Compare Phones
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| Phone | Samsung SCH-A990 | Palm Treo 750 | Siemens C62 | Samsung SGH-X426 / SGH-X427 | ZTE Z221 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
240 x 240 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (Color) |
128 x 160 pixels LCD (Color) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 1,000 mAh | 1,200 mAh | 630 mAh | ? | 900 mAh |
| Processor | ? | 300 MHz Samsung | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 142 MB |
| Main Camera | 3 megapixel | 1 megapixel | - | - | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | CIF (352 x 288) | - | - | QCIF (176 x 144) |
| Front Camera | - | - | - | - | - |
| Weight |
4.4 oz (125g) |
5.4 oz (153g) |
3 oz (85g) |
2.8 oz (79g) |
3.24 oz (92g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.37" x 2.28" x 0.87" (111 x 58 x 22.1 mm) |
3.98" x 1.73" x 0.79" (101 x 44 x 20.1 mm) |
3.3" x 1.8" x 0.8" (84 x 46 x 20.3 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | Windows Mobile Professional | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | WCDMA (UMTS) | GPRS | GPRS | HSDPA 3.6 |
| Features | |||||
| Flashlight | Yes | - | - | - | - |
| GPS / Location | Yes | n/a | - | - | Yes |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | Yes |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | - | Yes |
| Infrared (IR) | - | Yes | - | - | - |
| USB | Yes | Yes | - | - | Yes |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | - | - |
| Ringer ID | Yes | n/a | - | - | - |
| Voice Dialing | Yes | n/a | - | - | - |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes | Yes |
| Real-Music Ringers | Yes | n/a | - | - | Yes |
| Data & Network | |||||
| Data Tethering | Yes | n/a | Yes | Yes | - |
| External Antenna Jack | - | n/a | - | - | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | - | Yes | Yes |
| Stylus | - | Yes | - | - | - |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - |
Yes Resistive |
- | - | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | - | - |
| Messaging | |||||
| Email Client | - | n/a | - | - | Yes |
| EMS / Picture Messaging | Yes | n/a | Yes | Yes | - |
| Instant Messaging | - | n/a | - | - | Yes |
| MMS | Yes | n/a | Yes | - | Yes |
| Text Messaging Templates | Yes | n/a | - | Yes | Yes |
| Music | |||||
| Music Player | Yes | n/a | - | - | - |
| Stereo Speakers | Yes | - | - | - | - |
| Photo & Video | |||||
| TV Output | Yes | - | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes | Yes |
| To-Do List | - | n/a | - | Yes | - |
| Voice Memo | Yes | n/a | - | - | Yes |
| Software | |||||
| BREW | Yes | n/a | - | - | - |
| Games | Yes | n/a | Yes | Yes | Yes |
| Java (J2ME) | - | n/a | - | Yes | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | - | n/a | - | - | - |
| Speaker Phone | Yes | Yes | - | - | Yes |
| Samsung SCH-A990 | Palm Treo 750 | Siemens C62 | Samsung SGH-X426 / SGH-X427 | ZTE Z221 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | Palm Treo 750 | Siemens C62 | Samsung SGH-X426 / SGH-X427 | ZTE Z221 |
