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| Phone | Ericsson R278d | Palm Treo 650 (CDMA) | HTC Amaze 4G | Ericsson T66 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
4.3" diag. 16 : 9 |
? |
| Display Resolution & Type | 101 x 40 pixels |
320 x 320 pixels LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
? |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | ? | 1,730 mAh | ? |
| Processor | ? | 312 MHz Intel XScale PXA270 | 1.5 GHz Qualcomm Snapdragon S3 dual-core | ? |
| RAM | ? | ? | 1 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware |
| Main Camera | - | Yes | 8 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | 1080p HD | - |
| Front Camera | - | - | 2 megapixel | - |
| Weight |
9.28 oz (263g) |
6.3 oz (179g) |
6.1 oz (173g) |
2.08 oz (59g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Palm OS | Android | (proprietary) |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | - | 1xRTT | HSPA+ 42 | - |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | - | n/a | n/a | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Infrared (IR) | - | Yes | - | - |
| Mobile Hotspot | - | n/a | n/a | - |
| NFC | - | - | Yes | - |
| USB | - | - | Yes | - |
| Wi-Fi | - | - |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | ||||
| Picture ID | - | n/a | n/a | - |
| Ringer ID | - | n/a | n/a | - |
| Voice Dialing | - | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | - | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | Yes |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | n/a | - |
| EMS / Picture Messaging | - | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | - |
| MMS | - | n/a | n/a | - |
| Text Messaging Templates | - | n/a | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | n/a | n/a | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | - | n/a | n/a | Yes |
| Calendar | - | n/a | n/a | Yes |
| To-Do List | - | n/a | n/a | Yes |
| Voice Memo | - | n/a | n/a | - |
| Software | ||||
| Games | - | n/a | n/a | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | n/a | - |
| Speaker Phone | - | Yes | Yes | - |
| Ericsson R278d | Palm Treo 650 (CDMA) | HTC Amaze 4G | Ericsson T66 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Palm Treo 650 (CDMA) | HTC Amaze 4G | Ericsson T66 |
