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| Phone | Palm Treo 650 (CDMA) | Samsung SGH-A157 | HTC EVO 4G |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
1.8" diag. 4 : 3 |
4.3" diag. 5 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | ? | 800 mAh | 1,500 mAh |
| Processor | 312 MHz Intel XScale PXA270 | ? | 1 GHz Qualcomm Snapdragon S1 QSD8650 |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | 256 MB | ? raw hardware |
| Main Camera | Yes | - | 8 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QVGA (320 x 240) | - | 720p HD |
| Front Camera | - | - | Yes |
| Weight |
6.3 oz (179g) |
2.99 oz (85g) |
6 oz (170g) |
| Dimensions |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm) |
| Form Factor | Slab | Clamshell | Slab |
| Platform / OS | Palm OS | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G WiMAX: 41 CDMA: 850, 1900 |
| Data Technology | 1xRTT | ? | WiMAX |
| 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 |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Ringer Profiles | - | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | - | Yes |
| Infrared (IR) | Yes | - | - |
| Mobile Hotspot | n/a | - | n/a |
| USB | - |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - |
Yes 802.11 b,g |
| Contacts | |||
| Picture ID | n/a | Yes | n/a |
| Ringer ID | n/a | Yes | n/a |
| Voice Dialing | n/a | - | n/a |
| Customization | |||
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | n/a |
| Real-Music Ringers | n/a | Yes | n/a |
| Data & Network | |||
| Data Tethering | n/a | - | n/a |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | - | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen | Yes | - |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | - | Yes |
| Messaging | |||
| Email Client | n/a | - | n/a |
| Instant Messaging | n/a | - | n/a |
| MMS | n/a | Yes | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| FM Radio | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | Yes |
| Music Player | n/a | - | n/a |
| Photo & Video | |||
| TV Output | - | - | Yes |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| To-Do List | n/a | Yes | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| Games | n/a | - | n/a |
| Voice | |||
| Headset Jack (2.5 mm) | n/a | - | n/a |
| Speaker Phone | Yes | Yes | Yes |
| Palm Treo 650 (CDMA) | Samsung SGH-A157 | HTC EVO 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 650 (CDMA) | Samsung SGH-A157 | HTC EVO 4G |
