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| Phone | Samsung SGH-A657 | Pantech Matrix Pro C820 | Samsung SCH-A610 | Coolpad Conjr |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.4" diag. 4 : 3 |
? |
5" diag. 16 : 9 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,420 mAh | 1,320 mAh | 1,300 mAh | 2,500 mAh |
| Processor | ? | 528 MHz ARM 11 | ? | 1 GHz MediaTek MT6735 |
| RAM | ? | ? | ? | 3 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | - | 2 megapixel | Yes | 13 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | - | 1080p HD |
| Front Camera | - | - | - | 8 megapixel |
| Weight |
4.34 oz (123g) |
5.34 oz (151g) |
4.23 oz (120g) |
5.14 oz (146g) |
| Dimensions |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
4.2" x 2" x 0.9" (107 x 51 x 22.9 mm) |
3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm) |
5.72" x 2.86" x 0.35" (145 x 73 x 8.8 mm) |
| Form Factor | Slab | Slide | Clamshell | Slab |
| Platform / OS | (proprietary) | Windows Mobile Standard | (proprietary) | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | HSDPA 3.6 | 1xRTT | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | Yes | - | - | Yes |
| GPS / Location | Yes | n/a | Yes | n/a |
| Ruggedized | Yes | - | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | - |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| USB | Yes | Yes | - |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | n/a |
| Voice Dialing | - | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | n/a |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | 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 | Yes | n/a |
| Instant Messaging | Yes | n/a | - | n/a |
| MMS | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | n/a | - | n/a |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | Yes | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| BREW | - | n/a | Yes | n/a |
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | - | Yes |
| Samsung SGH-A657 | Pantech Matrix Pro C820 | Samsung SCH-A610 | Coolpad Conjr | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A657 | Pantech Matrix Pro C820 | Samsung SCH-A610 | Coolpad Conjr |
