Compare Phones
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| Phone | Samsung SCH-A645 | Sony Ericsson T68i | Sony Ericsson TM506 | Samsung Messager R450 | Palm Pre Plus (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
2.2" diag. 4 : 3 |
2.1" diag. 4 : 3 |
3.1" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
101 x 80 pixels LCD (STN) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 1,000 mAh | 700 mAh | 950 mAh | 960 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 |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | QVGA (320 x 240) | - | VGA (640 x 480) |
| Front Camera | - | - | - | - | - |
| Weight |
3.2 oz (91g) |
2.96 oz (84g) |
3.56 oz (101g) |
4.58 oz (130g) |
4.89 oz (139g) |
| Dimensions |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
3.94" x 1.89" x 0.79" (100 x 48 x 20.1 mm) |
3.74" x 1.86" x 0.7" (95 x 47 x 17.8 mm) |
4.4" x 2" x 0.7" (112 x 51 x 17.8 mm) |
3.9" x 2.3" x 0.67" (99 x 58 x 17 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Slide |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | webOS |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 1800, 1900 |
CDMA: 850, 1700, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | GPRS | HSDPA 3.6 | 1xRTT | HSDPA 1.8 |
| Features | |||||
| GPS / Location | Yes | - | Yes | Yes | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | - | - | Yes | - |
| Multiple Languages | Yes | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | - |
| Ringer Profiles | - | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth |
- |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - | - |
| USB | - | - | Yes | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - | - |
Yes 802.11 b,g |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | Yes | n/a |
| Ringer ID | - | Yes | Yes | Yes | n/a |
| Voice Dialing | Yes | Yes | Yes | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | Yes | - | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | - | - | n/a |
| External Antenna Jack | - | - | Yes | - | n/a |
| WAP / Web Browser | Yes * | Yes | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | Yes |
| Touch Screen | - | - | - | - | Yes |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | - | Yes | Yes | - | n/a |
| EMS / Picture Messaging | Yes | Yes | - | - | n/a |
| Instant Messaging | - | - | Yes | - | n/a |
| MMS | - | Yes | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | - | - | Yes | Yes | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | Yes | n/a |
| To-Do List | Yes | Yes | Yes | - | n/a |
| Voice Memo | Yes | Yes | Yes | Yes | n/a |
| Software | |||||
| BREW | Yes * | - | - | Yes | n/a |
| Games | Yes * | Yes | Yes | Yes | n/a |
| Java (J2ME) | - | - | Yes | - | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | - | - | - | n/a |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SCH-A645 | Sony Ericsson T68i | Sony Ericsson TM506 | Samsung Messager R450 | Palm Pre Plus (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A645 | Sony Ericsson T68i | Sony Ericsson TM506 | Samsung Messager R450 | Palm Pre Plus (GSM) |
