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| Phone | Samsung SCH-A645 | Samsung Wafer R510 | Casio G'zOne Boulder | Apple iPhone 4 (CDMA) | LG AX-490 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
1.9" diag. 4 : 3 |
2" diag. 4 : 3 |
3.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
220 x 176 pixels (~148 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 800 mAh | 810 mAh | ? | 1,100 mAh |
| Processor | ? | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 8 GB * | ? raw hardware |
| Main Camera | - | 1 megapixel | 1 megapixel | 5 megapixel | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | ? | 720p HD | - |
| Front Camera | - | - | - | Yes | - |
| Weight |
3.2 oz (91g) |
2.47 oz (70g) |
4.9 oz (139g) |
4.8 oz (136g) |
3.79 oz (107g) |
| Dimensions |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm) |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | iOS | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | 1xRTT | EVDO r0 | EVDO rA | EVDO rA | 1xRTT |
| Features | |||||
| Flashlight | - | - | Yes | - | - |
| GPS / Location | Yes | Yes | Yes | n/a | Yes |
| Ruggedized | - | - | Yes | - | - |
| Water-Resistant | - | - | Yes | - | - |
| Accessibility | |||||
| Adjustable Text Size | - | - | - | n/a | - |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | - | n/a | - |
| USB | - | - | Yes | Yes | Yes |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | n/a | Yes |
| Ringer ID | - | - | Yes | n/a | Yes |
| Voice Dialing | Yes | Yes | Yes | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | Yes | - | - |
| Custom Graphics | Yes | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | - | - | n/a | Yes |
| Data & Network | |||||
| Data Tethering | - | - | Yes | n/a | Yes |
| WAP / Web Browser | Yes * | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | - | - | - | Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | - | - | - | n/a | - |
| EMS / Picture Messaging | Yes | - | Yes | n/a | - |
| MMS | - | Yes | Yes | n/a | Yes |
| Text Messaging Templates | Yes | - | Yes | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | - |
| Music Player | - | Yes | Yes | n/a | - |
| Stereo Speakers | - | Yes | - | - | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | - |
| Video Calling | - | - | - | n/a | - |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | - | n/a | - |
| Voice Memo | Yes | Yes | Yes | n/a | Yes |
| Software | |||||
| BREW | Yes * | Yes | Yes | n/a | Yes |
| Games | Yes * | Yes | Yes | n/a | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | - | - | n/a | Yes |
| Push-To-Talk | - | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SCH-A645 | Samsung Wafer R510 | Casio G'zOne Boulder | Apple iPhone 4 (CDMA) | LG AX-490 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A645 | Samsung Wafer R510 | Casio G'zOne Boulder | Apple iPhone 4 (CDMA) | LG AX-490 |
