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| Phone | Samsung SGH-X640 | Motorola Droid Ultra | ZTE Blade Max 3 / Max Blue | Kyocera 3225 | Ericsson T66 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5" diag. 16 : 9 |
6" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) AMOLED |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
? LCD (Grayscale) |
? |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | 800 mAh | 2,130 mAh | 4,000 mAh | ? | ? |
| Processor | ? | 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960T | 2 GHz Qualcomm Snapdragon 625 (MSM8953) | ? | ? |
| RAM | ? | 2 GB | 2 GB | ? | ? |
| Storage | ? raw hardware | 16 GB | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 10 megapixel | 13 megapixel | - | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | 4K UHD | - | - |
| Front Camera | - | 2 megapixel | 5 megapixel | - | - |
| Weight |
3 oz (85g) |
4.83 oz (137g) |
6.34 oz (180g) |
4.23 oz (120g) |
2.08 oz (59g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.41" x 2.8" x 0.28" (137 x 71 x 7.2 mm) |
6.49" x 3.3" x 0.35" (165 x 84 x 8.9 mm) |
3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25 WCDMA: 2, 4, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
| Data Technology | GPRS | LTE (Cat 3) | LTE (Cat 4) | 1xRTT | - |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | - | Yes | - | - |
| GPS / Location | - | n/a | n/a | Yes | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | - | - |
| Hearing Aid Compatible | - | Yes | Yes | - | - |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - |
| Alerts | |||||
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
- | - |
| Mobile Hotspot | - | n/a | n/a | - | - |
| NFC | - | Yes | - | - | - |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
- | - |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 5 (802.11 ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | - | - |
| Ringer ID | Yes | n/a | n/a | - | - |
| Voice Dialing | - | n/a | n/a | Yes | - |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | n/a | - | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | - | Yes |
| Touch Screen | - | Yes | Yes | - | - |
| Memory | |||||
| Memory Card Slot | - | - | Yes | - | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | - | - |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes | Yes |
| Instant Messaging | - | n/a | n/a | - | - |
| MMS | Yes | n/a | n/a | - | - |
| Text Messaging Templates | Yes | n/a | n/a | - | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | - | n/a | n/a | - | - |
| Photo & Video | |||||
| Miracast | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | Yes | n/a | n/a | - | Yes |
| Voice Memo | Yes | n/a | n/a | - | - |
| Software | |||||
| BREW | - | n/a | n/a | Yes | - |
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | n/a | - | - |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| Samsung SGH-X640 | Motorola Droid Ultra | ZTE Blade Max 3 / Max Blue | Kyocera 3225 | Ericsson T66 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Motorola Droid Ultra | ZTE Blade Max 3 / Max Blue | Kyocera 3225 | Ericsson T66 |











