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| Phone | Nokia Lumia 521 / 520 | Alcatel PulseMix / A50 / A5 | Alcatel 665 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
5.2" diag. 16 : 9 |
1.8" diag. 4 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~282 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,430 mAh | 2,800 mAh | 650 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.5 GHz MT6738 | ? |
| RAM | 512 MB | 2 GB | 16 MB |
| Storage | 8 GB | 16 GB | 32 MB |
| Main Camera | 5 megapixel | 8 megapixel | 2 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | 1080p HD | QCIF (176 x 144) |
| Front Camera | - | 2 megapixel | - |
| Weight |
4.39 oz (124g) |
5.14 oz (146g) |
2.72 oz (77g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.75" x 2.84" x 0.31" (146 x 72 x 7.9 mm) |
3.78" x 1.89" x 0.66" (96 x 48 x 16.8 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | Windows | Android | (proprietary) |
| Network Bands |
4G LTE: 1, 2, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
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| Data Technology | HSPA+ 21 | LTE (Cat 4) | - |
| Features | |||
| Flashlight | - | Yes | - |
| GPS / Location | n/a | n/a | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Extra Display | - | - | Yes |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
| 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 | - |
| 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 | - |
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | n/a | n/a | - |
| Instant Messaging | n/a | n/a | Yes |
| MMS | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| FM Radio | - | Yes | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Music Player | n/a | n/a | 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 | |||
| Games | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | Yes |
| Voice | |||
| HD Voice | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| Nokia Lumia 521 / 520 | Alcatel PulseMix / A50 / A5 | Alcatel 665 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | Alcatel PulseMix / A50 / A5 | Alcatel 665 |
