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| Phone | LG Quantum | Nokia Lumia 820 | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
4.3" diag. 5 : 3 |
? |
| Display Resolution & Type |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | 1,500 mAh | 1,650 mAh | 1,000 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S1 QSD8250 | 1.5 GHz Qualcomm Snapdragon S4 | ? |
| RAM | ? | 1 GB | ? |
| Storage | 16 GB | 8 GB | ? raw hardware |
| Main Camera | 5 megapixel | 8 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | 1080p HD | ? |
| Front Camera | - | Yes | - |
| Weight |
6.21 oz (176g) |
5.64 oz (160g) |
4.4 oz (125g) |
| Dimensions |
4.7" x 2.34" x 0.6" (119 x 59 x 15.2 mm) |
4.87" x 2.7" x 0.39" (124 x 69 x 9.9 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Slide | Slab | Clamshell |
| Platform / OS | Windows | Windows | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 4, 5, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSPA 7.2 | LTE (Cat 3) | EVDO r0 |
| Features | |||
| Flashlight | - | - | Yes |
| GPS / Location | n/a | n/a | Yes |
| Accessibility | |||
| Adjustable Text Size | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - |
| NFC | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | Yes |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | |||
| Picture ID | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | Yes |
| Customization | |||
| Custom Graphics | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | Yes |
| Data & Network | |||
| Data Tethering | n/a | n/a | Yes |
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | n/a | n/a | - |
| EMS / Picture Messaging | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | - |
| MMS | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| FM Radio | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - |
| Music Player | n/a | n/a | Yes |
| Stereo Speakers | - | - | Yes |
| Photo & Video | |||
| TV Output | - | - | Yes |
| Power | |||
| Wireless Charging | - | Yes * | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| To-Do List | n/a | n/a | - |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| BREW | n/a | n/a | Yes |
| Games | n/a | n/a | Yes |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| LG Quantum | Nokia Lumia 820 | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG Quantum | Nokia Lumia 820 | Samsung SCH-A990 |
