Compare Phones
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| Phone | Samsung SGH-A657 | BlackBerry 7750 | Coolpad Quattro 4G | Motorola i870 / i875 | Ericsson T66 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
4" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
? |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 1,420 mAh | ? | 1,600 mAh | ? | ? |
| Processor | ? | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 512 MB | ? raw hardware | ? raw hardware |
| Main Camera | - | - | 3 megapixel | 1 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | VGA (640 x 480) | ? | - |
| Front Camera | - | - | Yes | - | - |
| Weight |
4.34 oz (123g) |
5.01 oz (142g) |
3.31 oz (94g) |
4.5 oz (128g) |
2.08 oz (59g) |
| Dimensions |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
3.46" x 1.91" x 1.04" (88 x 49 x 26.4 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
iDEN: 800 |
GSM: 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | 1xRTT | LTE (Cat 3) | WiDEN | - |
| Features | |||||
| Flashlight | Yes | - | - | - | - |
| GPS / Location | Yes | n/a | n/a | Yes | - |
| Ruggedized | Yes | - | - | - | - |
| Accessibility | |||||
| Hearing Aid Compatible | - | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | - | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | - | - |
| USB | Yes | Yes | Yes | - | - |
| Wi-Fi | - | - | Yes | - | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | - |
| Ringer ID | Yes | n/a | n/a | Yes | - |
| Voice Dialing | - | n/a | n/a | Yes | - |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - | - |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | Yes | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - | - |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | - | - |
| EMS / Picture Messaging | - | n/a | n/a | - | Yes |
| Instant Messaging | Yes | n/a | n/a | - | - |
| MMS | Yes | n/a | n/a | Yes | - |
| Text Messaging Templates | Yes | n/a | n/a | Yes | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | Yes | n/a | n/a | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | - | Yes |
| Calculator | Yes | n/a | n/a | - | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | Yes | n/a | n/a | - | Yes |
| Voice Memo | Yes | n/a | n/a | Yes | - |
| Software | |||||
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes | - |
| Voice | |||||
| Headset Jack (2.5 mm) | - | n/a | n/a | Yes | - |
| Push-To-Talk | Yes | - | - | Yes | - |
| Speaker Phone | Yes | - | Yes | Yes | - |
| Samsung SGH-A657 | BlackBerry 7750 | Coolpad Quattro 4G | Motorola i870 / i875 | Ericsson T66 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A657 | BlackBerry 7750 | Coolpad Quattro 4G | Motorola i870 / i875 | Ericsson T66 |
