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| Phone | NEC 535M | Samsung SGH-E640 | Sony Ericsson K850 | Samsung SGH-R225 / SGH-R225M |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Not yet released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.2" diag. 4 : 3 |
? |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
128 x 64 pixels |
| Display Refresh | ? | ? | ? | ? |
| Battery | 720 mAh | 800 mAh | ? | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 1 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | QCIF (176 x 144) | ? | - |
| Front Camera | - | - | - | - |
| Weight |
4.16 oz (118g) |
3.17 oz (90g) |
4.2 oz (119g) |
3.35 oz (95g) |
| Dimensions |
3.98" x 1.93" x 1.02" (101 x 49 x 25.9 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) |
4.33" x 1.81" x 0.93" (110 x 46 x 23.6 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 850, 1800, 1900 |
GSM: 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1900 |
| Data Technology | GPRS | GPRS | HSDPA 3.6 | - |
| Features | ||||
| Flashlight | Yes | - | - | - |
| Accessibility | ||||
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Infrared (IR) | Yes | - | - | - |
| USB | Yes | Yes | Yes | - |
| Contacts | ||||
| Picture ID | 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 | - |
| Data & Network | ||||
| Data Tethering | Yes | - | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes | - |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | Yes | Yes | Yes | - |
| EMS / Picture Messaging | - | Yes | - | - |
| MMS | Yes | Yes | Yes | Yes |
| Text Messaging Templates | - | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Music Player | - | Yes | Yes | - |
| Photo & Video | ||||
| Video Calling | - | - | Yes * | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | Yes | Yes | Yes | - |
| Voice Memo | Yes | Yes | Yes | - |
| Software | ||||
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | Yes | Yes | Yes | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | - | - | Yes |
| Speaker Phone | - | Yes | Yes | - |
| * Some versions only | ||||
| NEC 535M | Samsung SGH-E640 | Sony Ericsson K850 | Samsung SGH-R225 / SGH-R225M | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | NEC 535M | Samsung SGH-E640 | Sony Ericsson K850 | Samsung SGH-R225 / SGH-R225M |
