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| Phone | Samsung SCH-A645 | Samsung M300 | Samsung SCH-A890 | Apple iPhone 4 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,000 mAh | ? | ? | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 8 GB * |
| Main Camera | - | Yes | 1 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | ? | 720p HD |
| Front Camera | - | - | - | Yes |
| Weight |
3.2 oz (91g) |
2.68 oz (76g) |
2.8 oz (79g) |
4.8 oz (136g) |
| Dimensions |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
3.6" x 1.9" x 0.7" (91 x 48 x 17.8 mm) |
3.5" x 1.97" x 0.98" (89 x 50 x 24.9 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | iOS |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | 1xRTT | EVDO r0 | EVDO rA |
| Features | ||||
| GPS / Location | Yes | Yes | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | Yes | Yes | Yes | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| Mobile Hotspot | - | - | - | n/a |
| USB | - | Yes | - | Yes |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | - | Yes | Yes | n/a |
| Voice Dialing | Yes | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | - | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | - | n/a |
| WAP / Web Browser | Yes * | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
| Messaging | ||||
| Email Client | - | - | - | n/a |
| EMS / Picture Messaging | Yes | - | - | n/a |
| MMS | - | - | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | - | - | n/a |
| Photo & Video | ||||
| TV Output | - | - | - | Yes |
| Video Calling | - | - | - | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | Yes | Yes | Yes | n/a |
| Voice Memo | Yes | Yes | Yes | n/a |
| Software | ||||
| BREW | Yes * | - | Yes | n/a |
| Games | Yes * | Yes | Yes | n/a |
| Java (J2ME) | - | Yes | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | Yes | n/a |
| Speaker Phone | Yes | Yes | - | Yes |
| * Some versions only | ||||
| Samsung SCH-A645 | Samsung M300 | Samsung SCH-A890 | Apple iPhone 4 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A645 | Samsung M300 | Samsung SCH-A890 | Apple iPhone 4 (CDMA) |
