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| Phone | Samsung SGH-X640 | Ericsson T39 | Motorola Moto X (CDMA, 2nd gen.) | Sharp GX-10 / GX-10i |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
5.2" diag. 16 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
? LCD (Grayscale) |
1080 x 1920 pixels (~424 ppi) AMOLED |
120 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | ? | 2,300 mAh | 720 mAh |
| Processor | ? | ? | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC) | ? |
| RAM | ? | ? | 2 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB * | ? raw hardware |
| Main Camera | Yes | - | 13 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | 4K UHD | - |
| Front Camera | - | - | 2 megapixel | - |
| Weight |
3 oz (85g) |
3.03 oz (86g) |
5.08 oz (144g) |
3.88 oz (110g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.78" x 1.97" x 0.71" (96 x 50 x 18 mm) |
5.54" x 2.85" x 0.39" (141 x 72 x 9.9 mm) |
3.7" x 1.93" x 1.06" (94 x 49 x 26.9 mm) |
| Form Factor | Clamshell | Flip | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | GPRS | GPRS | LTE (Cat 4) | GPRS |
| Features | ||||
| GPS / Location | - | - | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | - |
| Hearing Aid Compatible | - | - |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Infrared (IR) | - | Yes | - | Yes |
| Mobile Hotspot | - | - | n/a | - |
| NFC | - | - | Yes | - |
| USB | - | - |
Yes Micro-USB |
- |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | - | n/a | - |
| Ringer ID | Yes | - | n/a | Yes |
| Voice Dialing | - | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | - | n/a | - |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Messaging | ||||
| Email Client | - | - | n/a | - |
| EMS / Picture Messaging | Yes | - | n/a | - |
| Instant Messaging | - | - | n/a | - |
| MMS | Yes | - | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | - | n/a | - |
| Photo & Video | ||||
| Miracast | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | n/a | - |
| Voice Memo | Yes | Yes | n/a | Yes |
| Software | ||||
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | - | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | n/a | Yes |
| Speaker Phone | Yes | - | Yes | - |
| Samsung SGH-X640 | Ericsson T39 | Motorola Moto X (CDMA, 2nd gen.) | Sharp GX-10 / GX-10i | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Ericsson T39 | Motorola Moto X (CDMA, 2nd gen.) | Sharp GX-10 / GX-10i |
