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| Phone | Samsung SGH-X640 | HP iPAQ Glisten | Samsung Gusto | ZTE Groove |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.5" diag. 4 : 3 |
2" diag. 4 : 3 |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
320 x 240 pixels (~160 ppi) AMOLED |
128 x 160 pixels (~102 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | 1,590 mAh | ? | 1,500 mAh |
| Processor | ? | 528 MHz Qualcomm MSM7200a (ARM11) | ? | 800 MHz Qualcomm MSM7627A |
| RAM | ? | ? | ? | 512 MB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 1 GB |
| Main Camera | Yes | 3 megapixel | Yes | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | - | 720p HD |
| Front Camera | - | - | - | Yes |
| Weight |
3 oz (85g) |
5.29 oz (150g) |
3.27 oz (93g) |
4.5 oz (128g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.44" x 2.47" x 0.53" (113 x 63 x 13.4 mm) |
3.99" x 1.86" x 0.56" (101 x 47 x 14.2 mm) |
4.67" x 2.46" x 0.55" (119 x 62 x 14 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Windows Mobile Professional | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | GPRS | HSDPA 3.6 | 1xRTT | EVDO rA |
| Features | ||||
| GPS / Location | - | n/a | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | Yes | n/a |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | - | n/a |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - |
Yes 802.11 b,g |
- | Yes |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | n/a |
| Voice Dialing | - | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | - | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | Yes | - | - |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - |
Yes Resistive |
- | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | Yes | n/a |
| EMS / Picture Messaging | Yes | n/a | - | n/a |
| Instant Messaging | - | n/a | Yes | n/a |
| MMS | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | - | n/a | - | n/a |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | Yes | n/a | - | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| BREW | - | n/a | Yes | n/a |
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | HP iPAQ Glisten | Samsung Gusto | ZTE Groove | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | HP iPAQ Glisten | Samsung Gusto | ZTE Groove |
