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| Phone | Nokia N81 | Siemens C56 | BlackBerry Storm2 9550 | Samsung Glyde U940 | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
3.3" diag. 4 : 3 |
2.8" diag. 16.5 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
101 x 64 pixels |
360 x 480 pixels (~185 ppi) LCD (TFT/TFD) |
240 x 440 pixels (~182 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 1,050 mAh | 700 mAh | 1,400 mAh | 1,000 mAh | 1,000 mAh |
| Processor | 369 MHz ARM 11 | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | 8 GB * | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | - | 3 megapixel | 2 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | VGA (640 x 480) | - | ? | QVGA (320 x 240) | ? |
| Front Camera | - | - | - | - | - |
| Weight |
4.94 oz (140g) |
3 oz (85g) |
5.64 oz (160g) |
4.2 oz (119g) |
4.4 oz (125g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
3.98" x 1.73" x 0.83" (101 x 44 x 21.1 mm) |
4.43" x 2.45" x 0.55" (113 x 62 x 14 mm) |
4.09" x 1.98" x 0.71" (104 x 50 x 18 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Slide | Slab | Slab | Slide | Clamshell |
| Platform / OS | S60 (Symbian) | (proprietary) | BlackBerry OS | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | EDGE | GPRS | EVDO rA | EVDO r0 | EVDO r0 |
| Features | |||||
| Flashlight | - | - | - | - | Yes |
| GPS / Location | n/a | Yes | n/a | Yes | Yes |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | - | - |
| Hearing Aid Compatible | - | - |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | - | Yes |
| Ringer Profiles | Yes | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | Yes |
| USB |
Yes Micro-USB |
Yes | Yes | Yes | Yes |
| Wi-Fi |
Yes 802.11 b,g |
- |
Yes 802.11 b,g |
- | - |
| Contacts | |||||
| Picture ID | n/a | - | n/a | Yes | Yes |
| Ringer ID | n/a | Yes | n/a | Yes | Yes |
| Voice Dialing | n/a | Yes | n/a | Yes | Yes |
| Customization | |||||
| Changeable Body Plates | - | Yes | - | - | - |
| Custom Graphics | n/a | Yes | n/a | Yes | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes | Yes |
| Real-Music Ringers | n/a | - | n/a | Yes | Yes |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | Yes | Yes |
| WAP / Web Browser | n/a | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | Yes | Yes |
| Side Keys | Yes | - | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes | - |
| Memory | |||||
| Memory Card Slot | Yes * | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | - | n/a | - | - |
| EMS / Picture Messaging | n/a | Yes | n/a | - | Yes |
| Instant Messaging | n/a | - | n/a | - | - |
| MMS | n/a | - | n/a | Yes | Yes |
| Text Messaging Templates | n/a | Yes | n/a | Yes | Yes |
| Music | |||||
| FM Radio | Yes | - | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - | - |
| Music Player | n/a | - | n/a | Yes | Yes |
| Stereo Speakers | Yes | - | - | - | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Video Calling | n/a | - | n/a | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | Yes | Yes |
| Calculator | n/a | Yes | n/a | Yes | Yes |
| Calendar | n/a | Yes | n/a | Yes | Yes |
| To-Do List | n/a | - | n/a | - | - |
| Voice Memo | n/a | - | n/a | - | Yes |
| Software | |||||
| BREW | n/a | - | n/a | Yes | Yes |
| Games | n/a | Yes | n/a | Yes | Yes |
| Java (J2ME) | n/a | Yes | n/a | - | - |
| Voice | |||||
| Headset Jack (2.5 mm) | n/a | - | n/a | Yes | - |
| Push-To-Talk | Yes * | - | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Nokia N81 | Siemens C56 | BlackBerry Storm2 9550 | Samsung Glyde U940 | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Siemens C56 | BlackBerry Storm2 9550 | Samsung Glyde U940 | Samsung SCH-A990 |
