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| Phone | Samsung SGH-X640 | Sanyo MM-5600 | Cricket Influence / AT&T Maestro Plus | Samsung Galaxy S6 (GSM) | Sony Ericsson K750 / W800 / D750 / W700 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
6.2" diag. 19 : 9 |
5.1" diag. 16 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1520 pixels (~271 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | 800 mAh | 1,000 mAh | 3,300 mAh | 2,550 mAh | 900 mAh |
| Processor | ? | ? | 1.8 GHz Qualcomm Snapdragon 460 | 2.1 GHz Samsung Exynos 7420 | ? |
| RAM | ? | ? | 3 GB | 3 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 32 GB | 32 GB * | ? raw hardware |
| Main Camera | Yes | 1 megapixel | 13 megapixel | 16 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | 1080p HD | 4K UHD | ? |
| Front Camera | - | - | 5 megapixel | 5 megapixel | - |
| Weight |
3 oz (85g) |
4.52 oz (128g) |
6.52 oz (185g) |
4.87 oz (138g) |
3.49 oz (99g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.66" x 1.91" x 1.04" (93 x 49 x 26.4 mm) |
6.28" x 2.99" x 0.35" (160 x 76 x 8.9 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
3.94" x 1.81" x 0.79" (100 x 46 x 20.1 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | GPRS | 1xRTT | LTE (Cat 13) | LTE (Cat 6) | GPRS |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
Yes | - |
| Flashlight | - | Yes | Yes | Yes | Yes |
| GPS / Location | - | Yes | n/a | n/a | - |
| VR-ready | - | - | - | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes | Yes |
| MirrorLink | - | - | - | Yes | - |
| NFC | - | - | - | Yes | - |
| USB | - | Yes |
Yes USB Type C |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | n/a | Yes |
| Voice Dialing | - | Yes | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | Yes | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | - | n/a | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | - | n/a | n/a | Yes |
| EMS / Picture Messaging | Yes | - | n/a | n/a | Yes |
| MMS | Yes | - | n/a | n/a | Yes |
| Text Messaging Templates | Yes | - | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - |
| Music Player | - | Yes | n/a | n/a | Yes |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| Miracast | - | - | - | Yes | - |
| TV Output | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | Yes |
| Calculator | Yes | Yes | n/a | n/a | Yes |
| Calendar | Yes | Yes | n/a | n/a | Yes |
| To-Do List | Yes | Yes | n/a | n/a | Yes |
| Voice Memo | Yes | Yes | n/a | n/a | Yes |
| Software | |||||
| Games | Yes | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | Yes | n/a | n/a | Yes |
| Voice | |||||
| Call Screening | - | Yes | - | - | - |
| HD Voice | - | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a | - |
| Push-To-Talk | - | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Sanyo MM-5600 | Cricket Influence / AT&T Maestro Plus | Samsung Galaxy S6 (GSM) | Sony Ericsson K750 / W800 / D750 / W700 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Sanyo MM-5600 | Cricket Influence / AT&T Maestro Plus | Samsung Galaxy S6 (GSM) | Sony Ericsson K750 / W800 / D750 / W700 |
