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| Phone | Samsung Rugby 4 | Sharp TM100 | LG K20 / Harmony / Grace | Sony Ericsson K850 | Ericsson R278d |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
5.3" diag. 16 : 9 |
2.2" diag. 4 : 3 |
? |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~277 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 1,300 mAh | 780 mAh | 2,800 mAh | ? | ? |
| Processor | Intel XMM6230 | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | ? | ? |
| RAM | 128 MB | ? | 1.5 GB | ? | ? |
| Storage | 256 MB | ? raw hardware | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | Yes | 8 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | ? | 1080p HD | ? | - |
| Front Camera | - | - | 5 megapixel | - | - |
| Weight |
5.22 oz (148g) |
3.7 oz (105g) |
5 oz (142g) |
4.2 oz (119g) |
9.28 oz (263g) |
| Dimensions |
4.25" x 2.17" x 0.85" (108 x 55 x 21.6 mm) |
3.94" x 1.93" x 0.76" (100 x 49 x 19.3 mm) |
5.9" x 3" x 0.3" (150 x 76 x 7.6 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
| Form Factor | Clamshell | Slide | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
| Data Technology | HSPA+ 21 | GPRS | LTE (Cat 4) | HSDPA 3.6 | - |
| Features | |||||
| Flashlight | - | - | Yes | - | - |
| GPS / Location | Yes | - | n/a | - | - |
| Ruggedized | Yes | - | - | - | - |
| Water-Resistant |
Yes IPX7 (snorkeling) |
- | - | - | - |
| Accessibility | |||||
| Adjustable Text Size | Yes | - | n/a | - | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | Yes | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | - |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | Yes | Yes | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | - |
| Infrared (IR) | - | Yes | - | - | - |
| NFC | - | - | Yes * | - | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | - |
| Ringer ID | Yes | Yes | n/a | Yes | - |
| Voice Dialing | Yes | - | n/a | Yes | - |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | - |
| Custom Ringtones | Yes | Yes | n/a | Yes | Yes |
| Real-Music Ringers | Yes | - | n/a | Yes | - |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | Yes | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | Yes | Yes | n/a | Yes | - |
| EMS / Picture Messaging | - | Yes | n/a | - | - |
| MMS | Yes | Yes | n/a | Yes | - |
| Text Messaging Templates | Yes | Yes | n/a | Yes | - |
| Music | |||||
| FM Radio | - | - | Yes | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | Yes | - | n/a | Yes | - |
| Photo & Video | |||||
| Video Calling | - | - | n/a | Yes * | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | Yes |
| Calculator | Yes | Yes | n/a | Yes | - |
| Calendar | Yes | Yes | n/a | Yes | - |
| To-Do List | Yes | - | n/a | Yes | - |
| Voice Memo | Yes | Yes | n/a | Yes | - |
| Software | |||||
| Games | Yes | Yes | n/a | Yes | - |
| Java (J2ME) | Yes | Yes | n/a | Yes | - |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Push-To-Talk | Yes | - | - | - | - |
| Speaker Phone | Yes | - | Yes | Yes | - |
| * Some versions only | |||||
| Samsung Rugby 4 | Sharp TM100 | LG K20 / Harmony / Grace | Sony Ericsson K850 | Ericsson R278d | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Rugby 4 | Sharp TM100 | LG K20 / Harmony / Grace | Sony Ericsson K850 | Ericsson R278d |
