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| Phone | Samsung Knack U310 | Apple iPhone 4 (GSM) | Motorola V190 | Sanyo RL-4920 | Cal-Comp EZ |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
3.5" diag. 5 : 3 |
? | ? | ? |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
128 x 112 pixels LCD (Color) |
128 x 128 pixels LCD (STN) |
| Display Refresh | ? | 60 Hz | ? | ? | ? |
| Battery | 1,000 mAh | ? | 1,050 mAh | 1,700 mAh | 800 mAh |
| Processor | ? | Apple A4 | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | 32 GB * | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 5 megapixel | - | - | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 720p HD | - | - | - |
| Front Camera | - | Yes | - | - | - |
| Weight |
3.63 oz (103g) |
4.8 oz (136g) |
3.46 oz (98g) |
4.03 oz (114g) |
2.47 oz (70g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
3.37" x 1.81" x 0.91" (86 x 46 x 23.1 mm) |
4.22" x 1.85" x 0.85" (107 x 47 x 21.6 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | iOS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
| Data Technology | - | HSPA 7.2 | GPRS | 1xRTT | 1xRTT |
| Features | |||||
| GPS / Location | Yes | n/a | - | Yes | Yes |
| Accessibility | |||||
| Adjustable Text Size | Yes | n/a | - | - | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- | - | - |
| Multiple Languages | Yes | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | - |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | - | - | - |
| Mobile Hotspot | - | n/a | - | - | - |
| USB | - | Yes |
Yes Mini-USB |
Yes |
Yes Mini-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- | - | - |
| Contacts | |||||
| Picture ID | - | n/a | Yes | Yes | - |
| Ringer ID | - | n/a | Yes | Yes | - |
| Voice Dialing | Yes | n/a | Yes | Yes | - |
| Customization | |||||
| Custom Graphics | - | n/a | Yes | Yes | - |
| Custom Ringtones | - | n/a | Yes | Yes | - |
| Real-Music Ringers | - | n/a | Yes | - | - |
| Data & Network | |||||
| Data Tethering | - | n/a | Yes | - | - |
| WAP / Web Browser | - | n/a | Yes | Yes | - |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | Yes | - |
| Side Keys | Yes | Yes | Yes | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- | - | - |
| Messaging | |||||
| Email Client | - | n/a | - | - | - |
| EMS / Picture Messaging | Yes | n/a | Yes | - | - |
| Instant Messaging | - | n/a | Yes | - | - |
| MMS | - | n/a | Yes | - | - |
| Text Messaging Templates | - | n/a | Yes | - | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | - | - |
| Music Player | - | n/a | - | - | - |
| Photo & Video | |||||
| TV Output | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes | Yes |
| To-Do List | - | n/a | - | Yes | Yes |
| Voice Memo | - | n/a | - | Yes | Yes * |
| Software | |||||
| Games | - | n/a | Yes | Yes | - |
| Java (J2ME) | - | n/a | Yes | Yes | - |
| Voice | |||||
| Call Screening | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | Yes | Yes | Yes |
| Push-To-Talk | - | - | Yes * | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| Samsung Knack U310 | Apple iPhone 4 (GSM) | Motorola V190 | Sanyo RL-4920 | Cal-Comp EZ | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Apple iPhone 4 (GSM) | Motorola V190 | Sanyo RL-4920 | Cal-Comp EZ |
