Compare Phones
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| Phone | Nokia N81 | Motorola Charm | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Samsung SPH-i550 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
2.8" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 1,050 mAh | 1,170 mAh | 1,490 mAh | ? |
| Processor | 369 MHz ARM 11 | 720 MHz TI OMAP3410 | 400 MHz Intel XScale | 200 MHz Motorola MX-1 |
| RAM | ? | ? | ? | ? |
| Storage | 8 GB * | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | 3 megapixel | Yes | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | VGA (640 x 480) | ? | QCIF (176 x 144) | ? |
| Front Camera | - | - | - | - |
| Weight |
4.94 oz (140g) |
3.88 oz (110g) |
7.41 oz (210g) |
? |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm) |
3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm) |
| Platform / OS | S60 (Symbian) | Android | Windows Mobile Professional | Palm OS |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | EDGE | HSDPA 3.6 | GPRS | 1xRTT |
| Features | ||||
| Accessibility | ||||
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Infrared (IR) | - | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes | - |
| Wi-Fi |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
Yes | - |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - |
| Touch Screen | - |
Yes Capacitive |
Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes * | 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 | Motorola Charm | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Samsung SPH-i550 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Motorola Charm | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Samsung SPH-i550 |
