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| Phone | Samsung SGH-X640 | Kyocera Coast / Kona | Alcatel Idol 4S | Casio G'zOne Rock | BLU Life One X3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.4" diag. 4 : 3 |
5.5" diag. 16 : 9 |
2.1" diag. 4 : 3 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~534 ppi) AMOLED |
240 x 320 pixels (~190 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | 60 Hz |
| Battery | 800 mAh | 870 mAh | 3,000 mAh | 1,150 mAh | 5,000 mAh |
| Processor | ? | 480 MHz Qualcomm QSC6155 | 1.8 GHz Qualcomm Snapdragon 652 (MSM8976) | ? | 1.3 GHz MediaTek 6753 |
| RAM | ? | 128 MB | 3 GB | ? | 3 GB |
| Storage | ? raw hardware | 256 MB | 32 GB | ? raw hardware | 32 GB |
| Main Camera | Yes | 2 megapixel | 16 megapixel | 2 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | 4K UHD | ? | 1080p HD |
| Front Camera | - | - | 8 megapixel | - | 13 megapixel |
| Weight |
3 oz (85g) |
3.7 oz (105g) |
5.26 oz (149g) |
4.4 oz (125g) |
6.42 oz (182g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.94" x 2.05" x 0.68" (100 x 52 x 17.3 mm) |
6.06" x 2.97" x 0.28" (154 x 75 x 7 mm) |
4.1" x 2" x 0.9" (104 x 51 x 22.9 mm) |
6.02" x 2.97" x 0.35" (153 x 75 x 8.9 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 800, 850, 1700, 1900 |
4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 7, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | LTE (Cat 4) | EVDO rA | LTE (Cat 4) |
| Features | |||||
| Fingerprint Reader | - | - | Yes * | - |
Yes stand-alone |
| Flashlight | - | - | Yes | Yes | Yes |
| GPS / Location | - | Yes | n/a | Yes | n/a |
| Ruggedized | - | - | - | Yes | - |
| Water-Resistant | - | - | - | Yes | - |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | n/a | - | n/a |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | - | n/a |
| NFC | - | - | Yes | - | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | Yes | n/a | Yes | n/a |
| Voice Dialing | - | Yes | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | Yes | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | - | n/a | Yes | n/a |
| Dual-SIM | - | - | Yes * | - | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | n/a | Yes | n/a |
| EMS / Picture Messaging | Yes | - | n/a | - | n/a |
| Instant Messaging | - | - | n/a | Yes | n/a |
| MMS | Yes | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | Yes | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | - | - | n/a | Yes | n/a |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| Miracast | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | n/a |
| Calculator | Yes | Yes | n/a | Yes | n/a |
| Calendar | Yes | Yes | n/a | Yes | n/a |
| To-Do List | Yes | - | n/a | - | n/a |
| Voice Memo | Yes | Yes | n/a | Yes | n/a |
| Software | |||||
| BREW | - | - | n/a | Yes | n/a |
| Games | Yes | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | Yes | n/a | - | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | - | n/a | Yes | n/a |
| Push-To-Talk | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Kyocera Coast / Kona | Alcatel Idol 4S | Casio G'zOne Rock | BLU Life One X3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Kyocera Coast / Kona | Alcatel Idol 4S | Casio G'zOne Rock | BLU Life One X3 |
