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| Phone | Palm Treo 650 (CDMA) | Samsung SGH-A727 | Samsung SGH-A157 | Motorola Droid |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
1.8" diag. 4 : 3 |
3.7" diag. 16 : 9 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~268 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | ? | ? | 800 mAh | 1,400 mAh |
| Processor | 312 MHz Intel XScale PXA270 | ? | ? | 550 MHz TI OMAP 3430 (ARM Cortex A8) |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 256 MB | ? raw hardware |
| Main Camera | Yes | 1 megapixel | - | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | QCIF (176 x 144) | - | WVGA / 480p |
| Front Camera | - | - | - | - |
| Weight |
6.3 oz (179g) |
2.82 oz (80g) |
2.99 oz (85g) |
5.99 oz (170g) |
| Dimensions |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
4.51" x 2.01" x 0.35" (115 x 51 x 8.9 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
4.55" x 2.35" x 0.55" (116 x 60 x 14 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Palm OS | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | HSDPA 1.8 | ? | EVDO rA |
| Features | ||||
| GPS / Location | n/a | - | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | Yes | n/a |
| Hearing Aid Compatible | - | - |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | Yes | - | - | - |
| USB | - | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | Yes | n/a |
| Voice Dialing | n/a | - | - | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | - | n/a |
| External Antenna Jack | n/a | - | - | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | - | Yes |
| Text Keyboard, Hardware | Yes | - | - | Yes |
| Touch Screen | Yes | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | - | n/a |
| Instant Messaging | n/a | Yes | - | n/a |
| MMS | n/a | Yes | Yes | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | n/a | Yes | - | n/a |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | Yes | Yes | n/a |
| Voice Memo | n/a | Yes | Yes | n/a |
| Software | ||||
| Games | n/a | Yes | - | n/a |
| Java (J2ME) | n/a | Yes | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | - | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Palm Treo 650 (CDMA) | Samsung SGH-A727 | Samsung SGH-A157 | Motorola Droid | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 650 (CDMA) | Samsung SGH-A727 | Samsung SGH-A157 | Motorola Droid |
