Compare Phones
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| Phone | ZTE Z431 / Altair | Siemens C56 | Pantech C630 | Motorola Citrus | Samsung MM-A900 / SPH-A900 / Ace |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
1.8" diag. 4 : 3 |
3" diag. 4 : 3 |
? |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
101 x 64 pixels |
176 x 220 pixels (~160 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~133 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 700 mAh | 930 mAh | 1,150 mAh | ? |
| Processor | ? | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | - | 1 megapixel | 3 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | - | QCIF (176 x 144) | CIF (352 x 288) | ? |
| Front Camera | - | - | - | - | - |
| Weight |
3.52 oz (100g) |
3 oz (85g) |
2.77 oz (79g) |
3.88 oz (110g) |
3.9 oz (111g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
3.98" x 1.73" x 0.83" (101 x 44 x 21.1 mm) |
4.1" x 1.7" x 0.46" (104 x 43 x 11.7 mm) |
4.09" x 2.32" x 0.59" (104 x 59 x 15 mm) |
3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | ? | GPRS | HSDPA 3.6 | EVDO r0 | EVDO r0 |
| Features | |||||
| GPS / Location | Yes | Yes | Yes | n/a | Yes |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- | - | - | - |
| Multiple Languages | Yes | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | - | - | Yes |
| Ringer Profiles | Yes | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | Yes |
| USB |
Yes Micro-USB |
Yes | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
- |
| Contacts | |||||
| Picture ID | Yes | - | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | Yes | n/a | Yes |
| Voice Dialing | - | Yes | Yes | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | Yes | - | - | - |
| Custom Graphics | Yes | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | - | Yes | n/a | - |
| Data & Network | |||||
| Data Tethering | 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 |
| Text Keyboard, Hardware | Yes | - | - | - | - |
| Touch Screen | - | - | - |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | Yes | - | Yes | n/a | - |
| EMS / Picture Messaging | - | Yes | - | n/a | - |
| Instant Messaging | - | - | Yes | n/a | - |
| MMS | Yes | - | Yes | n/a | - |
| Text Messaging Templates | Yes | Yes | Yes | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | - | Yes | - |
| Music Player | Yes | - | Yes | n/a | Yes |
| 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 | - | - | - | n/a | Yes |
| Voice Memo | Yes | - | Yes | n/a | Yes |
| Software | |||||
| BREW | Yes | - | - | n/a | - |
| Games | Yes | Yes | Yes | n/a | Yes |
| Java (J2ME) | - | Yes | Yes | n/a | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | - | - | - | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| ZTE Z431 / Altair | Siemens C56 | Pantech C630 | Motorola Citrus | Samsung MM-A900 / SPH-A900 / Ace | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | Siemens C56 | Pantech C630 | Motorola Citrus | Samsung MM-A900 / SPH-A900 / Ace |
