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| Phone | Samsung SGH-X400 | Ericsson T28 World | Samsung SGH-X640 | Palm Pre Plus (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
3.1" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
? |
128 x 160 pixels LCD (TFT/TFD) |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 620 mAh | 500 mAh | 800 mAh | 1,150 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | Yes | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | - | VGA (640 x 480) |
| Front Camera | - | - | - | - |
| Weight |
3.17 oz (90g) |
3.14 oz (89g) |
3 oz (85g) |
4.89 oz (139g) |
| Dimensions |
3.39" x 1.81" x 0.8" (86 x 46 x 20.3 mm) |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.9" x 2.3" x 0.67" (99 x 58 x 17 mm) |
| Form Factor | Clamshell | Flip | Clamshell | Slide |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | webOS |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1900 |
GSM: 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | - | GPRS | HSDPA 1.8 |
| Features | ||||
| GPS / Location | - | - | - | n/a |
| Accessibility | ||||
| Multiple Languages | Yes | - | Yes | n/a |
| TTY/TDD (Digital) | - | - | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | - | - | Yes |
| Infrared (IR) | Yes | - | - | - |
| USB | - | - | - |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | Yes | - | Yes | n/a |
| Ringer ID | Yes | - | Yes | n/a |
| Voice Dialing | - | Yes | - | n/a |
| Customization | ||||
| Custom Graphics | Yes | - | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | - | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | - | n/a |
| WAP / Web Browser | Yes | - | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | - | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
| Messaging | ||||
| Email Client | - | - | - | n/a |
| EMS / Picture Messaging | Yes | - | Yes | n/a |
| Instant Messaging | - | - | - | n/a |
| MMS | - | - | Yes | n/a |
| Text Messaging Templates | Yes | - | Yes | n/a |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | - | - | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | - | Yes | n/a |
| To-Do List | Yes | - | Yes | n/a |
| Voice Memo | - | - | Yes | n/a |
| Software | ||||
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | - | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | Yes | n/a |
| Speaker Phone | - | - | Yes | Yes |
| Samsung SGH-X400 | Ericsson T28 World | Samsung SGH-X640 | Palm Pre Plus (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X400 | Ericsson T28 World | Samsung SGH-X640 | Palm Pre Plus (GSM) |
