Compare Phones
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| Phone | Ericsson R278d | BlackBerry Curve 9370 | HTC Dash / S620 / S621 (Excalibur) | Samsung Knack U310 | Motorola T730 / T731c |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.4" diag. 4 : 3 |
? |
2.2" diag. 4 : 3 |
? |
| Display Resolution & Type | 101 x 40 pixels |
480 x 360 pixels (~246 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | ? | 1,000 mAh | 960 mAh | 1,000 mAh | 750 mAh |
| Processor | ? | 800 MHz Marvell | 200 MHz OMAP 850 | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | 1 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 5 megapixel | 1 megapixel | - | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | VGA (640 x 480) | ? | - | - |
| Front Camera | - | - | - | - | - |
| Weight |
9.28 oz (263g) |
3.49 oz (99g) |
4.23 oz (120g) |
3.63 oz (103g) |
4.06 oz (115g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4.29" x 2.36" x 0.43" (109 x 60 x 10.9 mm) |
4.39" x 2.46" x 0.51" (112 x 62 x 13 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
3.54" x 1.87" x 0.91" (90 x 47 x 23.1 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | BlackBerry OS | Windows Mobile Standard | (proprietary) | (proprietary) |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | - | EVDO rA | EDGE | - | 1xRTT |
| Features | |||||
| GPS / Location | - | n/a | n/a | Yes | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | Yes | - |
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | Yes |
| Ringer Profiles | Yes | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | - | - |
| NFC | - | Yes | - | - | - |
| USB | - |
Yes Micro-USB |
Yes | - | Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
- | - |
| Contacts | |||||
| Picture ID | - | n/a | n/a | - | - |
| Ringer ID | - | n/a | n/a | - | Yes |
| Voice Dialing | - | n/a | n/a | Yes | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | - | - | Yes |
| 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 | - | Yes |
| External Antenna Jack | - | n/a | n/a | - | - |
| WAP / Web Browser | Yes | n/a | n/a | - | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | - | Yes |
| EMS / Picture Messaging | - | n/a | n/a | Yes | Yes |
| Instant Messaging | - | n/a | n/a | - | - |
| MMS | - | n/a | n/a | - | - |
| Text Messaging Templates | - | n/a | n/a | - | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | - | - |
| Music Player | - | n/a | n/a | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | - | n/a | n/a | Yes | Yes |
| Calendar | - | n/a | n/a | Yes | Yes |
| To-Do List | - | n/a | n/a | - | - |
| Voice Memo | - | n/a | n/a | - | Yes |
| Software | |||||
| BREW | - | n/a | n/a | - | Yes * |
| Games | - | n/a | n/a | - | Yes |
| Java (J2ME) | - | n/a | n/a | - | - |
| Voice | |||||
| Headset Jack (2.5 mm) | - | n/a | n/a | Yes | Yes |
| Speaker Phone | - | Yes | Yes | Yes | - |
| * Some versions only | |||||
| Ericsson R278d | BlackBerry Curve 9370 | HTC Dash / S620 / S621 (Excalibur) | Samsung Knack U310 | Motorola T730 / T731c | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | BlackBerry Curve 9370 | HTC Dash / S620 / S621 (Excalibur) | Samsung Knack U310 | Motorola T730 / T731c |
