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| Phone | Samsung SGH-X640 | AT&T Vista | Motorola Moto G (GSM, 2nd gen.) | Motorola SLVR L7c | Motorola KRZR K1 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5.5" diag. 18 : 9 |
5" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | 800 mAh | 2,450 mAh | 2,070 mAh | 900 mAh | 780 mAh |
| Processor | ? | 2 GHz MediaTek Helio A22 (MT6761V) | 1.2 GHz Qualcomm Snapdragon 400 | ? | ? |
| RAM | ? | 3 GB | 1 GB | ? | ? |
| Storage | ? raw hardware | 32 GB | 8 GB * | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 8 megapixel | 8 megapixel | Yes | 2 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | 720p HD | ? | ? |
| Front Camera | - | 5 megapixel | 2 megapixel | - | - |
| Weight |
3 oz (85g) |
5.51 oz (156g) |
5.26 oz (149g) |
3.7 oz (105g) |
3.6 oz (102g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
5.57" x 2.78" x 0.43" (141 x 71 x 11 mm) |
4.48" x 1.96" x 0.51" (114 x 50 x 13 mm) |
4.05" x 1.65" x 0.63" (103 x 42 x 16 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | LTE (Cat 4) | HSPA+ 21 | EVDO r0 | EDGE |
| Features | |||||
| Flashlight | - | Yes | - | - | - |
| GPS / Location | - | n/a | n/a | Yes | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | - | - |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes | - |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| 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 USB Type C |
Yes Micro-USB |
Yes Mini-USB |
Yes |
| Wi-Fi | - | Yes |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | n/a | Yes | Yes |
| Voice Dialing | - | n/a | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | n/a | - | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | - | Yes |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes | Yes |
| Instant Messaging | - | n/a | n/a | Yes * | - |
| MMS | Yes | n/a | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | - | n/a | n/a | Yes | Yes |
| Stereo Speakers | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | Yes | n/a | n/a | - | - |
| Voice Memo | Yes | n/a | n/a | Yes | Yes |
| Software | |||||
| BREW | - | n/a | n/a | Yes * | - |
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes * | Yes |
| Voice | |||||
| HD Voice | - | Yes | - | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | - | - |
| Push-To-Talk | - | - | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | AT&T Vista | Motorola Moto G (GSM, 2nd gen.) | Motorola SLVR L7c | Motorola KRZR K1 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | AT&T Vista | Motorola Moto G (GSM, 2nd gen.) | Motorola SLVR L7c | Motorola KRZR K1 |
