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| Phone | Nokia Lumia 900 | Siemens CF75 | ZTE Z432 / Altair 2 | Nokia 6230 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.3" diag. 5 : 3 |
? |
2.4" diag. 4 : 3 |
? |
| Display Resolution & Type |
480 x 800 pixels (~217 ppi) AMOLED |
128 x 160 pixels LCD (STN) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,830 mAh | 600 mAh | 900 mAh | 850 mAh |
| Processor | 1.4 GHz Qualcomm S2 APQ8055 | ? | Qualcomm QSC6270 | ? |
| RAM | 512 MB | ? | 128 MB | ? |
| Storage | 16 GB | ? raw hardware | 256 MB | ? raw hardware |
| Main Camera | 8 megapixel | Yes | 2 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | - | QVGA (320 x 240) | ? |
| Front Camera | 1 megapixel | - | - | - |
| Weight |
5.6 oz (159g) |
3.17 oz (90g) |
3.24 oz (92g) |
3.39 oz (96g) |
| Dimensions |
5.03" x 2.7" x 0.45" (128 x 69 x 11.4 mm) |
3.43" x 1.73" x 1.26" (87 x 44 x 32 mm) |
4.48" x 2.38" x 0.44" (114 x 60 x 11.2 mm) |
4.06" x 1.73" x 0.79" (103 x 44 x 20.1 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Windows | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
GSM: 850, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | EDGE | HSDPA 3.6 | EDGE |
| Features | ||||
| GPS / Location | n/a | - | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | Yes | - |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| Infrared (IR) | - | Yes | - | Yes |
| Mobile Hotspot | n/a | - | - | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | Yes | - | - | - |
| Contacts | ||||
| Picture ID | n/a | - | Yes | Yes |
| Ringer ID | n/a | - | Yes | - |
| Voice Dialing | n/a | - | - | Yes |
| Customization | ||||
| Changeable Body Plates | - | - | - | Yes |
| Custom Graphics | n/a | Yes | Yes | Yes |
| Custom Ringtones | n/a | Yes | - | Yes |
| Real-Music Ringers | n/a | - | Yes | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | - | Yes |
| WAP / Web Browser | n/a | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen |
Yes Capacitive |
- | - | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | Yes | Yes |
| EMS / Picture Messaging | n/a | Yes | - | Yes |
| Instant Messaging | n/a | - | - | - |
| MMS | n/a | Yes | Yes | Yes |
| Text Messaging Templates | n/a | Yes | Yes | Yes |
| Music | ||||
| FM Radio | Yes | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | - | Yes | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | Yes |
| To-Do List | n/a | Yes | - | Yes |
| Voice Memo | n/a | Yes | Yes | Yes |
| Software | ||||
| Games | n/a | Yes | - | Yes |
| Java (J2ME) | n/a | Yes | - | Yes |
| Voice | ||||
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Nokia Lumia 900 | Siemens CF75 | ZTE Z432 / Altair 2 | Nokia 6230 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 900 | Siemens CF75 | ZTE Z432 / Altair 2 | Nokia 6230 |
