Compare Phones
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| Phone | BlackBerry Z10 (CDMA) | Nokia Lumia 521 / 520 | ZTE Concord II | Siemens CF75 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.2" diag. 5 : 3 |
4" diag. 5 : 3 |
4" diag. 5 : 3 |
? |
| Display Resolution & Type |
768 x 1280 pixels (~355 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,800 mAh | 1,430 mAh | 1,820 mAh | 600 mAh |
| Processor | 1.5 GHz Qualcomm Snapdragon S4 | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.2 GHz Qualcomm MSM8210 | ? |
| RAM | 2 GB | 512 MB | 1 GB | ? |
| Storage | 16 GB | 8 GB | 4 GB | ? raw hardware |
| Main Camera | 8 megapixel | 5 megapixel | 5 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | 720p HD | 720p HD | - |
| Front Camera | 2 megapixel | - | - | - |
| Weight |
4.78 oz (135g) |
4.39 oz (124g) |
4.4 oz (125g) |
3.17 oz (90g) |
| Dimensions |
5.12" x 2.58" x 0.35" (130 x 66 x 9 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm) |
3.43" x 1.73" x 1.26" (87 x 44 x 32 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | BlackBerry 10 | Windows | Android | (proprietary) |
| Network Bands |
4G LTE: 13 WCDMA: 1, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | HSPA+ 21 | HSPA+ 21 | EDGE |
| Features | ||||
| GPS / Location | n/a | n/a | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Infrared (IR) | - | - | - | Yes |
| Mobile Hotspot | n/a | n/a | n/a | - |
| NFC | Yes | - | - | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | n/a | n/a | - |
| Ringer ID | n/a | n/a | n/a | - |
| Voice Dialing | n/a | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | n/a | Yes |
| WAP / Web Browser | n/a | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | n/a | n/a | Yes |
| EMS / Picture Messaging | n/a | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | n/a | - |
| MMS | n/a | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Music Player | n/a | n/a | n/a | - |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| TV Output | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | n/a | Yes |
| Software | ||||
| Games | n/a | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| BlackBerry Z10 (CDMA) | Nokia Lumia 521 / 520 | ZTE Concord II | Siemens CF75 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry Z10 (CDMA) | Nokia Lumia 521 / 520 | ZTE Concord II | Siemens CF75 |
