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|  |  |  | |
| Phone | Nokia N81 | BlackBerry Pearl 8110 | HTC SDA (USA) / SP5m (Tornado) | 
| Current U.S. Carriers | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | 
| Specifications | |||
|---|---|---|---|
| Display Size | 2.4" diag. 4 : 3 | ? | 2.2" diag. 4 : 3 | 
| Display Resolution & Type | 240 x 320 pixels (~167 ppi) LCD (TFT/TFD) | 240 x 260 pixels LCD (TFT/TFD) | 240 x 320 pixels (~182 ppi) LCD (TFT/TFD) | 
| Display Refresh | ? | ? | ? | 
| Battery | 1,050 mAh | ? | ? | 
| Processor | 369 MHz ARM 11 | ? | ? | 
| RAM | ? | ? | ? | 
| Storage | 8 GB * | ? raw hardware | ? raw hardware | 
| Main Camera | 2 megapixel | 2 megapixel | 1 megapixel | 
| Wide Camera | - | - | - | 
| Tele Camera | - | - | - | 
| Video Capture | VGA (640 x 480) | ? | QCIF (176 x 144) | 
| Front Camera | - | - | - | 
| Weight | 4.94 oz (140g) | 3.2 oz (91g) | 3.74 oz (106g) | 
| Dimensions | 4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) | 4.2" x 1.97" x 0.55" (107 x 50 x 14 mm) | 4.53" x 1.82" x 0.69" (115 x 46 x 17.5 mm) | 
| Platform / OS | S60 (Symbian) | BlackBerry OS | Windows Mobile Standard | 
| Network Bands | WCDMA: 1 GSM: 850, 900, 1800, 1900 | GSM: 850, 900, 1800, 1900 | GSM: 850, 900, 1800, 1900 | 
| Data Technology | EDGE | EDGE | EDGE | 
| Features | |||
| Accessibility | |||
| TTY/TDD (Digital) | - | - | Yes | 
| Alerts | |||
| Ringer Profiles | Yes | Yes | Yes | 
| Connectivity | |||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes | 
| Infrared (IR) | - | - | Yes | 
| USB | Yes Micro-USB | Yes | Yes Mini-USB | 
| Wi-Fi | Yes 802.11 b,g | - | Yes | 
| Input | |||
| Side Keys | Yes | Yes | Yes | 
| Text Keyboard, Hardware | - | Yes | - | 
| Memory | |||
| Memory Card Slot | Yes * | Yes | Yes | 
| Music | |||
| FM Radio | Yes | - | - | 
| Headphone Jack (3.5mm) | Yes | Yes | - | 
| Stereo Speakers | Yes | - | - | 
| Voice | |||
| Push-To-Talk | Yes * | - | - | 
| Speaker Phone | Yes | Yes | Yes | 
| * Some versions only | |||
| Nokia N81 | BlackBerry Pearl 8110 | HTC SDA (USA) / SP5m (Tornado) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  | |
| Phone | Nokia N81 | BlackBerry Pearl 8110 | HTC SDA (USA) / SP5m (Tornado) | 
 









