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| Phone | Samsung SGH-X640 | Nokia 8801 / 8800 | Samsung Heat | Nokia E90 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
208 x 208 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
800 x 352 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | 600 mAh | 800 mAh | 1,500 mAh |
| Processor | ? | ? | ? | 332 MHz ARM 11 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | Yes | 1 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | ? | VGA (640 x 480) |
| Front Camera | - | - | - | - |
| Weight |
3 oz (85g) |
4.82 oz (137g) |
3.17 oz (90g) |
7.41 oz (210g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.21" x 1.77" x 0.63" (107 x 45 x 16 mm) |
3.6" x 1.8" x 0.6" (91 x 46 x 15.2 mm) |
5.2" x 2.24" x 0.79" (132 x 57 x 20.1 mm) |
| Form Factor | Clamshell | Slide | Slide | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | S60 (Symbian) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | EDGE | EVDO r0 | HSDPA 3.6 |
| Features | ||||
| GPS / Location | - | - | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | Yes | n/a |
| Hearing Aid Compatible | - | - |
Yes M4 (very compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| USB | - | - | Yes |
Yes Mini-USB |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | - | Yes | n/a |
| Voice Dialing | - | Yes | - | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | - | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | - | Yes | - | n/a |
| EMS / Picture Messaging | Yes | - | - | n/a |
| Instant Messaging | - | - | - | n/a |
| MMS | Yes | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | Yes |
| Music Player | - | Yes | Yes | n/a |
| Photo & Video | ||||
| Video Calling | - | - | - | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | Yes | Yes | Yes | n/a |
| Voice Memo | Yes | Yes | Yes | n/a |
| Software | ||||
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | Yes | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | - | n/a |
| Push-To-Talk | - | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SGH-X640 | Nokia 8801 / 8800 | Samsung Heat | Nokia E90 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Nokia 8801 / 8800 | Samsung Heat | Nokia E90 |
