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| Phone | Samsung SCH-A310 | Motorola i425 | Samsung Nexus S 4G | BlackBerry Pearl 3G 9100 / 9105 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
4" diag. 5 : 3 |
2.3" diag. 1 : 1 |
| Display Resolution & Type |
128 x 128 pixels LCD (Grayscale) |
130 x 130 pixels LCD (STN) |
480 x 800 pixels (~233 ppi) AMOLED |
360 x 400 pixels (~238 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | ? | 1,500 mAh | 1,150 mAh |
| Processor | ? | ? | 1 GHz Samsung Hummingbird Cortex A8 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware |
| Main Camera | - | - | 5 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | WVGA / 480p | ? |
| Front Camera | - | - | Yes | - |
| Weight |
3.2 oz (91g) |
3.9 oz (111g) |
4.62 oz (131g) |
3.3 oz (94g) |
| Dimensions |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
4.9" x 1.9" x 0.47" (124 x 48 x 11.9 mm) |
4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm) |
4.25" x 1.96" x 0.52" (108 x 50 x 13.2 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | BlackBerry OS |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
iDEN: 800 |
4G WiMAX: 41 CDMA: 850, 1900 |
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| Data Technology | 1xRTT | - | WiMAX | HSDPA 3.6 |
| Features | ||||
| GPS / Location | Yes | Yes | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | Yes | n/a | n/a |
| Hearing Aid Compatible | - | - |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | - |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a |
| NFC | - | - | Yes | - |
| USB | Yes |
Yes Mini-USB |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 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 | ||||
| Changeable Body Plates | Yes | - | - | - |
| Custom Graphics | - | Yes | n/a | n/a |
| Custom Ringtones | - | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | n/a |
| WAP / Web Browser | Yes | 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 Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a |
| MMS | - | Yes | n/a | n/a |
| Text Messaging Templates | - | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | - | n/a | n/a |
| Productivity | ||||
| Alarm | - | - | n/a | n/a |
| Calculator | - | - | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | - | - | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | - | Yes | n/a | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a |
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SCH-A310 | Motorola i425 | Samsung Nexus S 4G | BlackBerry Pearl 3G 9100 / 9105 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A310 | Motorola i425 | Samsung Nexus S 4G | BlackBerry Pearl 3G 9100 / 9105 |
