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| Phone | Ericsson R278d | HTC Touch (CDMA) / XV6900 | Sony Ericsson K750 / W800 / D750 / W700 | Nokia N91 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.8" diag. 4 : 3 |
? | ? |
| Display Resolution & Type | 101 x 40 pixels |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
176 x 208 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 1,100 mAh | 900 mAh | ? |
| Processor | ? | 400 MHz Qualcomm MSM7500 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 2 megapixel | 2 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | ? | ? |
| Front Camera | - | - | - | - |
| Weight |
9.28 oz (263g) |
3.99 oz (113g) |
3.49 oz (99g) |
5.78 oz (164g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.97" x 2.34" x 0.55" (101 x 59 x 14 mm) |
3.94" x 1.81" x 0.79" (100 x 46 x 20.1 mm) |
4.45" x 2.17" x 0.87" (113 x 55 x 22.1 mm) |
| Form Factor | Slab | Slab | Slab | Slide |
| Platform / OS | (proprietary) | Windows Mobile Professional | (proprietary) | S60 (Symbian) |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
WCDMA: 1 GSM: 900, 1800, 1900 |
| Data Technology | - | EVDO rA | GPRS | EDGE |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | - | n/a | - | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | - | n/a |
| Hearing Aid Compatible | - | Yes | - | - |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Ringer Profiles | Yes | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | - | Yes | - |
| USB | - | Yes | Yes |
Yes Mini-USB |
| 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 | Yes | n/a |
| Customization | ||||
| Custom Graphics | - | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | n/a |
| External Antenna Jack | - | n/a | - | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | Yes | - | - |
| Touch Screen | - | Yes | - | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | Yes | n/a |
| EMS / Picture Messaging | - | n/a | Yes | 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 | Yes |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | n/a | Yes | n/a |
| Productivity | ||||
| Alarm | Yes | 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 | Yes | n/a |
| Java (J2ME) | - | n/a | Yes | n/a |
| Voice | ||||
| Push-To-Talk | - | - | - | Yes * |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Ericsson R278d | HTC Touch (CDMA) / XV6900 | Sony Ericsson K750 / W800 / D750 / W700 | Nokia N91 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | HTC Touch (CDMA) / XV6900 | Sony Ericsson K750 / W800 / D750 / W700 | Nokia N91 |
