400
GPU Adreno 405 Adreno 330
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 16GB 2GB RAM 16GB 2GB RAM, 32GB 2GB RAM
 eMMC 4.5 eMMC 5.0
Main Camera
Modules 13 MP, f/2.2, 28mm (wide), AF 4 MP, f/2.0, 27mm (wide), 1/3.0", 2µm, AF
4 MP, (depth)
Features LED flash, HDR HDR, panorama, dual-LED dual-tone flash
Video 1080p@30fps, 720p@60fps 1080p@60fps, 720p@120fps, HDR, stereo sound rec.
Selfie Camera
Modules 8 MP, f/2.3 5 MP, f/2.0
Features HDR
Video 1080p@30fps 1080p@30fps
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Sound
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
3.5mm jack Yes Yes
  24-bit/192kHz audio
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/ac, 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 (market/operator dependent)
Infrared port No Yes
Radio FM radio Stereo FM radio, RDS
USB microUSB 2.0, OTG microUSB 2.0 (MHL TV-out), OTG
Features
Sensors Accelerometer, proximity, compass Accelerometer, gyro, proximity, compass, barometer
Battery
Type Li-Po 2600 mAh, non-removable Li-Po 2600 mAh, non-removable
Charging 18W wired, QC2
Stand-by Up to 424 h (3G) Up to 271 h (2G) / Up to 496 h (3G)
Talk time Up to 22 h 24 min (3G) Up to 14 h (2G) / 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 Gunmetal Gray, Glacial Silver, Amber Gold
SAR EU 0.42 W/kg (head)     0.22 W/kg (body)    
Models 0PFJ50 One_M8, M8x, 831C
Price About 340 EUR About 250 EUR
Tests
Performance Basemark OS II 2.0: 728
Basemark X: 4859		 Basemark OS II 2.0: 1186
Basemark X: 12257
Display Contrast ratio: 1327 (nominal), 2.372(sunlight) Contrast ratio: 1256 (nominal), 2.371 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 65dB / Noise 61dB / Ring 75dB Voice 65dB / Noise 64dB / Ring 75dB
Audio quality Noise -92.3dB / Crosstalk -72.2dB Noise -95.4dB / Crosstalk -93.2dB
Battery (old) Endurance rating 49h Endurance rating 77h

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