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| Phone | Samsung Messager R450 | HTC SDA (USA) / SP5m (Tornado) | Samsung SGH-T719 | Siemens M75 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
2.2" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 960 mAh | ? | ? | 750 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 1 megapixel | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | QCIF (176 x 144) | ? |
| Front Camera | - | - | - | - |
| Weight |
4.58 oz (130g) |
3.74 oz (106g) |
3.5 oz (99g) |
3.88 oz (110g) |
| Dimensions |
4.4" x 2" x 0.7" (112 x 51 x 17.8 mm) |
4.53" x 1.82" x 0.69" (115 x 46 x 17.5 mm) |
3.7" x 2" x 0.72" (94 x 51 x 18.3 mm) |
4.35" x 2.03" x 0.82" (110 x 52 x 20.8 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Windows Mobile Standard | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1700, 1900 |
GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | 1xRTT | EDGE | EDGE | GPRS |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | n/a | - | - |
| Ruggedized | - | - | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - | - |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | Yes |
| USB | Yes |
Yes Mini-USB |
Yes | Yes |
| Wi-Fi | - | Yes | - | - |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | Yes | Yes |
| Voice Dialing | Yes | n/a | Yes | - |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | - | - |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | Yes |
| External Antenna Jack | - | n/a | - | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | Yes | Yes |
| EMS / Picture Messaging | - | n/a | - | Yes |
| Instant Messaging | - | n/a | Yes | - |
| MMS | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | - |
| Music | ||||
| Music Player | Yes | n/a | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | - | n/a | - | Yes |
| Voice Memo | Yes | n/a | Yes | Yes |
| Software | ||||
| BREW | Yes | n/a | - | - |
| Games | Yes | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | - | - |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung Messager R450 | HTC SDA (USA) / SP5m (Tornado) | Samsung SGH-T719 | Siemens M75 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Messager R450 | HTC SDA (USA) / SP5m (Tornado) | Samsung SGH-T719 | Siemens M75 |
