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| Phone | Samsung SGH-X640 | Samsung SGH-T369 | Samsung M400 | HTC G2 | Samsung Zeal / Alias 2 SCH-U750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.5" diag. 4 : 3 |
2.4" diag. 4 : 3 |
3.7" diag. 5 : 3 |
2.6" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~160 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | 1,000 mAh | 1,000 mAh | 1,300 mAh | 880 mAh |
| Processor | ? | ? | 400 MHz Qualcomm QSC6155 | 800 MHz Qualcomm S2 MSM7230 | ? |
| RAM | ? | ? | 128 MB | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 256 MB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 1 megapixel | 1 megapixel | 5 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | - | 720p HD | QCIF (176 x 144) |
| Front Camera | - | - | - | - | - |
| Weight |
3 oz (85g) |
3.95 oz (112g) |
3.7 oz (105g) |
6.5 oz (184g) |
4.34 oz (123g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.46" x 2.1" x 0.59" (113 x 53 x 15 mm) |
3.8" x 1.9" x 0.7" (97 x 48 x 17.8 mm) |
4.68" x 2.37" x 0.55" (119 x 60 x 14 mm) |
4.01" x 2.04" x 0.67" (102 x 52 x 17 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | EDGE | 1xRTT | HSPA 14.4 | EVDO r0 |
| Features | |||||
| GPS / Location | - | - | Yes | n/a | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | - | Yes | n/a | Yes |
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | - | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | - | n/a | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | Yes | n/a | Yes |
| Voice Dialing | - | - | Yes | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | Yes | 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 | Yes |
| Text Keyboard, Hardware | - | Yes | - | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | - | n/a | Yes |
| EMS / Picture Messaging | Yes | - | - | n/a | - |
| Instant Messaging | - | Yes | - | n/a | Yes |
| MMS | Yes | Yes | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | Yes | n/a | Yes |
| Music | |||||
| 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 | Yes | - | n/a | - |
| Voice Memo | Yes | Yes | Yes | n/a | Yes |
| Software | |||||
| BREW | - | - | - | n/a | Yes |
| Games | Yes | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | Yes | - | n/a | - |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | - | - | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Samsung SGH-T369 | Samsung M400 | HTC G2 | Samsung Zeal / Alias 2 SCH-U750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SGH-T369 | Samsung M400 | HTC G2 | Samsung Zeal / Alias 2 SCH-U750 |
