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| Phone | Samsung SGH-X640 | Samsung SPH/SCH-N300 | Coolpad Quattro 4G | Samsung Nexus S |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
4" diag. 5 : 3 |
4" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 64 pixels |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | 800 mAh | ? | 1,600 mAh | 1,500 mAh |
| Processor | ? | ? | ? | 1 GHz Samsung Hummingbird Cortex A8 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 512 MB | 16 GB |
| Main Camera | Yes | - | 3 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | VGA (640 x 480) | WVGA / 480p |
| Front Camera | - | - | Yes | Yes |
| Weight |
3 oz (85g) |
4.1 oz (116g) |
3.31 oz (94g) |
4.55 oz (129g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.5" x 1.9" x 0.9" (114 x 48 x 22.9 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
4.88" x 2.48" x 0.43" (124 x 63 x 10.9 mm) |
| Form Factor | Clamshell | Flip | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
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| Data Technology | GPRS | - | LTE (Cat 3) | HSPA 7.2 |
| Features | ||||
| GPS / Location | - | Yes | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | - | n/a | n/a |
| TTY/TDD (Digital) | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a |
| NFC | - | - | - | Yes |
| USB | - | - | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | Yes |
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 | 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 | 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 |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | - | - | n/a | n/a |
| EMS / Picture Messaging | Yes | - | 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 | 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 | - | 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 |
| Speaker Phone | Yes | - | Yes | Yes |
| Samsung SGH-X640 | Samsung SPH/SCH-N300 | Coolpad Quattro 4G | Samsung Nexus S | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SPH/SCH-N300 | Coolpad Quattro 4G | Samsung Nexus S |
