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| Phone | Samsung Knack U310 | Motorola Droid 2 | Motorola Droid RAZR MAXX HD | Samsung SPH-A660 / VI660 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
3.7" diag. 16 : 9 |
4.7" diag. 16 : 9 |
? |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~265 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) AMOLED |
128 x 160 pixels LCD (Color) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,000 mAh | 1,390 mAh | 3,300 mAh | ? |
| Processor | ? | 1 GHz TI OMAP3620 | ? | ? |
| RAM | ? | ? | 1 GB | ? |
| Storage | ? raw hardware | 8 GB | 32 GB | ? raw hardware |
| Main Camera | - | 5 megapixel | 8 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | WVGA / 480p | 1080p HD | - |
| Front Camera | - | - | 1 megapixel | - |
| Weight |
3.63 oz (103g) |
5.96 oz (169g) |
5.54 oz (157g) |
3.54 oz (100g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.58" x 2.38" x 0.54" (116 x 61 x 13.7 mm) |
5.19" x 2.67" x 0.37" (132 x 68 x 9.3 mm) |
3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm) |
| Form Factor | Clamshell | Slide | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | - | EVDO rA | LTE (Cat 3) | 1xRTT |
| Features | ||||
| GPS / Location | Yes | n/a | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | - |
| NFC | - | - | Yes | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
- |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | ||||
| Picture ID | - | n/a | n/a | Yes |
| Ringer ID | - | n/a | n/a | Yes |
| Voice Dialing | Yes | n/a | n/a | 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 | ||||
| Data Tethering | - | n/a | n/a | Yes |
| WAP / Web Browser | - | 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 Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | - |
| MMS | - | n/a | n/a | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | n/a | n/a | - |
| Photo & Video | ||||
| DLNA | - | Yes | Yes | - |
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | 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 | ||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | - |
| Samsung Knack U310 | Motorola Droid 2 | Motorola Droid RAZR MAXX HD | Samsung SPH-A660 / VI660 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Motorola Droid 2 | Motorola Droid RAZR MAXX HD | Samsung SPH-A660 / VI660 |
