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| Phone | LG VX-5400 | Samsung SCH-A990 | LG Optimus L90 | Asus PadFone X |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
? |
4.7" diag. 16 : 9 |
5" diag. 16 : 9 |
| Display Resolution & Type |
160 x 128 pixels (~116 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
540 x 960 pixels (~234 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | 1,000 mAh | 2,460 mAh | 2,300 mAh |
| Processor | ? | ? | 1.2 GHz Qualcomm Snapdragon 400 MSM8226 | 2.3 GHz Qualcomm Snapdragon 800 |
| RAM | ? | ? | 1 GB | 2 GB |
| Storage | ? raw hardware | ? raw hardware | 8 GB | 16 GB |
| Main Camera | Yes | 3 megapixel | 5 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | 1080p HD | 4K UHD |
| Front Camera | - | - | Yes | 2 megapixel |
| Weight |
3.21 oz (91g) |
4.4 oz (125g) |
4.37 oz (124g) |
5.29 oz (150g) |
| Dimensions |
3.54" x 1.87" x 0.89" (90 x 47 x 22.6 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.18" x 2.6" x 0.38" (132 x 66 x 9.7 mm) |
5.67" x 2.85" x 0.39" (144 x 72 x 10 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 17 WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | EVDO r0 | HSPA+ 21 | LTE (Cat 4) |
| Features | ||||
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | Yes | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very 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 | Yes |
| Infrared (IR) | - | - | Yes | - |
| Mobile Hotspot | - | - | n/a | n/a |
| NFC | - | - | - | Yes |
| USB | - | Yes | Yes |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,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 | Yes | Yes | 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 |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a |
| Text Messaging Templates | - | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | Yes | n/a | n/a |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| Miracast | - | - | - | Yes |
| TV Output | - | Yes | - | - |
| Power | ||||
| Wireless Charging | - | - | - | 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 | - | - | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| BREW | Yes | Yes | n/a | n/a |
| Games | Yes | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| LG VX-5400 | Samsung SCH-A990 | LG Optimus L90 | Asus PadFone X | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG VX-5400 | Samsung SCH-A990 | LG Optimus L90 | Asus PadFone X |
