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| Phone | Samsung M520 | Samsung Galaxy S II Skyrocket | Sony Xperia Z3 Compact | Sony Ericsson K850 | Palm Treo 680 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
4.5" diag. 5 : 3 |
4.6" diag. 16 : 9 |
2.2" diag. 4 : 3 |
? |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~207 ppi) AMOLED |
720 x 1280 pixels (~319 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | ? | 1,850 mAh | 2,600 mAh | ? | ? |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S3 APQ8060 | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) | ? | ? |
| RAM | ? | 1 GB | 2 GB | ? | ? |
| Storage | ? raw hardware | 16 GB | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 8 megapixel | 20 megapixel | 5 megapixel | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 1080p HD | 4K UHD | ? | CIF (352 x 288) |
| Front Camera | - | 2 megapixel | 2 megapixel | - | - |
| Weight |
2.75 oz (78g) |
4.71 oz (133g) |
4.55 oz (129g) |
4.2 oz (119g) |
5.5 oz (156g) |
| Dimensions |
4.01" x 2.04" x 0.5" (102 x 52 x 12.7 mm) |
5.12" x 2.72" x 0.35" (130 x 69 x 9 mm) |
5" x 2.56" x 0.34" (127 x 65 x 8.6 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
4.4" x 2.3" x 0.8" (112 x 58 x 20.3 mm) |
| Form Factor | Slide | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | Palm OS |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 4, 17 WCDMA: 1, 2, 5 GSM: 850, 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 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | LTE (Cat 3) | LTE (Cat 4) | HSDPA 3.6 | EDGE |
| Features | |||||
| GPS / Location | Yes | n/a | n/a | - | n/a |
| Ruggedized | - | - | Yes | - | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | - | n/a |
| Hearing Aid Compatible | Yes | Yes | Yes | - | - |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | - | - | - | Yes |
| Mobile Hotspot | - | n/a | n/a | - | n/a |
| NFC | - | Yes | Yes | - | - |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | n/a | Yes | n/a |
| Voice Dialing | Yes | 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 |
| Real-Music Ringers | - | n/a | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | Yes | n/a |
| External Antenna Jack | - | n/a | n/a | - | 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 | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | - | Yes | Yes | - | Yes |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | Yes | n/a |
| Instant Messaging | - | n/a | n/a | - | n/a |
| MMS | - | n/a | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | Yes | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | Yes | n/a | n/a | Yes | n/a |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| DLNA | - | Yes | Yes | - | - |
| Miracast | - | - | Yes | - | - |
| TV Output | - | Yes | Yes | - | - |
| Video Calling | - | n/a | n/a | Yes * | n/a |
| Power | |||||
| Fast Charging | - | - | 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 | Yes | n/a |
| Voice Memo | Yes | n/a | n/a | Yes | n/a |
| Software | |||||
| Games | Yes | n/a | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | n/a | Yes | n/a |
| Voice | |||||
| Call Screening | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | n/a | n/a | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung M520 | Samsung Galaxy S II Skyrocket | Sony Xperia Z3 Compact | Sony Ericsson K850 | Palm Treo 680 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung M520 | Samsung Galaxy S II Skyrocket | Sony Xperia Z3 Compact | Sony Ericsson K850 | Palm Treo 680 |
