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| Phone | Samsung SPH-A420 | Samsung SCH-A530 | Motorola Charm | Samsung Galaxy S III (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.8" diag. 4 : 3 |
4.8" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~306 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | ? | 1,170 mAh | 2,100 mAh |
| Processor | ? | ? | 720 MHz TI OMAP3410 | 1.5 GHz Qualcomm Snapdragon S4 |
| RAM | ? | ? | ? | 2 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB * |
| Main Camera | - | - | 3 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | ? | 1080p HD |
| Front Camera | - | - | - | 2 megapixel |
| Weight |
2.9 oz (82g) |
3 oz (85g) |
3.88 oz (110g) |
4.65 oz (132g) |
| Dimensions |
3.35" x 1.72" x 0.85" (85 x 44 x 21.6 mm) |
3.18" x 1.67" x 0.9" (81 x 42 x 22.9 mm) |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
5.38" x 2.78" x 0.34" (137 x 71 x 8.6 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
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| Data Technology | - | 1xRTT | HSDPA 3.6 | LTE (Cat 3) |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | Yes | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | n/a |
| Hearing Aid Compatible | Yes | - | - | Yes |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | - |
Yes Classic Audio |
Yes Classic Audio |
| 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 | - | Yes | n/a | n/a |
| Ringer ID | - | Yes | n/a | n/a |
| Voice Dialing | Yes | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | - | Yes | n/a | n/a |
| Custom Ringtones | - | Yes | n/a | n/a |
| Real-Music Ringers | - | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | n/a |
| WAP / Web Browser | - | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - | - | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a |
| MMS | - | - | n/a | n/a |
| Text Messaging Templates | - | - | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | - | n/a | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| TV Output | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | Yes | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| BREW | - | Yes | n/a | n/a |
| Games | - | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a |
| Speaker Phone | Yes | - | Yes | Yes |
| Samsung SPH-A420 | Samsung SCH-A530 | Motorola Charm | Samsung Galaxy S III (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-A420 | Samsung SCH-A530 | Motorola Charm | Samsung Galaxy S III (CDMA) |
