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| Phone | Sony Ericsson K850 | Palm Treo 600 (CDMA) | Siemens M55 | Google Pixel 3a XL |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? | ? |
6" diag. 18 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
160 x 160 pixels LCD (Color) |
101 x 80 pixels LCD (Color) |
1080 x 2160 pixels (~402 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | ? | ? | 700 mAh | 3,700 mAh |
| Processor | ? | ? | ? | 2 GHz Qualcomm Snapdragon 670 |
| RAM | ? | ? | ? | 4 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 64 GB |
| Main Camera | 5 megapixel | Yes | - | 12 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | - | 4K UHD |
| Front Camera | - | - | - | 8 megapixel |
| Weight |
4.2 oz (119g) |
6.2 oz (176g) |
2.93 oz (83g) |
5.89 oz (167g) |
| Dimensions |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm) |
3.98" x 1.81" x 0.83" (101 x 46 x 21.1 mm) |
6.3" x 3" x 0.3" (160 x 76 x 7.6 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Palm OS | (proprietary) | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | 1xRTT | GPRS | LTE (Cat 11) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes |
| GPS / Location | - | n/a | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | - | Yes |
| Infrared (IR) | - | Yes | - | - |
| NFC | - | - | - | Yes |
| USB | Yes | Yes | - |
Yes USB Type C |
| Wi-Fi | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | - | n/a |
| Ringer ID | Yes | n/a | - | n/a |
| Voice Dialing | Yes | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | Yes | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | Yes | n/a | Yes | n/a |
| EMS / Picture Messaging | - | n/a | Yes | n/a |
| MMS | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | - | n/a |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | n/a | - | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| Video Calling | Yes * | n/a | - | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | - | n/a |
| Calculator | Yes | n/a | - | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | Yes | n/a | - | n/a |
| Voice Memo | Yes | n/a | - | n/a |
| Software | ||||
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | Yes | n/a |
| Voice | ||||
| Call Screening | - | - | - | Yes |
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | - | n/a | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Sony Ericsson K850 | Palm Treo 600 (CDMA) | Siemens M55 | Google Pixel 3a XL | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson K850 | Palm Treo 600 (CDMA) | Siemens M55 | Google Pixel 3a XL |
