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| Phone | Samsung SGH-X640 | Motorola Sidekick Slide | LG Volt 2 | Motorola i580 | ZTE ZMAX Pro |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
5" diag. 16 : 9 |
? |
6" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | 60 Hz |
| Battery | 800 mAh | ? | 2,540 mAh | ? | 3,400 mAh |
| Processor | ? | 225 MHz TI OMAP 850 | 1.2 GHz Qualcomm Snapdragon 410 (MSM8916) | ? | 1.5 GHz Qualcomm Snapdragon 617 (MSM8952) |
| RAM | ? | ? | 1 GB | ? | 2 GB |
| Storage | ? raw hardware | ? raw hardware | 8 GB | ? raw hardware | 32 GB |
| Main Camera | Yes | 1 megapixel | 8 megapixel | 1 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | 1080p HD | ? | 1080p HD |
| Front Camera | - | - | 5 megapixel | - | 5 megapixel |
| Weight |
3 oz (85g) |
5.3 oz (150g) |
4.8 oz (136g) |
4.9 oz (139g) |
6.17 oz (175g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm) |
5.5" x 2.75" x 0.4" (140 x 70 x 10.2 mm) |
3.68" x 2.2" x 1.2" (93 x 56 x 30.5 mm) |
6.5" x 3.3" x 0.35" (165 x 84 x 8.9 mm) |
| Form Factor | Clamshell | Slide | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 25, 26, 41 CDMA: 800, 850, 1900 |
iDEN: 800 |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | EDGE | LTE (Cat 4) | WiDEN | LTE (Cat 4) |
| Features | |||||
| Fingerprint Reader | - | - | - | - | Yes |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | - | - | n/a | Yes | n/a |
| Ruggedized | - | - | - | Yes | - |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | n/a | - | n/a |
| Hearing Aid Compatible | - | - | Yes | Yes | Yes |
| Multiple Languages | Yes | - | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | - | n/a |
| USB | - | Yes |
Yes Micro-USB |
- |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- |
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 | n/a | - | n/a |
| Data & Network | |||||
| Data Tethering | - | - | n/a | Yes | n/a |
| WAP / Web Browser | Yes | Yes | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | - | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - | - | Yes | - | Yes |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | Yes | n/a | - | n/a |
| EMS / Picture Messaging | Yes | - | n/a | - | n/a |
| Instant Messaging | - | Yes | n/a | - | n/a |
| MMS | Yes | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | - | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | - | - | Yes | - | Yes |
| Music Player | - | Yes | n/a | Yes * | n/a |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Miracast | - | - | Yes | - | Yes |
| TV Output | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | - | n/a |
| Calculator | 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 | - | n/a | Yes | n/a |
| Software | |||||
| Games | Yes | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | Yes | n/a | Yes | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | Yes | n/a |
| Push-To-Talk | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Motorola Sidekick Slide | LG Volt 2 | Motorola i580 | ZTE ZMAX Pro | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Motorola Sidekick Slide | LG Volt 2 | Motorola i580 | ZTE ZMAX Pro |
