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| Phone | Sony Ericsson T630 | Siemens CX75 | ZTE Citrine | Nokia N81 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
4" diag. 5 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 770 mAh | 750 mAh | 1,650 mAh | 1,050 mAh |
| Processor | ? | ? | ? | 369 MHz ARM 11 |
| RAM | ? | ? | 1 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 8 GB | 8 GB * |
| Main Camera | Yes | 1 megapixel | 5 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | ? | VGA (640 x 480) |
| Front Camera | - | - | Yes | - |
| Weight |
3.26 oz (92g) |
3.46 oz (98g) |
4.82 oz (137g) |
4.94 oz (140g) |
| Dimensions |
4.02" x 1.69" x 0.67" (102 x 43 x 17 mm) |
4.33" x 1.88" x 0.74" (110 x 48 x 18.8 mm) |
4.92" x 2.56" x 0.41" (125 x 65 x 10.4 mm) |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
| Form Factor | Slab | Slab | Slab | Slide |
| Platform / OS | (proprietary) | (proprietary) | Android | S60 (Symbian) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | GPRS | LTE (Cat 3) | EDGE |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | - | - | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | n/a |
| Hearing Aid Compatible | - | - |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | Yes | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | Yes | - | - |
| USB | Yes | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes * |
| Messaging | ||||
| Email Client | Yes | Yes | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | n/a |
| Instant Messaging | Yes | - | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | - | n/a | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | Yes | n/a | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| Video Calling | - | - | n/a | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | Yes | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | Yes | n/a | n/a |
| Voice | ||||
| Push-To-Talk | - | Yes | - | Yes * |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Sony Ericsson T630 | Siemens CX75 | ZTE Citrine | Nokia N81 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson T630 | Siemens CX75 | ZTE Citrine | Nokia N81 |
