Compare Phones
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| Phone | Samsung SGH-X640 | Nokia 6255i / 6256i | BlackBerry 7750 | Nokia N78 | Motorola V195 / V197 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? |
2.4" diag. 4 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 800 mAh | 1,070 mAh | ? | 1,200 mAh | 1,020 mAh |
| Processor | ? | ? | ? | 369 MHz ARM 11 | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | Yes | - | 3 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | - | VGA (640 x 480) | - |
| Front Camera | - | - | - | - | - |
| Weight |
3 oz (85g) |
4.23 oz (120g) |
5.01 oz (142g) |
3.59 oz (102g) |
3.55 oz (101g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.36" x 1.87" x 0.97" (85 x 47 x 24.6 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.45" x 1.93" x 0.59" (113 x 49 x 15.1 mm) |
3.58" x 1.85" x 0.94" (91 x 47 x 23.9 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | BlackBerry OS | S60 (Symbian) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | 1xRTT | 1xRTT | HSDPA 3.6 | GPRS |
| Features | |||||
| GPS / Location | - | Yes | n/a | n/a | - |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
- | - | - |
| Multiple Languages | Yes | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | Yes |
| Ringer Profiles | - | Yes | Yes | Yes | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | - | Yes | Yes |
| Infrared (IR) | - | Yes | - | - | - |
| USB | - | Yes | Yes |
Yes Micro-USB |
Yes Mini-USB |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
- |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | n/a | Yes |
| Voice Dialing | - | Yes | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | Yes | n/a | n/a | Yes |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | - | Yes | n/a | n/a | - |
| EMS / Picture Messaging | Yes | Yes * | n/a | n/a | Yes |
| Instant Messaging | - | - | n/a | n/a | Yes |
| MMS | Yes | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | Yes | - | Yes | - |
| FM Transmitter | - | - | n/a | n/a | - |
| Headphone Jack (3.5mm) | - | - | - | Yes | - |
| Music Player | - | Yes * | n/a | n/a | - |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | - |
| Video Calling | - | - | n/a | n/a | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | Yes |
| Calculator | Yes | Yes | n/a | n/a | Yes |
| Calendar | Yes | Yes | n/a | n/a | Yes |
| To-Do List | Yes | Yes | n/a | n/a | - |
| Voice Memo | Yes | Yes | n/a | n/a | - |
| Software | |||||
| BREW | - | Yes * | n/a | n/a | - |
| Games | Yes | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | Yes * | n/a | n/a | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a | Yes |
| Push-To-Talk | - | - | - | Yes * | Yes * |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Nokia 6255i / 6256i | BlackBerry 7750 | Nokia N78 | Motorola V195 / V197 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Nokia 6255i / 6256i | BlackBerry 7750 | Nokia N78 | Motorola V195 / V197 |
