| HTC Touch Diamond CDMA |
HTC Desire 820 |
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| Hardware and OS | HTC Touch Diamond CDMA | HTC Desire 820 |
|---|---|---|
| Operating system | Microsoft Windows Mobile 6.1 Professional | Android 4.4.2 (KitKat), upgradable to 6.1 (Marshmallow); Sense UI 7 |
| Processor | 528 MHz ARM 11 | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) |
| Chipset | Qualcomm MSM7501A | Qualcomm MSM8939 Snapdragon 615 (28 nm) |
| GPU | Adreno 130 | Adreno 405 |
| Internal memory | 4 GB, 288 MB RAM, 256 MB ROM | 16 GB, 2 GB RAM |
| External memory | No | microSD, up to 256 GB (dedicated slot) |
| Display | HTC Touch Diamond CDMA | HTC Desire 820 |
| Type | TFT | LCD |
| Size | 2.8" inc | 5.5" inc |
| Resolution | 480 x 640 px | 720 x 1280 px |
| Protection | Corning Gorilla Glass 3 | |
| Touchscreen | resistive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 44.9% | 67.2% |
| Display area | 24.3 cm2 | 83.4 cm2 |
| Display aspect ratio | 4:3 (height:width) | 16:9 (height:width) |
| Pixel Density | 286 PPI | 267 PPI |
| Colors | 65K | 16M |
| Other | TouchFLO 3D finger swipe navigation -Handwriting recognition | |
| Connectivity | HTC Touch Diamond CDMA | HTC Desire 820 |
| 2G Network | CDMA 800 / 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 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot |
| Network | CDMA / EVDO | GSM / HSPA / LTE |
| SIM card | Mini-SIM | Nano-SIM |
| Bluetooth | 2.0, A2DP | 4.0, A2DP, aptX |
| Edge | No | Yes |
| GPRS | No | Yes |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS |
| NFC | Yes (optional) | |
| Speed | EV-DO Rev.A 3.1 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| USB | miniUSB 2.0 | microUSB 2.0, USB Host |
| Camera | HTC Touch Diamond CDMA | HTC Desire 820 |
| Main camera | 3.15 MP, Single | 13 MP, Single |
| Specs | 3.15 MP, AF | 13 MP, f/2.2, 28mm (wide), AF |
| Features | LED flash, HDR | |
| Video | Yes | 1080p@30fps, 720p@60fps |
| Selfie camera | 8 MP, Single | |
| Multimedia | HTC Touch Diamond CDMA | HTC Desire 820 |
| 3.5 mm Jack | No | Yes |
| Radio | No | FM radio |
| Design | HTC Touch Diamond CDMA | 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 | 102 x 53 x 15 mm | 157.7 x 78.7 x 7.7 mm |
| Weight | 115 g | 155 g |
| Battery | HTC Touch Diamond CDMA | HTC Desire 820 |
| Battery capacity | 1340 mAh, Removable Li-Ion | 2600 mAh, Non-removable Li-Po |
| Battery life | Stand by time- Up to 350 h Talking time- Up to 1 h 10 min | Stand by time- Up to 424 h (3G) Talking time- Up to 22 h 24 min (3G) |
| Other | HTC Touch Diamond CDMA | HTC Desire 820 |
| SAR | SAR - 0.85 W/kg (head), 0.64 W/kg (body) | |
| Release date | 2008, April | 2014, September |
| Sensors | Accelerometer, proximity | Accelerometer, proximity, compass |
