Compare Phones
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| Phone | Samsung SGH-X640 | Palm Treo 650 (CDMA) | HTC EVO Shift 4G | Motorola V551 / V330 / V547 / V555 / V557 | Samsung SGH-A657 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
3.6" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~259 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 800 mAh | ? | 1,500 mAh | 820 mAh | 1,420 mAh |
| Processor | ? | 312 MHz Intel XScale PXA270 | 800 MHz Qualcomm S2 MSM7630 | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | Yes | 5 megapixel | Yes | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | 720p HD | ? | - |
| Front Camera | - | - | - | - | - |
| Weight |
3 oz (85g) |
6.3 oz (179g) |
5.87 oz (166g) |
4.23 oz (120g) |
4.34 oz (123g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
4.6" x 2.32" x 0.61" (117 x 59 x 15.5 mm) |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
| Form Factor | Clamshell | Slab | Slide | Clamshell | Slab |
| Platform / OS | (proprietary) | Palm OS | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
4G WiMAX: 41 CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | WiMAX | EDGE | HSDPA 3.6 |
| Features | |||||
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | - | n/a | n/a | - | Yes |
| Ruggedized | - | - | - | - | Yes |
| Accessibility | |||||
| Hearing Aid Compatible | - | - | Yes | - | - |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth |
- |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - | - |
| Mobile Hotspot | - | n/a | n/a | - | - |
| USB | - | - |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | n/a | Yes | Yes |
| Voice Dialing | - | n/a | n/a | Yes | - |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | n/a | Yes | Yes |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - | - |
| Touch Screen | - | Yes | Yes | - | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | Yes | Yes |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes | - |
| Instant Messaging | - | n/a | n/a | Yes | Yes |
| MMS | Yes | n/a | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | - | n/a | n/a | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | Yes | n/a | n/a | - | Yes |
| Voice Memo | Yes | n/a | n/a | Yes | Yes |
| Software | |||||
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes | - |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Palm Treo 650 (CDMA) | HTC EVO Shift 4G | Motorola V551 / V330 / V547 / V555 / V557 | Samsung SGH-A657 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Palm Treo 650 (CDMA) | HTC EVO Shift 4G | Motorola V551 / V330 / V547 / V555 / V557 | Samsung SGH-A657 |
