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| Phone | Sony Ericsson Z550a | HTC ThunderBolt | Sony Xperia Z3 Compact | Motorola i275 | Sony Ericsson K850 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
1.9" diag. 4 : 3 |
4.3" diag. 5 : 3 |
4.6" diag. 16 : 9 |
? |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~319 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (Color) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | ? | 1,400 mAh | 2,600 mAh | 750 mAh | ? |
| Processor | ? | 1 GHz Qualcomm Snapdragon S2 MSM8655 | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) | ? | ? |
| RAM | ? | 768 MB | 2 GB | ? | ? |
| Storage | ? raw hardware | 8 GB | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 8 megapixel | 20 megapixel | Yes | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 720p HD | 4K UHD | - | ? |
| Front Camera | - | 1 megapixel | 2 megapixel | - | - |
| Weight |
3.26 oz (92g) |
5.78 oz (164g) |
4.55 oz (129g) |
4.6 oz (130g) |
4.2 oz (119g) |
| Dimensions |
3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm) |
4.8" x 2.6" x 0.52" (122 x 66 x 13.2 mm) |
5" x 2.56" x 0.34" (127 x 65 x 8.6 mm) |
4.8" x 1.93" x 0.98" (122 x 49 x 24.9 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
4G LTE: 13 CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
iDEN: 800 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | LTE (Cat 3) | LTE (Cat 4) | - | HSDPA 3.6 |
| Features | |||||
| Flashlight | - | Yes | - | - | - |
| 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 M3, T4 (very tele-coil compatible) |
- | - |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | Yes | - | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | - | Yes |
| Mobile Hotspot | - | n/a | n/a | - | - |
| NFC | - | - | Yes | - | - |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
- | Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | - | Yes |
| Ringer ID | Yes | n/a | n/a | Yes | Yes |
| Voice Dialing | Yes | n/a | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - | Yes |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | Yes | 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 | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | - | Yes |
| Instant Messaging | - | n/a | n/a | - | - |
| MMS | Yes | n/a | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes | Yes |
| Music | |||||
| FM Radio | Yes | Yes | Yes | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | Yes | n/a | n/a | - | Yes |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| DLNA | - | Yes | Yes | - | - |
| Miracast | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Video Calling | - | n/a | n/a | - | Yes * |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | - | Yes |
| Calculator | Yes | n/a | n/a | - | 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 | Yes | Yes |
| Software | |||||
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes | Yes |
| Voice | |||||
| Call Screening | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | n/a | n/a | Yes | - |
| Push-To-Talk | Yes * | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Sony Ericsson Z550a | HTC ThunderBolt | Sony Xperia Z3 Compact | Motorola i275 | Sony Ericsson K850 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson Z550a | HTC ThunderBolt | Sony Xperia Z3 Compact | Motorola i275 | Sony Ericsson K850 |
