Compare Phones
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| Phone | Samsung Knack U310 | Samsung SPH-A250 | Sanyo RL-4920 | Sanyo MM-8300 | Motorola Backflip |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? | ? | ? |
3.1" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
? |
128 x 112 pixels LCD (Color) |
176 x 220 pixels LCD (TFT/TFD) |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 1,000 mAh | ? | 1,700 mAh | 1,000 mAh | 1,400 mAh |
| Processor | ? | ? | ? | ? | 528 MHz Qualcomm MSM7201a |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | - | Yes | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | QCIF (176 x 144) | CIF (352 x 288) |
| Front Camera | - | - | - | - | - |
| Weight |
3.63 oz (103g) |
2.82 oz (80g) |
4.03 oz (114g) |
3.6 oz (102g) |
4.7 oz (133g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
2.76" x 1.91" x 0.83" (70 x 49 x 21.1 mm) |
4.22" x 1.85" x 0.85" (107 x 47 x 21.6 mm) |
3.35" x 1.85" x 0.97" (85 x 47 x 24.6 mm) |
4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | - | 1xRTT | 1xRTT | HSPA 7.2 |
| Features | |||||
| Flashlight | - | - | - | Yes | - |
| GPS / Location | Yes | - | Yes | Yes | n/a |
| Accessibility | |||||
| Adjustable Text Size | Yes | - | - | - | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- | - | - |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | - | Yes | - | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | - |
| Alerts | |||||
| Extra Display | Yes | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | - | - | - | Yes |
| USB | - | - | Yes | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - | - |
Yes 802.11 b,g |
| Contacts | |||||
| Picture ID | - | - | Yes | Yes | n/a |
| Ringer ID | - | - | Yes | Yes | n/a |
| Voice Dialing | Yes | Yes | Yes | Yes | n/a |
| Customization | |||||
| Changeable Body Plates | - | - | - | Yes | - |
| Custom Graphics | - | - | Yes | Yes | n/a |
| Custom Ringtones | - | - | Yes | Yes | n/a |
| Real-Music Ringers | - | - | - | - | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | - | Yes | n/a |
| WAP / Web Browser | - | Yes | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | - | - | - | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | - | - | Yes |
| Messaging | |||||
| Email Client | - | - | - | - | n/a |
| EMS / Picture Messaging | Yes | - | - | - | n/a |
| Instant Messaging | - | - | - | - | n/a |
| MMS | - | - | - | - | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | - | - | - | - | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | Yes | n/a |
| To-Do List | - | Yes | Yes | Yes | n/a |
| Voice Memo | - | - | Yes | Yes | n/a |
| Software | |||||
| Games | - | - | Yes | Yes | n/a |
| Java (J2ME) | - | - | Yes | Yes | n/a |
| Voice | |||||
| Call Screening | - | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | Yes | Yes | Yes | n/a |
| Push-To-Talk | - | - | Yes | Yes | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| Samsung Knack U310 | Samsung SPH-A250 | Sanyo RL-4920 | Sanyo MM-8300 | Motorola Backflip | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Samsung SPH-A250 | Sanyo RL-4920 | Sanyo MM-8300 | Motorola Backflip |
