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| Phone | Palm Treo 650 (CDMA) | Ericsson T66 | Samsung SCH-A310 | Apple iPhone 4 (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
? |
128 x 128 pixels LCD (Grayscale) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | ? | ? | ? | ? |
| Processor | 312 MHz Intel XScale PXA270 | ? | ? | Apple A4 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB * |
| Main Camera | Yes | - | - | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | - | - | 720p HD |
| Front Camera | - | - | - | Yes |
| Weight |
6.3 oz (179g) |
2.08 oz (59g) |
3.2 oz (91g) |
4.8 oz (136g) |
| Dimensions |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Palm OS | (proprietary) | (proprietary) | iOS |
| Network Bands |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | - | 1xRTT | HSPA 7.2 |
| Features | ||||
| GPS / Location | n/a | - | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | - | n/a |
| Hearing Aid Compatible | - | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | - | - | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | - | Yes |
| Infrared (IR) | Yes | - | - | - |
| Mobile Hotspot | n/a | - | - | n/a |
| USB | - | - | Yes | Yes |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | n/a | - | - | n/a |
| Ringer ID | n/a | - | - | n/a |
| Voice Dialing | n/a | - | Yes | n/a |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | n/a | Yes | - | n/a |
| Custom Ringtones | n/a | Yes | - | n/a |
| Real-Music Ringers | n/a | - | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | Yes | 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 | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | Yes | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | - |
| Messaging | ||||
| Email Client | n/a | - | - | n/a |
| EMS / Picture Messaging | n/a | Yes | - | n/a |
| MMS | n/a | - | - | n/a |
| Text Messaging Templates | n/a | Yes | - | n/a |
| Music | ||||
| 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 | Yes | n/a |
| To-Do List | n/a | Yes | - | n/a |
| Voice Memo | n/a | - | Yes | n/a |
| Software | ||||
| Games | n/a | Yes | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | - | Yes | n/a |
| Speaker Phone | Yes | - | - | Yes |
| * Some versions only | ||||
| Palm Treo 650 (CDMA) | Ericsson T66 | Samsung SCH-A310 | Apple iPhone 4 (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 650 (CDMA) | Ericsson T66 | Samsung SCH-A310 | Apple iPhone 4 (GSM) |
