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| Phone | Samsung SGH-E640 | Samsung SPH-A520 | Samsung SCH-A990 | TCL 40 XL / Jitterbug Smart 4 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
6.8" diag. 20 : 9 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
? LCD (STN) |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1600 pixels (~260 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 90 Hz |
| Battery | 800 mAh | ? | 1,000 mAh | 5,000 mAh |
| Processor | ? | ? | ? | 2.3 GHz MediaTek Helio G37 |
| RAM | ? | ? | ? | 4 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB |
| Main Camera | 1 megapixel | - | 3 megapixel | 50 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | ? | 1080p HD |
| Front Camera | - | - | - | 8 megapixel |
| Weight |
3.17 oz (90g) |
3.6 oz (102g) |
4.4 oz (125g) |
6.88 oz (195g) |
| Dimensions |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
3.46" x 1.83" x 0.91" (88 x 46 x 23.1 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
6.61" x 3.01" x 0.35" (168 x 76 x 8.8 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | EVDO r0 | LTE (Cat 6) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - | Yes |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | - | Yes | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| USB | Yes | - | Yes |
Yes USB Type C |
| Wi-Fi | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | n/a |
| Voice Dialing | - | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | Yes | - | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | - | - | n/a |
| EMS / Picture Messaging | Yes | - | Yes | n/a |
| MMS | Yes | - | Yes | n/a |
| Text Messaging Templates | Yes | - | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | - | Yes | n/a |
| Stereo Speakers | - | - | Yes | Yes |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | Yes | Yes | - | n/a |
| Voice Memo | Yes | Yes | Yes | n/a |
| Software | ||||
| BREW | - | - | Yes | n/a |
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | - | - | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | - | Yes | - | n/a |
| Speaker Phone | Yes | - | Yes | Yes |
| Samsung SGH-E640 | Samsung SPH-A520 | Samsung SCH-A990 | TCL 40 XL / Jitterbug Smart 4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-E640 | Samsung SPH-A520 | Samsung SCH-A990 | TCL 40 XL / Jitterbug Smart 4 |
