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| Phone | Samsung SGH-X640 | LG Lucid 2 | Samsung Glyde U940 | Nokia 6650 fold |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4.3" diag. 16 : 9 |
2.8" diag. 16.5 : 9 |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
240 x 440 pixels (~182 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 800 mAh | 2,460 mAh | 1,000 mAh | 1,500 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon S4 Plus MSM8960 | ? | 369 MHz ARM 11 |
| RAM | ? | 1 GB | ? | ? |
| Storage | ? raw hardware | 8 GB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 5 megapixel | 2 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | QVGA (320 x 240) | QVGA (320 x 240) |
| Front Camera | - | 1 megapixel | - | - |
| Weight |
3 oz (85g) |
4.55 oz (129g) |
4.2 oz (119g) |
3.95 oz (112g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.82" x 2.51" x 0.39" (122 x 64 x 9.8 mm) |
4.09" x 1.98" x 0.71" (104 x 50 x 18 mm) |
3.93" x 1.86" x 0.64" (100 x 47 x 16.2 mm) |
| Form Factor | Clamshell | Slab | Slide | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) | S60 (Symbian) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 13 CDMA: 850, 1900 |
CDMA: 850, 1900 |
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| Data Technology | GPRS | LTE (Cat 3) | EVDO r0 | HSDPA 3.6 |
| Features | ||||
| GPS / Location | - | n/a | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | - | n/a |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | - | n/a |
| USB | - |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | n/a |
| Voice Dialing | - | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
Yes | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | - | n/a |
| EMS / Picture Messaging | Yes | n/a | - | n/a |
| Instant Messaging | - | n/a | - | n/a |
| MMS | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | - | n/a | Yes | n/a |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Power | ||||
| Wireless Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | Yes | n/a | - | n/a |
| Voice Memo | 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 | ||||
| Headset Jack (2.5 mm) | Yes | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | LG Lucid 2 | Samsung Glyde U940 | Nokia 6650 fold | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | LG Lucid 2 | Samsung Glyde U940 | Nokia 6650 fold |
