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| Phone | Samsung MM-A940 | Samsung SCH-A645 | LG Tribute HD | Samsung Sidekick 4G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
5" diag. 16 : 9 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | ? | 1,000 mAh | 2,100 mAh | ? |
| Processor | ? | ? | 1.3 GHz Qualcomm Snapdragon 212 (MSM8909) | 1 GHz Samsung Hummingbird Cortex A8 |
| RAM | ? | ? | 1.5 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware |
| Main Camera | 2 megapixel | - | 8 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | 720p HD | WVGA / 480p |
| Front Camera | - | - | 5 megapixel | Yes |
| Weight |
4.9 oz (139g) |
3.2 oz (91g) |
4.41 oz (125g) |
5.7 oz (162g) |
| Dimensions |
3.68" x 1.83" x 1.01" (93 x 46 x 25.7 mm) |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
5.7" x 2.81" x 0.27" (145 x 71 x 6.9 mm) |
5" x 2.42" x 0.6" (127 x 61 x 15.2 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slide |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 4, 5, 12, 25, 26, 41 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | 1xRTT | LTE (Cat 4) | HSPA+ 21 |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | Yes | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a |
| USB | - | - |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | - | n/a | n/a |
| Voice Dialing | Yes | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | - | n/a | n/a |
| WAP / Web Browser | Yes | Yes * | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | 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 | - | - | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | Yes | - | n/a | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | Yes | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| BREW | - | Yes * | n/a | n/a |
| Games | Yes | Yes * | n/a | n/a |
| Java (J2ME) | Yes | - | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung MM-A940 | Samsung SCH-A645 | LG Tribute HD | Samsung Sidekick 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung MM-A940 | Samsung SCH-A645 | LG Tribute HD | Samsung Sidekick 4G |
