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|  |  |  | |
| Phone | AT&T Vista | Sony Xperia Z2 | Motorola EM330 / EM28 | 
| Current U.S. Carriers | (none) | (none) | (none) | 
| Global Availability | Released | Not yet released | Released | 
| Specifications | |||
|---|---|---|---|
| Display Size | 5.5" diag. 18 : 9 | 5.2" diag. 16 : 9 | 1.8" diag. 4 : 3 | 
| Display Resolution & Type | 720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) | 1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) | 128 x 160 pixels (~114 ppi) LCD (TFT/TFD) | 
| Display Refresh | 60 Hz | 60 Hz | ? | 
| Battery | 2,450 mAh | 3,200 mAh | 940 mAh | 
| Processor | 2 GHz MediaTek Helio A22 (MT6761V) | 2.3 GHz Qualcomm Snapdragon 801 MSM8974AB | ? | 
| RAM | 3 GB | 3 GB | ? | 
| Storage | 32 GB | 16 GB | ? raw hardware | 
| Main Camera | 8 megapixel | 20 megapixel | 1 megapixel | 
| Wide Camera | - | - | - | 
| Tele Camera | - | - | - | 
| Video Capture | 1080p HD | 4K UHD | ? | 
| Front Camera | 5 megapixel | 2 megapixel | - | 
| Weight | 5.51 oz (156g) | 5.75 oz (163g) | 3.17 oz (90g) | 
| Dimensions | 5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) | 5.78" x 2.89" x 0.32" (147 x 73 x 8.2 mm) | 3.71" x 1.95" x 0.68" (94 x 50 x 17.4 mm) | 
| Form Factor | Slab | Slab | Clamshell | 
| Platform / OS | Android | Android | (proprietary) | 
| Network Bands | 4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 | 4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 | GSM: 850, 1800, 1900 | 
| Data Technology | LTE (Cat 4) | LTE (Cat 4) | EDGE | 
| Features | |||
| Flashlight | Yes | - | - | 
| GPS / Location | n/a | n/a | - | 
| Ruggedized | - | Yes | - | 
| Water-Resistant | - | Yes IPX8 (SCUBA) | - | 
| Accessibility | |||
| Adjustable Text Size | n/a | n/a | - | 
| Hearing Aid Compatible | Yes | - | Yes | 
| Multiple Languages | n/a | n/a | Yes | 
| TTY/TDD (Digital) | - | Yes | Yes | 
| Alerts | |||
| Extra Display | - | - | Yes | 
| Connectivity | |||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| Mobile Hotspot | n/a | n/a | - | 
| NFC | - | Yes | - | 
| USB | Yes USB Type C | Yes Micro-USB | Yes Mini-USB | 
| Wi-Fi | Yes | Yes 5 (802.11 a,ac,b,g,n) | - | 
| Contacts | |||
| Picture ID | n/a | n/a | - | 
| Ringer ID | n/a | n/a | - | 
| Voice Dialing | n/a | n/a | - | 
| Customization | |||
| Custom Graphics | n/a | n/a | Yes | 
| Custom Ringtones | n/a | n/a | Yes | 
| Real-Music Ringers | n/a | n/a | Yes | 
| Data & Network | |||
| Data Tethering | n/a | n/a | - | 
| WAP / Web Browser | n/a | n/a | Yes | 
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes | 
| Side Keys | Yes | Yes | Yes | 
| Touch Screen | Yes | Yes | - | 
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes | 
| Messaging | |||
| Email Client | n/a | n/a | - | 
| EMS / Picture Messaging | n/a | n/a | Yes | 
| Instant Messaging | n/a | n/a | - | 
| MMS | n/a | n/a | Yes | 
| Text Messaging Templates | n/a | n/a | Yes | 
| Music | |||
| FM Radio | - | Yes | Yes | 
| Headphone Jack (3.5mm) | Yes | Yes | Yes | 
| Music Player | n/a | n/a | Yes | 
| Photo & Video | |||
| DLNA | - | Yes | - | 
| Miracast | - | Yes | - | 
| TV Output | - | Yes | - | 
| Productivity | |||
| Alarm | n/a | n/a | Yes | 
| Calculator | n/a | n/a | Yes | 
| Calendar | n/a | n/a | Yes | 
| To-Do List | n/a | n/a | - | 
| Voice Memo | n/a | n/a | - | 
| Software | |||
| Games | n/a | n/a | Yes | 
| Java (J2ME) | n/a | n/a | Yes | 
| Voice | |||
| HD Voice | Yes | - | - | 
| Speaker Phone | Yes | Yes | Yes | 
| AT&T Vista | Sony Xperia Z2 | Motorola EM330 / EM28 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  | |
| Phone | AT&T Vista | Sony Xperia Z2 | Motorola EM330 / EM28 | 
 









