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| Phone | Samsung SGH-X640 | LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus | BlackBerry Classic (CDMA) | Nokia 6275i | Samsung Galaxy J2 / J2 Pure / J2 Dash |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
6.1" diag. 19.5 : 9 |
3.5" diag. 1 : 1 |
? |
5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
720 x 720 pixels (~291 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? | 60 Hz |
| Battery | 800 mAh | 3,500 mAh | 2,515 mAh | 1,150 mAh | 2,600 mAh |
| Processor | ? | 2 GHz MediaTek Helio P22 (MT6762) | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | ? | 1.4 GHz Samsung Exynos 7570 |
| RAM | ? | 3 GB * | 2 GB | ? | 2 GB |
| Storage | ? raw hardware | 32 GB | 16 GB | ? raw hardware | 16 GB |
| Main Camera | Yes | 13 megapixel | 8 megapixel | 2 megapixel | 8 megapixel |
| Wide Camera | - | 5 megapixel | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | 1080p HD | ? | 1080p HD |
| Front Camera | - | 8 megapixel | 2 megapixel | - | 5 megapixel |
| Weight |
3 oz (85g) |
6.1 oz (173g) |
6.28 oz (178g) |
3.7 oz (105g) |
5.43 oz (154g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
6.15" x 2.92" x 0.34" (156 x 74 x 8.6 mm) |
5.16" x 2.85" x 0.4" (131 x 72 x 10.2 mm) |
4.29" x 1.69" x 0.67" (109 x 43 x 17 mm) |
5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | BlackBerry 10 | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 3, 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | GPRS | LTE (Cat 6) | LTE (Cat 3) | 1xRTT | LTE (Cat 4) |
| Features | |||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - | - |
| Flashlight | - | Yes | - | - | Yes |
| GPS / Location | - | n/a | n/a | Yes | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | - | n/a |
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes | - |
| Mobile Hotspot | - | n/a | n/a | - | n/a |
| NFC | - | - | Yes | - | - |
| USB | - |
Yes USB Type C |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | n/a | Yes | n/a |
| Voice Dialing | - | n/a | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | - | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | - | n/a |
| Instant Messaging | - | n/a | n/a | - | n/a |
| MMS | Yes | n/a | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | Yes | Yes | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | - | n/a | n/a | Yes | n/a |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Miracast | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | n/a |
| Calculator | Yes | n/a | n/a | Yes | n/a |
| Calendar | Yes | n/a | n/a | Yes | n/a |
| To-Do List | Yes | n/a | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | n/a | Yes | n/a |
| Software | |||||
| BREW | - | n/a | n/a | Yes * | n/a |
| Games | Yes | n/a | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | n/a | Yes * | n/a |
| Voice | |||||
| HD Voice | - | Yes | - | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus | BlackBerry Classic (CDMA) | Nokia 6275i | Samsung Galaxy J2 / J2 Pure / J2 Dash | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus | BlackBerry Classic (CDMA) | Nokia 6275i | Samsung Galaxy J2 / J2 Pure / J2 Dash |
