| HTC HD2 |
HTC Desire 820 |
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| Hardware and OS | HTC HD2 | HTC Desire 820 |
|---|---|---|
| Operating system | Microsoft Windows Mobile 6.5 Professional; Sense UI | Android 4.4.2 (KitKat), upgradable to 6.1 (Marshmallow); Sense UI 7 |
| Processor | 1.0 GHz Scorpion | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) |
| Chipset | Qualcomm QSD8250 Snapdragon S1 | Qualcomm MSM8939 Snapdragon 615 (28 nm) |
| GPU | Adreno 200 | Adreno 405 |
| Internal memory | 448 MB RAM, 512 MB ROM | 16 GB, 2 GB RAM |
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
| Display | HTC HD2 | HTC Desire 820 |
| Type | TFT | LCD |
| Size | 4.3" inc | 5.5" inc |
| Resolution | 480 x 800 px | 720 x 1280 px |
| Protection | Corning Gorilla Glass 3 | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 65.2% | 67.2% |
| Display area | 52.6 cm2 | 83.4 cm2 |
| Display aspect ratio | 5:3 (height:width) | 16:9 (height:width) |
| Pixel Density | 217 PPI | 267 PPI |
| Colors | 65K | 16M |
| Connectivity | HTC HD2 | HTC Desire 820 |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - EMEA, Asia | |
| 4G Network | LTE band 3(1800), 7(2600), 8(900), 20(800) - Europe | |
| Wi-Fi | Wi-Fi 802.11 b/g, Wi-Fi router | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot |
| Network | GSM / HSPA | GSM / HSPA / LTE |
| SIM card | Mini-SIM | Nano-SIM |
| Bluetooth | 2.1, A2DP | 4.0, A2DP, aptX |
| Edge | Class 12 | Yes |
| GPRS | Class 12 | Yes |
| GPS | Yes, with A-GPS; NaviPanel | Yes, with A-GPS, GLONASS |
| NFC | Yes (optional) | |
| Speed | HSPA 7.2/2 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| USB | microUSB | microUSB 2.0, USB Host |
| Camera | HTC HD2 | HTC Desire 820 |
| Main camera | 5 MP, Single | 13 MP, Single |
| Specs | 5 MP, AF | 13 MP, f/2.2, 28mm (wide), AF |
| Features | Dual-LED flash | LED flash, HDR |
| Video | 480p@30fps | 1080p@30fps, 720p@60fps |
| Selfie camera | 8 MP, Single | |
| Multimedia | HTC HD2 | HTC Desire 820 |
| 3.5 mm Jack | Yes | Yes |
| Radio | Stereo FM radio, RDS | FM radio |
| Design | HTC HD2 | HTC Desire 820 |
| Colors | Black | Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tangerine White, Saffron Grey, Flamingo Grey, Blue Misty, Monarch Orange |
| Dimensions | 120.5 x 67 x 11 mm | 157.7 x 78.7 x 7.7 mm |
| Weight | 157 g | 155 g |
| Battery | HTC HD2 | HTC Desire 820 |
| Battery capacity | 1230 mAh, Removable Li-Ion | 2600 mAh, Non-removable Li-Po |
| Battery life | Stand by time- Up to 490 h (2G) / Up to 390 h (3G) Talking time- Up to 6 h 20 min (2G) / Up to 5 h 40 min (3G) Music play - Up to 12 h | Stand by time- Up to 424 h (3G) Talking time- Up to 22 h 24 min (3G) |
| Other | HTC HD2 | HTC Desire 820 |
| SAR | SAR - 0.63 W/kg (head), 0.72 W/kg (body) | |
| Release date | 2009, October | 2014, September |
| Sensors | Accelerometer, proximity, compass |
