Compare Phones
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| Phone | Samsung SGH-X640 | Kyocera Energi K490 / K493 / K494 | Alcatel 665 | ZTE Prelude / Avail 2 | Samsung SGH-A657 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
1.8" diag. 4 : 3 |
3.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
104 x 80 pixels LCD (STN) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | ? | 650 mAh | 1,500 mAh | 1,420 mAh |
| Processor | ? | ? | ? | 1 GHz Qualcomm Snapdragon MSM7225A | ? |
| RAM | ? | ? | 16 MB | 512 MB | ? |
| Storage | ? raw hardware | ? raw hardware | 32 MB | 4 GB | ? raw hardware |
| Main Camera | Yes | - | 2 megapixel | 2 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | QCIF (176 x 144) | VGA (640 x 480) | - |
| Front Camera | - | - | - | - | - |
| Weight |
3 oz (85g) |
3.52 oz (100g) |
2.72 oz (77g) |
4.4 oz (125g) |
4.34 oz (123g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.45" x 1.89" x 0.91" (113 x 48 x 23.1 mm) |
3.78" x 1.89" x 0.66" (96 x 48 x 16.8 mm) |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | 1xRTT | - | HSPA 7.2 | HSDPA 3.6 |
| Features | |||||
| Flashlight | - | Yes | - | - | Yes |
| GPS / Location | - | Yes | - | n/a | Yes |
| Ruggedized | - | - | - | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | - | - | n/a | - |
| Hearing Aid Compatible | - | - |
Yes M4 (very compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes * | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| USB | - | Yes |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | - | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | Yes | n/a | Yes |
| Voice Dialing | - | Yes | - | n/a | - |
| Customization | |||||
| Changeable Body Plates | - | Yes | - | - | - |
| Custom Graphics | Yes | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | - | Yes | n/a | Yes |
| Data & Network | |||||
| Data Tethering | - | Yes | - | n/a | Yes |
| WAP / Web Browser | Yes | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | Yes |
| Side Keys | Yes | - | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | - | n/a | Yes |
| EMS / Picture Messaging | Yes | Yes | - | n/a | - |
| Instant Messaging | - | - | Yes | n/a | Yes |
| MMS | Yes | - | Yes | n/a | Yes |
| Text Messaging Templates | Yes | - | Yes | n/a | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - |
| Music Player | - | - | Yes | n/a | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | - | n/a | Yes |
| Voice Memo | Yes | - | Yes | n/a | Yes |
| Software | |||||
| BREW | - | Yes | - | n/a | - |
| Games | Yes | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | - | Yes | n/a | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | Yes | - | n/a | - |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Kyocera Energi K490 / K493 / K494 | Alcatel 665 | ZTE Prelude / Avail 2 | Samsung SGH-A657 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Kyocera Energi K490 / K493 / K494 | Alcatel 665 | ZTE Prelude / Avail 2 | Samsung SGH-A657 |
