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| Phone | Samsung SGH-X640 | Sony Xperia Z2 | Ericsson T66 | ZTE Speed | ZTE MSGM8 II |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5.2" diag. 16 : 9 |
? |
4.5" diag. 16 : 9 |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
? |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
220 x 176 pixels (~130 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | ? |
| Battery | 800 mAh | 3,200 mAh | ? | 2,000 mAh | 900 mAh |
| Processor | ? | 2.3 GHz Qualcomm Snapdragon 801 MSM8974AB | ? | 1.2 GHz Qualcomm Snapdragon 410 MSM8916 | ? |
| RAM | ? | 3 GB | ? | 1 GB | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | Yes | 20 megapixel | - | 5 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 4K UHD | - | 720p HD | - |
| Front Camera | - | 2 megapixel | - | 2 megapixel | - |
| Weight |
3 oz (85g) |
5.75 oz (163g) |
2.08 oz (59g) |
4.8 oz (136g) |
3.65 oz (104g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.78" x 2.89" x 0.32" (147 x 73 x 8.2 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm) |
4.2" x 2.4" x 0.54" (107 x 61 x 13.7 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | GPRS | LTE (Cat 4) | - | LTE (Cat 3) | 1xRTT |
| Features | |||||
| GPS / Location | - | n/a | - | n/a | Yes |
| Ruggedized | - | Yes | - | - | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | n/a | - |
| Hearing Aid Compatible | - | - | - | Yes | Yes |
| Multiple Languages | Yes | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | - | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - |
Yes Classic Audio |
- |
Yes Classic Audio |
Yes Classic Audio |
| Mobile Hotspot | - | n/a | - | n/a | - |
| NFC | - | Yes | - | - | - |
| USB | - |
Yes Micro-USB |
- |
Yes Micro-USB |
Yes Mini-USB |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | n/a | - | n/a | Yes |
| Ringer ID | Yes | n/a | - | n/a | Yes |
| Voice Dialing | - | n/a | - | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes | n/a | Yes |
| Real-Music Ringers | - | n/a | - | n/a | Yes |
| Data & Network | |||||
| Data Tethering | - | n/a | - | n/a | - |
| WAP / Web Browser | Yes | n/a | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | - | Yes | - | Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | - | n/a | - |
| EMS / Picture Messaging | Yes | n/a | Yes | n/a | - |
| Instant Messaging | - | n/a | - | n/a | - |
| MMS | Yes | n/a | - | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes | n/a | - |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - |
| Music Player | - | n/a | - | n/a | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| Miracast | - | Yes | - | - | - |
| TV Output | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes | n/a | Yes |
| To-Do List | Yes | n/a | Yes | n/a | - |
| Voice Memo | Yes | n/a | - | n/a | Yes |
| Software | |||||
| BREW | - | n/a | - | n/a | Yes |
| Games | Yes | n/a | Yes | n/a | Yes |
| Java (J2ME) | Yes | n/a | - | n/a | - |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | - | n/a | Yes |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| Samsung SGH-X640 | Sony Xperia Z2 | Ericsson T66 | ZTE Speed | ZTE MSGM8 II | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Sony Xperia Z2 | Ericsson T66 | ZTE Speed | ZTE MSGM8 II |
