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| Phone | Samsung SGH-X640 | Nokia N900 | Motorola i90c | Motorola ROKR Z6 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
800 x 480 pixels (~267 ppi) LCD (TFT/TFD) |
? LCD (Grayscale) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | 1,320 mAh | ? | 750 mAh |
| Processor | ? | 600 MHz TI OMAP 3430 (ARM Cortex-A8) | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 5 megapixel | - | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | - | ? |
| Front Camera | - | - | - | - |
| Weight |
3 oz (85g) |
6.38 oz (181g) |
5.33 oz (151g) |
4.06 oz (115g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.36" x 2.35" x 0.69" (111 x 60 x 17.6 mm) |
3.5" x 2" x 1.1" (89 x 51 x 27.9 mm) |
4.15" x 1.79" x 0.63" (105 x 45 x 16 mm) |
| Form Factor | Clamshell | Slide | Clamshell | Slide |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 1, 4, 8 GSM: 850, 900, 1800, 1900 |
iDEN: 800 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | HSPA 10.1 | - | EDGE |
| Features | ||||
| GPS / Location | - | Yes | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | Yes | - | - |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| USB | - |
Yes Micro-USB |
- | Yes |
| Wi-Fi | - |
Yes 802.11 b,g |
- | - |
| Contacts | ||||
| Picture ID | Yes | Yes | - | Yes |
| Ringer ID | Yes | - | - | Yes |
| Voice Dialing | - | - | Yes | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | - | Yes |
| Custom Ringtones | Yes | Yes | - | Yes |
| Real-Music Ringers | - | Yes | - | Yes |
| Data & Network | ||||
| Data Tethering | - | - | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | - | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | Yes | - | - |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | Yes | - | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | Yes | - | Yes |
| EMS / Picture Messaging | Yes | - | - | Yes |
| Instant Messaging | - | Yes | - | Yes |
| MMS | Yes | - | - | Yes |
| Text Messaging Templates | Yes | - | - | Yes |
| Music | ||||
| FM Transmitter | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | - | Yes | - | Yes |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Video Calling | - | Yes * | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | Yes | - | - | Yes |
| Voice Memo | Yes | - | Yes | Yes |
| Software | ||||
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | Yes | - | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | Yes | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SGH-X640 | Nokia N900 | Motorola i90c | Motorola ROKR Z6 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Nokia N900 | Motorola i90c | Motorola ROKR Z6 |
