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| Phone | Nokia Lumia 521 / 520 | Sharp Sidekick LX 2009 | BLU Life One X3 | ZTE Savvy | Audiovox CDM-8150X |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
3.2" diag. 16 : 9 |
5.5" diag. 16 : 9 |
4" diag. 5 : 3 |
? |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
854 x 480 pixels (~306 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
? |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,430 mAh | 1,250 mAh | 5,000 mAh | 1,650 mAh | ? |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | ? | 1.3 GHz MediaTek 6753 | 1 GHz Qualcomm MSM8625 | ? |
| RAM | 512 MB | ? | 3 GB | 768 MB | ? |
| Storage | 8 GB | ? raw hardware | 32 GB | 4 GB | ? raw hardware |
| Main Camera | 5 megapixel | 3 megapixel | 13 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | QVGA (320 x 240) | 1080p HD | WVGA / 480p | - |
| Front Camera | - | - | 13 megapixel | - | - |
| Weight |
4.39 oz (124g) |
5.78 oz (164g) |
6.42 oz (182g) |
4.43 oz (126g) |
3.88 oz (110g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.12" x 2.36" x 0.63" (130 x 60 x 16 mm) |
6.02" x 2.97" x 0.35" (153 x 75 x 8.9 mm) |
4.96" x 2.55" x 0.42" (126 x 65 x 10.7 mm) |
4.88" x 1.89" x 0.71" (124 x 48 x 18 mm) |
| Form Factor | Slab | Swivel | Slab | Slab | Slab |
| Platform / OS | Windows | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 7, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | HSPA+ 21 | HSPA 7.2 | LTE (Cat 4) | EVDO rA | 1xRTT |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | - | Yes | Yes | - |
| GPS / Location | n/a | Yes | n/a | n/a | - |
| Accessibility | |||||
| Adjustable Text Size | n/a | Yes | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | - |
| Alerts | |||||
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | - | n/a | n/a | - |
| USB | Yes | Yes |
Yes Micro-USB |
Yes Micro-USB |
- |
| Wi-Fi | Yes | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | n/a | - |
| Ringer ID | n/a | Yes | n/a | n/a | - |
| Voice Dialing | n/a | - | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | n/a | - |
| Custom Ringtones | n/a | Yes | n/a | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | n/a | - | n/a | n/a | - |
| Dual-SIM | - | - | Yes | - | - |
| WAP / Web Browser | n/a | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | - | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | n/a | Yes | n/a | n/a | - |
| Instant Messaging | n/a | Yes | n/a | n/a | - |
| MMS | n/a | Yes | n/a | n/a | - |
| Text Messaging Templates | n/a | Yes | n/a | n/a | - |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes | - |
| Music Player | n/a | Yes | n/a | n/a | - |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | - |
| Calculator | n/a | - | n/a | n/a | Yes |
| Calendar | n/a | Yes | n/a | n/a | Yes |
| To-Do List | n/a | Yes | n/a | n/a | - |
| Voice Memo | n/a | - | n/a | n/a | Yes |
| Software | |||||
| Games | n/a | Yes | n/a | n/a | - |
| Java (J2ME) | n/a | Yes | n/a | n/a | - |
| Voice | |||||
| Headset Jack (2.5 mm) | n/a | - | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| Nokia Lumia 521 / 520 | Sharp Sidekick LX 2009 | BLU Life One X3 | ZTE Savvy | Audiovox CDM-8150X | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | Sharp Sidekick LX 2009 | BLU Life One X3 | ZTE Savvy | Audiovox CDM-8150X |
