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| Phone | Motorola Charm | Huawei W1 | Samsung Knack U310 | Sanyo RL-4930 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.8" diag. 4 : 3 |
4" diag. 5 : 3 |
2.2" diag. 4 : 3 |
? |
| Display Resolution & Type |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
128 x 112 pixels LCD (STN) |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | 1,170 mAh | 1,950 mAh | 1,000 mAh | 1,700 mAh |
| Processor | 720 MHz TI OMAP3410 | 1.2 GHz Qualcomm Snapdragon 400 MSM8230 | ? | ? |
| RAM | ? | 512 MB | ? | ? |
| Storage | ? raw hardware | 4 GB | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 720p HD | - | - |
| Front Camera | - | Yes | - | - |
| Weight |
3.88 oz (110g) |
4.41 oz (125g) |
3.63 oz (103g) |
4.4 oz (125g) |
| Dimensions |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.5" x 2" x 1" (114 x 51 x 25.4 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Android | Windows | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | HSDPA 3.6 | HSPA+ 21 | - | 1xRTT |
| Features | ||||
| GPS / Location | n/a | n/a | Yes | Yes |
| Ruggedized | - | - | - | 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 | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
- | Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | n/a | n/a | - | Yes |
| Ringer ID | n/a | n/a | - | Yes |
| Voice Dialing | n/a | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | - | Yes |
| Custom Ringtones | n/a | n/a | - | Yes |
| Real-Music Ringers | n/a | n/a | - | - |
| Data & Network | ||||
| WAP / Web Browser | n/a | n/a | - | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen |
Yes Capacitive |
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 | - | - |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | - |
| Calendar | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | - | Yes |
| Voice Memo | n/a | n/a | - | Yes |
| Software | ||||
| Games | n/a | n/a | - | Yes |
| Java (J2ME) | n/a | n/a | - | Yes |
| Voice | ||||
| Call Screening | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | - |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Motorola Charm | Huawei W1 | Samsung Knack U310 | Sanyo RL-4930 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Charm | Huawei W1 | Samsung Knack U310 | Sanyo RL-4930 |
