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| Phone | Samsung SCH-A610 | Samsung SGH-E640 | Sony Ericsson K850 | Sharp Sidekick LX 2007 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.2" diag. 4 : 3 |
3" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
400 x 240 pixels (~155 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,300 mAh | 800 mAh | ? | 1,540 mAh |
| Processor | ? | ? | ? | 200 MHz OMAP 331 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 1 megapixel | 5 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | ? | ? |
| Front Camera | - | - | - | - |
| Weight |
4.23 oz (120g) |
3.17 oz (90g) |
4.2 oz (119g) |
5.7 oz (162g) |
| Dimensions |
3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm) |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
5.12" x 2.36" x 0.7" (130 x 60 x 17.9 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Swivel |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | GPRS | HSDPA 3.6 | EDGE |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | - | - | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | Yes |
| Hearing Aid Compatible | - | - | - |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | Yes | - |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| USB | - | Yes | Yes | Yes |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | Yes |
| Ringer ID | Yes | Yes | Yes | Yes |
| Voice Dialing | Yes | - | Yes | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | - | Yes | 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 |
| Text Keyboard, Hardware | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | Yes | Yes | Yes |
| EMS / Picture Messaging | Yes | Yes | - | - |
| Instant Messaging | - | - | - | Yes |
| MMS | Yes | Yes | Yes | Yes |
| Text Messaging Templates | Yes | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | Yes | Yes | Yes |
| Photo & Video | ||||
| Video Calling | - | - | Yes * | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes * |
| Calculator | Yes | Yes | Yes | - |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | Yes | Yes | Yes | Yes |
| Voice Memo | Yes | Yes | Yes | - |
| Software | ||||
| BREW | Yes | - | - | - |
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | - | - |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SCH-A610 | Samsung SGH-E640 | Sony Ericsson K850 | Sharp Sidekick LX 2007 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A610 | Samsung SGH-E640 | Sony Ericsson K850 | Sharp Sidekick LX 2007 |
