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| Phone | Samsung SGH-X640 | LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus | CAT S48c | Kyocera 3225 | ZTE Blade 10 / Blade 10 Prime |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
6.1" diag. 19.5 : 9 |
5" diag. 16 : 9 |
? |
6.3" diag. 19 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
? LCD (Grayscale) |
1080 x 2280 pixels (~400 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 800 mAh | 3,500 mAh | 4,000 mAh | ? | 3,100 mAh |
| Processor | ? | 2 GHz MediaTek Helio P22 (MT6762) | 2.2 GHz Qualcomm Snapdragon 630 | ? | 2 GHz MediaTek Helio P60 (MT6771) |
| RAM | ? | 3 GB * | 4 GB | ? | 3 GB |
| Storage | ? raw hardware | 32 GB | 32 GB | ? raw hardware | 64 GB |
| Main Camera | Yes | 13 megapixel | 13 megapixel | - | 16 megapixel |
| Wide Camera | - | 5 megapixel | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | 4K UHD | - | 1080p HD |
| Front Camera | - | 8 megapixel | 5 megapixel | - | 16 megapixel |
| Weight |
3 oz (85g) |
6.1 oz (173g) |
9.1 oz (258g) |
4.23 oz (120g) |
5.5 oz (156g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
6.15" x 2.92" x 0.34" (156 x 74 x 8.6 mm) |
5.9" x 3" x 0.5" (150 x 76 x 12.7 mm) |
3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm) |
6.22" x 2.96" x 0.31" (158 x 75 x 7.9 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | GPRS | LTE (Cat 6) | LTE (Cat 13) | 1xRTT | LTE (Cat 6) |
| Features | |||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
Yes stand-alone |
| Flashlight | - | Yes | Yes | - | Yes |
| GPS / Location | - | n/a | n/a | Yes | n/a |
| Ruggedized | - | - | Yes | - | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | - | Yes |
| NFC | - | - | Yes | - | Yes |
| USB | - |
Yes USB Type C |
Yes USB Type C |
- |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | - | n/a |
| Ringer ID | Yes | n/a | n/a | - | n/a |
| Voice Dialing | - | n/a | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| EMS / Picture Messaging | Yes | n/a | n/a | Yes | n/a |
| MMS | Yes | n/a | n/a | - | n/a |
| Text Messaging Templates | Yes | n/a | n/a | - | n/a |
| Music | |||||
| FM Radio | - | Yes | Yes | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Power | |||||
| Fast Charging | - | - | Yes | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | n/a |
| Calculator | Yes | n/a | n/a | Yes | n/a |
| Calendar | Yes | n/a | n/a | Yes | n/a |
| To-Do List | Yes | n/a | n/a | - | n/a |
| Voice Memo | Yes | n/a | n/a | - | n/a |
| Software | |||||
| BREW | - | n/a | n/a | Yes | n/a |
| Games | Yes | n/a | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | n/a | - | n/a |
| Voice | |||||
| HD Voice | - | Yes | Yes | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes | n/a |
| Push-To-Talk | - | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus | CAT S48c | Kyocera 3225 | ZTE Blade 10 / Blade 10 Prime | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus | CAT S48c | Kyocera 3225 | ZTE Blade 10 / Blade 10 Prime |
