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| Phone | Samsung M400 | Samsung SGH-X640 | CAT S48c | Audiovox CDM-8150X |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
5" diag. 16 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
? |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 800 mAh | 4,000 mAh | ? |
| Processor | 400 MHz Qualcomm QSC6155 | ? | 2.2 GHz Qualcomm Snapdragon 630 | ? |
| RAM | 128 MB | ? | 4 GB | ? |
| Storage | 256 MB | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 1 megapixel | Yes | 13 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | 4K UHD | - |
| Front Camera | - | - | 5 megapixel | - |
| Weight |
3.7 oz (105g) |
3 oz (85g) |
9.1 oz (258g) |
3.88 oz (110g) |
| Dimensions |
3.8" x 1.9" x 0.7" (97 x 48 x 17.8 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.9" x 3" x 0.5" (150 x 76 x 12.7 mm) |
4.88" x 1.89" x 0.71" (124 x 48 x 18 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 800, 850, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | 1xRTT | GPRS | LTE (Cat 13) | 1xRTT |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | - | n/a | - |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Adjustable Text Size | Yes | - | n/a | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | - |
| NFC | - | - | Yes | - |
| USB |
Yes Micro-USB |
- |
Yes USB Type C |
- |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | - |
| Ringer ID | Yes | Yes | n/a | - |
| Voice Dialing | Yes | - | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | - |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | - | n/a | - |
| Data & Network | ||||
| 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 |
- |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| EMS / Picture Messaging | - | Yes | n/a | - |
| MMS | Yes | Yes | n/a | - |
| Text Messaging Templates | Yes | Yes | n/a | - |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | - |
| 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 | - |
| Java (J2ME) | - | Yes | n/a | - |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | - | Yes | n/a | Yes |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | - |
| Samsung M400 | Samsung SGH-X640 | CAT S48c | Audiovox CDM-8150X | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung M400 | Samsung SGH-X640 | CAT S48c | Audiovox CDM-8150X |
