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| Phone | Samsung SGH-X400 | Samsung SGH-E640 | Samsung M400 | BlackBerry Storm2 9550 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.4" diag. 4 : 3 |
3.3" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
360 x 480 pixels (~185 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 620 mAh | 800 mAh | 1,000 mAh | 1,400 mAh |
| Processor | ? | ? | 400 MHz Qualcomm QSC6155 | ? |
| RAM | ? | ? | 128 MB | ? |
| Storage | ? raw hardware | ? raw hardware | 256 MB | ? raw hardware |
| Main Camera | - | 1 megapixel | 1 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | - | ? |
| Front Camera | - | - | - | - |
| Weight |
3.17 oz (90g) |
3.17 oz (90g) |
3.7 oz (105g) |
5.64 oz (160g) |
| Dimensions |
3.39" x 1.81" x 0.8" (86 x 46 x 20.3 mm) |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
3.8" x 1.9" x 0.7" (97 x 48 x 17.8 mm) |
4.43" x 2.45" x 0.55" (113 x 62 x 14 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | BlackBerry OS |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | GPRS | 1xRTT | EVDO rA |
| Features | ||||
| GPS / Location | - | - | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | Yes | n/a |
| Hearing Aid Compatible | - | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | Yes | - |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - |
| USB | - | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | 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 | - | - | - | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | - | Yes | - | n/a |
| EMS / Picture Messaging | Yes | Yes | - | n/a |
| Instant Messaging | - | - | - | n/a |
| MMS | - | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | Yes | - | 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 | - | n/a |
| Voice Memo | - | 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 |
| Speaker Phone | - | Yes | Yes | Yes |
| Samsung SGH-X400 | Samsung SGH-E640 | Samsung M400 | BlackBerry Storm2 9550 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X400 | Samsung SGH-E640 | Samsung M400 | BlackBerry Storm2 9550 |
