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| Phone | Samsung SGH-X640 | HTC Pure / Touch Diamond2 | Samsung Galaxy Z Fold2 | LG G3 (CDMA) | Casio G'zOne Boulder |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
3.2" diag. 5 : 3 |
7.6" diag. 4 : 3 |
5.5" diag. 16 : 9 |
2" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
480 x 800 pixels (~292 ppi) LCD (TFT/TFD) |
1768 x 2208 pixels (~372 ppi) AMOLED |
1440 x 2560 pixels (~534 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | 800 mAh | 1,100 mAh | 4,500 mAh | 3,000 mAh | 810 mAh |
| Processor | ? | 528 MHz Qualcomm MSM7201A | 3.1 GHz Qualcomm Snapdragon 865+ | 2.5 GHz Qualcomm Snapdragon 801 | ? |
| RAM | ? | ? | 12 GB | 3 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 256 GB | 32 GB | ? raw hardware |
| Main Camera | Yes | 5 megapixel | 12 megapixel | 13 megapixel | 1 megapixel |
| Wide Camera | - | - | 12 megapixel | - | - |
| Tele Camera | - | - | 12 megapixel | - | - |
| Video Capture | - | CIF (352 x 288) | 4K UHD | 4K UHD | ? |
| Front Camera | - | - | 10 megapixel | 2 megapixel | - |
| Weight |
3 oz (85g) |
4.15 oz (118g) |
9.95 oz (282g) |
5.41 oz (153g) |
4.9 oz (139g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.33" x 2.1" x 0.59" (110 x 53 x 15 mm) |
6.27" x 2.68" x 0.66" (159 x 68 x 16.8 mm) |
5.75" x 2.94" x 0.37" (146 x 75 x 9.4 mm) |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
| Form Factor | Clamshell | Slab | Foldable | Slab | Clamshell |
| Platform / OS | (proprietary) | Windows Mobile Professional | Android | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 25, 41, 66, 71, 260, 261 4G LTE: 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | GPRS | HSPA 7.2 | NR (5G) | LTE (Cat 4) | EVDO rA |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | - | n/a | n/a | n/a | Yes |
| Ruggedized | - | - | - | - | Yes |
| Water-Resistant | - | - | - | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | - |
| Hearing Aid Compatible | - | - | Yes | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes | - |
| Mobile Hotspot | - | n/a | n/a | n/a | - |
| NFC | - | - | Yes | Yes | - |
| USB | - |
Yes Mini-USB |
Yes USB Type C |
Yes Micro-USB |
Yes |
| UWB | - | - | Yes | - | - |
| Wi-Fi | - |
Yes 802.11 b,g |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | n/a | Yes |
| Ringer ID | Yes | n/a | n/a | n/a | Yes |
| Voice Dialing | - | n/a | n/a | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | - | - | Yes |
| Custom Graphics | Yes | n/a | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | Yes |
| WAP / Web Browser | Yes | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | n/a | - |
| MMS | Yes | n/a | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | Yes | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | - | Yes | - |
| Music Player | - | n/a | n/a | n/a | Yes |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| Miracast | - | - | - | Yes | - |
| TV Output | - | - | Yes | Yes | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Wireless Charging | - | - | Yes | Yes * | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | n/a | Yes |
| Software | |||||
| BREW | - | n/a | n/a | n/a | Yes |
| Games | Yes | n/a | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | n/a | - |
| Voice | |||||
| HD Voice | - | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | - |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | HTC Pure / Touch Diamond2 | Samsung Galaxy Z Fold2 | LG G3 (CDMA) | Casio G'zOne Boulder | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | HTC Pure / Touch Diamond2 | Samsung Galaxy Z Fold2 | LG G3 (CDMA) | Casio G'zOne Boulder |
