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| Phone | Palm Treo 755p | Sony Ericsson Z310 | Sony Xperia Z2 | Samsung Comeback T559 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
5.2" diag. 16 : 9 |
2.6" diag. 5 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
400 x 240 pixels (~179 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,600 mAh | ? | 3,200 mAh | 960 mAh |
| Processor | 312 MHz Intel XScale | ? | 2.3 GHz Qualcomm Snapdragon 801 MSM8974AB | ? |
| RAM | ? | ? | 3 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware |
| Main Camera | 1 megapixel | Yes | 20 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | CIF (352 x 288) | - | 4K UHD | QVGA (320 x 240) |
| Front Camera | - | - | 2 megapixel | - |
| Weight |
5.64 oz (160g) |
3.2 oz (91g) |
5.75 oz (163g) |
4.6 oz (130g) |
| Dimensions |
4.4" x 2.3" x 0.84" (112 x 58 x 21.3 mm) |
3.4" x 1.8" x 1" (86 x 46 x 25.4 mm) |
5.78" x 2.89" x 0.32" (147 x 73 x 8.2 mm) |
4.33" x 2.2" x 0.73" (110 x 56 x 18.5 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Palm OS | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | EDGE | LTE (Cat 4) | HSDPA 3.6 |
| Features | ||||
| 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 | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | Yes | Yes | - | - |
| Mobile Hotspot | n/a | - | n/a | - |
| NFC | - | - | Yes | - |
| USB | Yes | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | Yes |
| Voice Dialing | n/a | - | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | Yes |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | - |
| External Antenna Jack | n/a | - | n/a | - |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | Yes |
| Touch Screen | Yes | - | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | Yes |
| Instant Messaging | n/a | - | n/a | Yes |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | n/a | - | n/a | Yes |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Miracast | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| To-Do List | n/a | Yes | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | Yes | n/a | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | - | n/a | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Palm Treo 755p | Sony Ericsson Z310 | Sony Xperia Z2 | Samsung Comeback T559 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 755p | Sony Ericsson Z310 | Sony Xperia Z2 | Samsung Comeback T559 |
