Compare Phones
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| Phone | Nokia Lumia 521 / 520 | Samsung SGH-X640 | LG Stylo 4 | Siemens M75 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
? |
6.2" diag. 18 : 9 |
? |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2160 pixels (~390 ppi) LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,430 mAh | 800 mAh | 3,300 mAh | 750 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | ? | 1.8 GHz Qualcomm Snapdragon 450 | ? |
| RAM | 512 MB | ? | 2 GB * | ? |
| Storage | 8 GB | ? raw hardware | 32 GB * | ? raw hardware |
| Main Camera | 5 megapixel | Yes | 13 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | - | 1080p HD | ? |
| Front Camera | - | - | 5 megapixel | - |
| Weight |
4.39 oz (124g) |
3 oz (85g) |
6.07 oz (172g) |
3.88 oz (110g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
6.31" x 3.06" x 0.33" (160 x 78 x 8.4 mm) |
4.35" x 2.03" x 0.82" (110 x 52 x 20.8 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Windows | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | HSPA+ 21 | GPRS | LTE (Cat 6) | GPRS |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | - |
| GPS / Location | n/a | - | n/a | - |
| Ruggedized | - | - | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| Mobile Hotspot | n/a | - | n/a | - |
| NFC | - | - | Yes * | - |
| USB | Yes | - |
Yes USB Type C |
Yes |
| Wi-Fi | Yes | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | Yes |
| Voice Dialing | n/a | - | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | - | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | - | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | Yes | - |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | - | n/a | Yes |
| EMS / Picture Messaging | n/a | Yes | n/a | Yes |
| Instant Messaging | n/a | - | n/a | - |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | - |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | - | n/a | Yes |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| To-Do List | n/a | Yes | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | Yes | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | - |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Nokia Lumia 521 / 520 | Samsung SGH-X640 | LG Stylo 4 | Siemens M75 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | Samsung SGH-X640 | LG Stylo 4 | Siemens M75 |
