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| Phone | LG Tritan AX-840 / UX-840 | Samsung Galaxy Express 3 / Galaxy Amp 2 / Luna | Samsung Juke U470 | Samsung Chrono |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3" diag. 5 : 3 |
4.5" diag. 5 : 3 |
? |
2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 400 pixels (~155 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~207 ppi) AMOLED |
128 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 950 mAh | 2,050 mAh | 750 mAh | ? |
| Processor | ? | 1.3 GHz Island | ? | ? |
| RAM | ? | 1 GB | ? | ? |
| Storage | ? raw hardware | 8 GB * | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | Yes | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 720p HD | - | - |
| Front Camera | - | 2 megapixel | - | - |
| Weight |
5.03 oz (143g) |
4.62 oz (131g) |
2.82 oz (80g) |
3.14 oz (89g) |
| Dimensions |
4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm) |
5.22" x 2.73" x 0.35" (133 x 69 x 8.9 mm) |
3.82" x 1.18" x 0.83" (97 x 30 x 21 mm) |
3.7" x 1.83" x 0.67" (94 x 46 x 17 mm) |
| Form Factor | Slide | Slab | Swivel | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | EVDO r0 | LTE (Cat 3) | 1xRTT | 1xRTT |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | Yes | n/a | Yes | Yes |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | Yes | - |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Mobile Hotspot | - | n/a | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | Yes | Yes |
| Voice Dialing | Yes | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | - | n/a | - | - |
| WAP / Web Browser | Yes | n/a | - | Yes |
| Input | ||||
| Predictive Text Entry | - | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | Yes | Yes | - | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | Yes | n/a | - | Yes |
| Instant Messaging | Yes | n/a | - | - |
| MMS | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | Yes | n/a | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| Voice Memo | Yes | n/a | - | Yes |
| Software | ||||
| BREW | Yes | n/a | Yes | Yes |
| Games | Yes | n/a | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| LG Tritan AX-840 / UX-840 | Samsung Galaxy Express 3 / Galaxy Amp 2 / Luna | Samsung Juke U470 | Samsung Chrono | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG Tritan AX-840 / UX-840 | Samsung Galaxy Express 3 / Galaxy Amp 2 / Luna | Samsung Juke U470 | Samsung Chrono |
