Compare Phones
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| Phone | Samsung SGH-E640 | Pantech Swift | Pantech Duo C810 | Samsung SCH-A990 | Huawei M835 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.8" diag. 4 : 3 |
2.2" diag. 4 : 3 |
? |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | 1,000 mAh | 1,320 mAh | 1,000 mAh | 1,200 mAh |
| Processor | ? | Qualcomm QSX6270 | ARM 920t PXA27x | ? | 528 MHz Qualcomm MSM7625 |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 2 megapixel | 1 megapixel | 3 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | QVGA (320 x 240) | QVGA (320 x 240) | ? | ? |
| Front Camera | - | - | - | - | - |
| Weight |
3.17 oz (90g) |
6.26 oz (177g) |
3.88 oz (110g) |
4.4 oz (125g) |
3.88 oz (110g) |
| Dimensions |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
4.29" x 2.22" x 0.58" (109 x 56 x 14.7 mm) |
4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.09" x 2.15" x 0.53" (104 x 55 x 13.5 mm) |
| Form Factor | Clamshell | Slide | Slide | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | Windows Mobile Standard | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | GPRS | HSDPA 3.6 | HSDPA 1.8 | EVDO r0 | EVDO rA |
| Features | |||||
| Flashlight | - | - | - | Yes | - |
| GPS / Location | - | Yes | n/a | Yes | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | - | Yes | - | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | Yes | - |
| Ringer Profiles | - | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| USB | Yes | Yes | Yes | Yes | Yes |
| Wi-Fi | - | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | Yes | n/a | Yes | n/a |
| Voice Dialing | - | - | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | Yes | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | Yes | n/a |
| WAP / Web Browser | Yes | Yes | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - | - |
| Touch Screen | - | Yes | - | - | Yes |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | Yes | Yes | n/a | - | n/a |
| EMS / Picture Messaging | Yes | - | n/a | Yes | n/a |
| Instant Messaging | - | Yes | n/a | - | n/a |
| MMS | Yes | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | Yes | n/a | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | - | Yes |
| Music Player | Yes | Yes | n/a | Yes | n/a |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | n/a |
| Calculator | Yes | Yes | n/a | Yes | n/a |
| Calendar | Yes | Yes | n/a | Yes | n/a |
| To-Do List | Yes | Yes | n/a | - | n/a |
| Voice Memo | Yes | Yes | n/a | Yes | n/a |
| Software | |||||
| BREW | - | Yes | n/a | Yes | n/a |
| Games | Yes | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | - | n/a | - | n/a |
| Voice | |||||
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-E640 | Pantech Swift | Pantech Duo C810 | Samsung SCH-A990 | Huawei M835 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-E640 | Pantech Swift | Pantech Duo C810 | Samsung SCH-A990 | Huawei M835 |
