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| Phone | Samsung SGH-X640 | Kyocera DuraXE Epic / DuraXA Equip | BlackBerry Storm2 9550 | Samsung Glyde U940 | TCL REVVL 5G |
| Current U.S. Carriers | (none) | US Cellular | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.6" diag. 4 : 3 |
3.3" diag. 4 : 3 |
2.8" diag. 16.5 : 9 |
6.5" diag. 19.5 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
360 x 480 pixels (~185 ppi) LCD (TFT/TFD) |
240 x 440 pixels (~182 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~395 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | 1,770 mAh | 1,400 mAh | 1,000 mAh | 4,500 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon 215 | ? | ? | 2.4 GHz Qualcomm Snapdragon 765 |
| RAM | ? | 2 GB | ? | ? | 6 GB |
| Storage | ? raw hardware | 16 GB | ? raw hardware | ? raw hardware | 256 GB |
| Main Camera | Yes | 5 megapixel | 3 megapixel | 2 megapixel | 48 megapixel |
| Wide Camera | - | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 720p HD | ? | QVGA (320 x 240) | 4K UHD |
| Front Camera | - | - | - | - | 16 megapixel |
| Weight |
3 oz (85g) |
6.8 oz (193g) |
5.64 oz (160g) |
4.2 oz (119g) |
7.58 oz (215g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.36" x 2.22" x 1.07" (111 x 56 x 27.2 mm) |
4.43" x 2.45" x 0.55" (113 x 62 x 14 mm) |
4.09" x 1.98" x 0.71" (104 x 50 x 18 mm) |
6.51" x 3" x 0.37" (165 x 76 x 9.4 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slide | Slab |
| Platform / OS | (proprietary) | (proprietary) | BlackBerry OS | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 14, 66 WCDMA: 1, 2, 4, 5 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
5G: 2, 25, 41, 66, 71 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | LTE (Cat 4) | EVDO rA | EVDO r0 | NR (5G) |
| Features | |||||
| Barometer | - | Yes | - | - | - |
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | Yes | - | - | Yes |
| GPS / Location | - | Yes | n/a | Yes | n/a |
| Ruggedized | - | Yes | - | - | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - | - |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | n/a | - | n/a |
| Hearing Aid Compatible | - | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | Yes | n/a | - | n/a |
| NFC | - | - | - | - | Yes |
| USB | - |
Yes USB Type C |
Yes | Yes |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 802.11 b,g |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | Yes | n/a | Yes | n/a |
| Voice Dialing | - | Yes | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | Yes | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | Yes | n/a |
| WAP / Web Browser | Yes | Yes | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - | - | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | Yes | n/a | - | n/a |
| EMS / Picture Messaging | Yes | - | n/a | - | n/a |
| Instant Messaging | - | - | n/a | - | n/a |
| MMS | Yes | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | Yes | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | - | Yes | n/a | Yes | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | n/a |
| Calculator | Yes | Yes | n/a | Yes | n/a |
| Calendar | Yes | Yes | n/a | Yes | n/a |
| To-Do List | Yes | - | n/a | - | n/a |
| Voice Memo | Yes | Yes | n/a | - | n/a |
| Software | |||||
| BREW | - | - | n/a | Yes | n/a |
| Games | Yes | - | n/a | Yes | n/a |
| Java (J2ME) | Yes | - | n/a | - | n/a |
| Voice | |||||
| HD Voice | - | Yes | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a | Yes | n/a |
| Push-To-Talk | - | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Kyocera DuraXE Epic / DuraXA Equip | BlackBerry Storm2 9550 | Samsung Glyde U940 | TCL REVVL 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Kyocera DuraXE Epic / DuraXA Equip | BlackBerry Storm2 9550 | Samsung Glyde U940 | TCL REVVL 5G |
