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| Phone | ZTE Speed | Samsung SGH-X640 | Pantech Duo C810 | Motorola Droid Bionic |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
? |
2.2" diag. 4 : 3 |
4.3" diag. 16 : 9 |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | 60 Hz |
| Battery | 2,000 mAh | 800 mAh | 1,320 mAh | 1,735 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 410 MSM8916 | ? | ARM 920t PXA27x | 1 GHz TI OMAP 4430 (dual-core ARM Cortex-A9) |
| RAM | 1 GB | ? | ? | 1 GB |
| Storage | 8 GB | ? raw hardware | ? raw hardware | 12 GB * |
| Main Camera | 5 megapixel | Yes | 1 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | - | QVGA (320 x 240) | 1080p HD |
| Front Camera | 2 megapixel | - | - | Yes |
| Weight |
4.8 oz (136g) |
3 oz (85g) |
3.88 oz (110g) |
5.6 oz (159g) |
| Dimensions |
5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm) |
5" x 2.63" x 0.43" (127 x 67 x 10.9 mm) |
| Form Factor | Slab | Clamshell | Slide | Slab |
| Platform / OS | Android | (proprietary) | Windows Mobile Standard | Android |
| Network Bands |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
GSM: 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 13 CDMA: 850, 1900 |
| Data Technology | LTE (Cat 3) | GPRS | HSDPA 1.8 | LTE (Cat 3) |
| Features | ||||
| GPS / Location | n/a | - | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- | - |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a |
| USB |
Yes Micro-USB |
- | Yes | Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | - | n/a | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Music Player | n/a | - | n/a | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| TV Output | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| Games | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| ZTE Speed | Samsung SGH-X640 | Pantech Duo C810 | Motorola Droid Bionic | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Speed | Samsung SGH-X640 | Pantech Duo C810 | Motorola Droid Bionic |
