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| Phone | Samsung SGH-X640 | Samsung Galaxy S 4 mini (Sprint, U.S. Cellular) | Kyocera 2325 | Motorola ROKR Z6 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4.3" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) AMOLED |
? |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 800 mAh | 1,900 mAh | ? | 750 mAh |
| Processor | ? | 1.7 GHz Qualcomm Snapdragon MSM8930 Pro (MSM8930AB) | ? | ? |
| RAM | ? | 1.5 GB | ? | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 8 megapixel | - | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | - | ? |
| Front Camera | - | 2 megapixel | - | - |
| Weight |
3 oz (85g) |
3.77 oz (107g) |
4.34 oz (123g) |
4.06 oz (115g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.9" x 2.41" x 0.35" (124 x 61 x 8.9 mm) |
4.72" x 1.89" x 0.95" (120 x 48 x 24.1 mm) |
4.15" x 1.79" x 0.63" (105 x 45 x 16 mm) |
| Form Factor | Clamshell | Slab | Slab | Slide |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | LTE (Cat 3) | 1xRTT | EDGE |
| Features | ||||
| GPS / Location | - | n/a | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | - | - |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| Infrared (IR) | - | Yes | - | - |
| Mobile Hotspot | - | n/a | - | - |
| NFC | - | Yes | - | - |
| USB | - | Yes | - | Yes |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | - | Yes |
| Ringer ID | Yes | n/a | - | Yes |
| Voice Dialing | - | n/a | Yes | - |
| Customization | ||||
| Custom Graphics | Yes | n/a | - | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | - | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | - | Yes |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | - | Yes |
| EMS / Picture Messaging | Yes | n/a | Yes | Yes |
| Instant Messaging | - | n/a | - | Yes |
| MMS | Yes | n/a | - | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | - | n/a | - | Yes |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Miracast | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | Yes | n/a | - | Yes |
| Voice Memo | Yes | n/a | Yes | Yes |
| Software | ||||
| Games | Yes | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | - | Yes |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | Yes | - |
| Speaker Phone | Yes | Yes | Yes * | Yes |
| * Some versions only | ||||
| Samsung SGH-X640 | Samsung Galaxy S 4 mini (Sprint, U.S. Cellular) | Kyocera 2325 | Motorola ROKR Z6 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung Galaxy S 4 mini (Sprint, U.S. Cellular) | Kyocera 2325 | Motorola ROKR Z6 |
