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| Phone | Nokia Lumia 521 / 520 | BLU Life One X3 | Sharp Sidekick LX 2009 | Kyocera DuraForce | PCD Chaser |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
5.5" diag. 16 : 9 |
3.2" diag. 16 : 9 |
4.5" diag. 16 : 9 |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) |
854 x 480 pixels (~306 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 1,430 mAh | 5,000 mAh | 1,250 mAh | 3,100 mAh | 1,450 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.3 GHz MediaTek 6753 | ? | 1.4 GHz Qualcomm Snapdragon 400 (MSM8928) | 800 MHz Qualcomm MSM7627T |
| RAM | 512 MB | 3 GB | ? | 2 GB | 512 MB |
| Storage | 8 GB | 32 GB | ? raw hardware | 16 GB | 512 MB |
| Main Camera | 5 megapixel | 13 megapixel | 3 megapixel | 8 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | 1080p HD | QVGA (320 x 240) | 1080p HD | ? |
| Front Camera | - | 13 megapixel | - | 2 megapixel | - |
| Weight |
4.39 oz (124g) |
6.42 oz (182g) |
5.78 oz (164g) |
7.06 oz (200g) |
4.2 oz (119g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
6.02" x 2.97" x 0.35" (153 x 75 x 8.9 mm) |
5.12" x 2.36" x 0.63" (130 x 60 x 16 mm) |
5.39" x 2.78" x 0.55" (137 x 71 x 14 mm) |
4.5" x 2.25" x 0.52" (114 x 57 x 13.2 mm) |
| Form Factor | Slab | Slab | Swivel | Slab | Slab |
| Platform / OS | Windows | Android | (proprietary) | Android | Android |
| Network Bands |
4G LTE: 1, 2, 3, 4, 7, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
CDMA: 1900 |
||
| Data Technology | HSPA+ 21 | LTE (Cat 4) | HSPA 7.2 | LTE (Cat 3) | EVDO rA |
| Features | |||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - | - |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | n/a | n/a | Yes | n/a | n/a |
| Ruggedized | - | - | - | Yes | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | Yes | n/a | n/a |
| Hearing Aid Compatible | Yes | - | Yes | Yes | Yes |
| Multiple Languages | n/a | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes |
Yes Classic Audio |
Yes Classic Audio |
Yes |
| Mobile Hotspot | n/a | n/a | - | n/a | n/a |
| NFC | - | - | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | Yes |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 802.11 b,g |
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | n/a | - | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | n/a | Yes | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | n/a | - | n/a | n/a |
| Dual-SIM | - | Yes | - | - | - |
| WAP / Web Browser | n/a | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | n/a | - | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | Yes | Yes | - | Yes | Yes |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | n/a | Yes | n/a | n/a |
| MMS | n/a | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes | Yes |
| Music Player | n/a | n/a | Yes | n/a | n/a |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| Miracast | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | Yes | - | - | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | n/a | Yes | n/a | n/a |
| Calculator | n/a | n/a | - | n/a | n/a |
| Calendar | n/a | n/a | Yes | n/a | n/a |
| To-Do List | n/a | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | n/a | - | n/a | n/a |
| Software | |||||
| Games | n/a | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a | n/a |
| Voice | |||||
| Push-To-Talk | - | - | - | Yes * | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Nokia Lumia 521 / 520 | BLU Life One X3 | Sharp Sidekick LX 2009 | Kyocera DuraForce | PCD Chaser | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | BLU Life One X3 | Sharp Sidekick LX 2009 | Kyocera DuraForce | PCD Chaser |
