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| Phone | Samsung SGH-X820 | Nokia Lumia 521 / 520 | Alcatel REVVL 2 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
220 x 176 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | 650 mAh | 1,430 mAh | 3,000 mAh |
| Processor | ? | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.5 GHz MediaTek MT6739 |
| RAM | ? | 512 MB | 2 GB |
| Storage | ? raw hardware | 8 GB | 32 GB |
| Main Camera | 2 megapixel | 5 megapixel | 13 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | 720p HD | 720p HD |
| Front Camera | - | - | 8 megapixel |
| Weight |
2.33 oz (66g) |
4.39 oz (124g) |
5.11 oz (145g) |
| Dimensions |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.79" x 2.71" x 0.33" (147 x 69 x 8.5 mm) |
| Form Factor | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Windows | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EDGE | HSPA+ 21 | LTE (Cat 4) |
| Features | |||
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | - | - | Yes |
| GPS / Location | - | n/a | n/a |
| Water-Resistant | - | - |
Yes IPX2 (drip) |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a |
| USB | Yes | Yes |
Yes Micro-USB |
| Wi-Fi | - | Yes |
Yes 4 (802.11 b,g,n) |
| Contacts | |||
| Picture ID | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | n/a |
| Voice Dialing | - | n/a | n/a |
| Customization | |||
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a |
| Data & Network | |||
| Data Tethering | - | n/a | n/a |
| External Antenna Jack | Yes | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | Yes | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a |
| Instant Messaging | - | n/a | n/a |
| MMS | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| FM Radio | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Music Player | - | n/a | n/a |
| Photo & Video | |||
| TV Output | Yes | - | - |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | n/a |
| Software | |||
| Games | Yes | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a |
| Voice | |||
| HD Voice | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Samsung SGH-X820 | Nokia Lumia 521 / 520 | Alcatel REVVL 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X820 | Nokia Lumia 521 / 520 | Alcatel REVVL 2 |
