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| Phone | Motorola Droid 2 | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC Desire 555 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
3.7" diag. 16 : 9 |
? |
5" diag. 16 : 9 |
| Display Resolution & Type |
480 x 854 pixels (~265 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz |
| Battery | 1,390 mAh | 1,490 mAh | 2,200 mAh |
| Processor | 1 GHz TI OMAP3620 | 400 MHz Intel XScale | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | ? | ? | 2 GB |
| Storage | 8 GB | ? raw hardware | 16 GB |
| Main Camera | 5 megapixel | Yes | 8 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | WVGA / 480p | QCIF (176 x 144) | 720p HD |
| Front Camera | - | - | 5 megapixel |
| Weight |
5.96 oz (169g) |
7.41 oz (210g) |
4.93 oz (140g) |
| Dimensions |
4.58" x 2.38" x 0.54" (116 x 61 x 13.7 mm) |
4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm) |
5.78" x 2.79" x 0.33" (147 x 71 x 8.4 mm) |
| Platform / OS | Android | Windows Mobile Professional | Android |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | GPRS | LTE (Cat 4) |
| Features | |||
| Flashlight | - | - | Yes |
| Accessibility | |||
| Hearing Aid Compatible | Yes | - | Yes * |
| TTY/TDD (Digital) | Yes | - | Yes |
| Connectivity | |||
| Bluetooth |
Yes Classic Audio |
Yes |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes |
Yes 4 (802.11 b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - |
| Touch Screen | Yes | Yes | Yes |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Music | |||
| FM Radio | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes |
| Photo & Video | |||
| DLNA | Yes | - | Yes |
| Miracast | - | - | Yes |
| Voice | |||
| HD Voice | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Motorola Droid 2 | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC Desire 555 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Droid 2 | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC Desire 555 |











