Compare Phones
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| Phone | Samsung SGH-X640 | Sony Xperia Pro | Sanyo SCP-3810 / Mirro | Kyocera DuraXV / DuraXV Plus / DuraXA | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | 
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | 6.5" diag. 21 : 9 | 2.4" diag. 4 : 3 | 2.4" diag. 4 : 3 | 
| Display Resolution & Type | 128 x 160 pixels LCD (TFT/TFD) | 1644 x 3840 pixels (~643 ppi) AMOLED | 240 x 320 pixels (~167 ppi) LCD (TFT/TFD) | 240 x 320 pixels (~167 ppi) LCD (TFT/TFD) | 
| Display Refresh | ? | 60 Hz | ? | ? | 
| Battery | 800 mAh | 4,000 mAh | 1,000 mAh | 1,500 mAh | 
| Processor | ? | Qualcomm Snapdragon 865 | ? | Qualcomm QSC6185 | 
| RAM | ? | 12 GB | ? | 256 MB | 
| Storage | ? raw hardware | 512 GB | ? raw hardware | 512 MB | 
| Main Camera | Yes | 12 megapixel | 1 megapixel | 5 megapixel | 
| Wide Camera | - | 12 megapixel | - | - | 
| Tele Camera | - | 12 megapixel | - | - | 
| Video Capture | - | 4K UHD | - | QVGA (320 x 240) | 
| Front Camera | - | 8 megapixel | - | - | 
| Weight | 3 oz (85g) | 7.94 oz (225g) | 3.97 oz (112g) | 5.6 oz (159g) | 
| Dimensions | 3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) | 6.7" x 3" x 0.4" (170 x 76 x 10.2 mm) | 3.82" x 2.01" x 0.71" (97 x 51 x 18.1 mm) | 4.13" x 2.15" x 0.98" (105 x 55 x 24.9 mm) | 
| Form Factor | Clamshell | Slab | Clamshell | Clamshell | 
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) | 
| Network Bands | GSM: 900, 1800, 1900 | 5G: 2, 5, 66, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 | CDMA: 850, 1900 | |
| Data Technology | GPRS | NR (5G) | 1xRTT | EVDO rA | 
| Features | ||||
| Fingerprint Reader | - | Yes stand-alone | - | - | 
| Flashlight | - | Yes | - | Yes | 
| GPS / Location | - | n/a | Yes | Yes | 
| Ruggedized | - | - | - | Yes | 
| Water-Resistant | - | Yes IPX8 (SCUBA) | - | Yes IPX8 (SCUBA) | 
| Accessibility | ||||
| Adjustable Text Size | - | n/a | Yes | Yes | 
| Hearing Aid Compatible | - | Yes | Yes | Yes | 
| Multiple Languages | Yes | n/a | Yes | Yes | 
| TTY/TDD (Digital) | - | Yes | Yes | Yes | 
| Alerts | ||||
| Extra Display | - | - | Yes | Yes | 
| Connectivity | ||||
| Bluetooth | - | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| NFC | - | Yes | - | - | 
| USB | - | Yes USB Type C | Yes Micro-USB | Yes Micro-USB | 
| Wi-Fi | - | Yes 6 (802.11 a,ac,ax,b,g,n) | - | - | 
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | Yes | 
| Ringer ID | Yes | n/a | Yes | Yes | 
| Voice Dialing | - | n/a | Yes | Yes | 
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | Yes | 
| Custom Ringtones | Yes | n/a | Yes | Yes | 
| Real-Music Ringers | - | n/a | Yes | Yes | 
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | - | 
| Dual-SIM | - | Yes | - | - | 
| WAP / Web Browser | Yes | n/a | Yes | Yes | 
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes | 
| Side Keys | Yes | Yes | Yes | Yes | 
| Touch Screen | - | Yes | - | - | 
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes | 
| Messaging | ||||
| Email Client | - | n/a | Yes | - | 
| EMS / Picture Messaging | Yes | n/a | - | - | 
| Instant Messaging | - | n/a | Yes | - | 
| MMS | Yes | n/a | - | Yes | 
| Text Messaging Templates | Yes | n/a | Yes | Yes | 
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes | 
| Music Player | - | n/a | - | Yes | 
| Stereo Speakers | - | Yes | - | - | 
| Photo & Video | ||||
| TV Output | - | Yes | - | - | 
| Power | ||||
| Fast Charging | - | Yes | - | - | 
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes | 
| Calculator | Yes | n/a | Yes | Yes | 
| Calendar | Yes | n/a | Yes | Yes | 
| To-Do List | Yes | n/a | Yes | - | 
| Voice Memo | Yes | n/a | Yes | Yes | 
| Software | ||||
| BREW | - | n/a | - | Yes | 
| Games | Yes | n/a | Yes | Yes | 
| Java (J2ME) | Yes | n/a | Yes | - | 
| Voice | ||||
| HD Voice | - | Yes | - | - | 
| Headset Jack (2.5 mm) | Yes | n/a | Yes | - | 
| Push-To-Talk | - | - | - | Yes * | 
| Speaker Phone | Yes | Yes | Yes | Yes | 
| * Some versions only | ||||
| Samsung SGH-X640 | Sony Xperia Pro | Sanyo SCP-3810 / Mirro | Kyocera DuraXV / DuraXV Plus / DuraXA | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  | |
| Phone | Samsung SGH-X640 | Sony Xperia Pro | Sanyo SCP-3810 / Mirro | Kyocera DuraXV / DuraXV Plus / DuraXA | 
 







