Compare Phones
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| Phone | Samsung SGH-X640 | Samsung SGH-A657 | Sony Ericsson S710a | LG AX-490 | Motorola EM330 / EM28 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
1.8" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 800 mAh | 1,420 mAh | 780 mAh | 1,100 mAh | 940 mAh |
| Processor | ? | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | - | 1 megapixel | Yes | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | QCIF (176 x 144) | - | ? |
| Front Camera | - | - | - | - | - |
| Weight |
3 oz (85g) |
4.34 oz (123g) |
4.83 oz (137g) |
3.79 oz (107g) |
3.17 oz (90g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
4.23" x 1.93" x 0.96" (107 x 49 x 24.4 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
3.71" x 1.95" x 0.68" (94 x 50 x 17.4 mm) |
| Form Factor | Clamshell | Slab | Swivel | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 1800, 1900 |
| Data Technology | GPRS | HSDPA 3.6 | EDGE | 1xRTT | EDGE |
| Features | |||||
| Flashlight | - | Yes | - | - | - |
| GPS / Location | - | Yes | - | Yes | - |
| Ruggedized | - | Yes | - | - | - |
| Accessibility | |||||
| Hearing Aid Compatible | - | - | - |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | Yes |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - | - |
| USB | - | Yes | Yes | Yes |
Yes Mini-USB |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | Yes | - |
| Ringer ID | Yes | Yes | Yes | Yes | - |
| Voice Dialing | - | - | Yes | Yes | - |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes | Yes |
| Real-Music Ringers | - | Yes | - | Yes | Yes |
| Data & Network | |||||
| Data Tethering | - | Yes | Yes | Yes | - |
| WAP / Web Browser | Yes | Yes | Yes | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | - | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | Yes | Yes | - | - |
| EMS / Picture Messaging | Yes | - | Yes | - | Yes |
| Instant Messaging | - | Yes | - | - | - |
| MMS | Yes | Yes | Yes | Yes | Yes |
| Text Messaging Templates | Yes | Yes | Yes | Yes | Yes |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | - | Yes | Yes | - | Yes |
| Stereo Speakers | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes | Yes |
| To-Do List | Yes | Yes | Yes | - | - |
| Voice Memo | Yes | Yes | Yes | Yes | - |
| Software | |||||
| BREW | - | - | - | Yes | - |
| Games | Yes | Yes | Yes | Yes | Yes |
| Java (J2ME) | Yes | Yes | Yes | - | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | - | - | Yes | - |
| Push-To-Talk | - | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Samsung SGH-A657 | Sony Ericsson S710a | LG AX-490 | Motorola EM330 / EM28 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SGH-A657 | Sony Ericsson S710a | LG AX-490 | Motorola EM330 / EM28 |
