Compare Phones
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| Phone | Siemens CF75 | Ericsson R520 | Sony Ericsson Z500 | Nokia Lumia 521 / 520 | Sony Ericsson Z520 / Z525 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Not yet released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? |
4" diag. 5 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
? |
128 x 160 pixels LCD (STN) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 600 mAh | ? | ? | 1,430 mAh | ? |
| Processor | ? | ? | ? | 1 GHz Qualcomm Snapdragon S4 MSM8270 | ? |
| RAM | ? | ? | ? | 512 MB | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | Yes | - | Yes | 5 megapixel | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | ? | 720p HD | ? |
| Front Camera | - | - | - | - | - |
| Weight |
3.17 oz (90g) |
4.23 oz (120g) |
3.88 oz (110g) |
4.39 oz (124g) |
3.46 oz (98g) |
| Dimensions |
3.43" x 1.73" x 1.26" (87 x 44 x 32 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
3.66" x 1.93" x 0.94" (93 x 49 x 23.9 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Windows | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
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| Data Technology | EDGE | GPRS | EDGE | HSPA+ 21 | GPRS |
| Features | |||||
| GPS / Location | - | - | - | n/a | - |
| Accessibility | |||||
| Hearing Aid Compatible | - | - | - | Yes | - |
| Multiple Languages | Yes | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | Yes |
| Ringer Profiles | - | Yes | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | - | Yes | Yes |
| Infrared (IR) | Yes | Yes | - | - | Yes |
| Mobile Hotspot | - | - | - | n/a | - |
| USB | Yes | - | Yes | Yes | Yes |
| Wi-Fi | - | - | - | Yes | - |
| Contacts | |||||
| Picture ID | - | - | Yes | n/a | Yes |
| Ringer ID | - | - | Yes | n/a | Yes |
| Voice Dialing | - | Yes | Yes | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | Yes | - | Yes |
| Custom Graphics | Yes | - | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | - | - | n/a | Yes |
| Data & Network | |||||
| Data Tethering | Yes | Yes | Yes | n/a | Yes |
| WAP / Web Browser | Yes | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - | Yes | - |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | - |
| Messaging | |||||
| Email Client | Yes | - | Yes | n/a | Yes |
| EMS / Picture Messaging | Yes | - | Yes | n/a | Yes |
| Instant Messaging | - | - | Yes | n/a | - |
| MMS | Yes | - | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | Yes | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | - |
| Music Player | - | - | - | n/a | - |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | Yes | n/a | Yes |
| Voice Memo | Yes | Yes | Yes | n/a | Yes |
| Software | |||||
| Games | Yes | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | - | Yes | n/a | Yes |
| Voice | |||||
| Push-To-Talk | Yes | - | Yes * | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Siemens CF75 | Ericsson R520 | Sony Ericsson Z500 | Nokia Lumia 521 / 520 | Sony Ericsson Z520 / Z525 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens CF75 | Ericsson R520 | Sony Ericsson Z500 | Nokia Lumia 521 / 520 | Sony Ericsson Z520 / Z525 |
