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| Phone | Pantech Matrix Pro C820 | Samsung SGH-A157 | Kyocera K404 | Sony Xperia Pro |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
1.8" diag. 4 : 3 |
? |
6.5" diag. 21 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
104 x 90 pixels LCD (STN) |
1644 x 3840 pixels (~643 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,320 mAh | 800 mAh | 900 mAh | 4,000 mAh |
| Processor | 528 MHz ARM 11 | ? | ? | Qualcomm Snapdragon 865 |
| RAM | ? | ? | ? | 12 GB |
| Storage | ? raw hardware | 256 MB | ? raw hardware | 512 GB |
| Main Camera | 2 megapixel | - | - | 12 megapixel |
| Wide Camera | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | 12 megapixel |
| Video Capture | QCIF (176 x 144) | - | - | 4K UHD |
| Front Camera | - | - | - | 8 megapixel |
| Weight |
5.34 oz (151g) |
2.99 oz (85g) |
3.52 oz (100g) |
7.94 oz (225g) |
| Dimensions |
4.2" x 2" x 0.9" (107 x 51 x 22.9 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
4.45" x 1.89" x 0.91" (113 x 48 x 23.1 mm) |
6.7" x 3" x 0.4" (170 x 76 x 10.2 mm) |
| Form Factor | Slide | Clamshell | Slab | Slab |
| Platform / OS | Windows Mobile Standard | (proprietary) | (proprietary) | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
5G: 2, 5, 66, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | ? | 1xRTT | NR (5G) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | n/a | Yes | Yes | n/a |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | - | n/a |
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | - | Yes |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
- |
Yes USB Type C |
| Wi-Fi | - | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | - | n/a |
| Ringer ID | n/a | Yes | - | n/a |
| Voice Dialing | n/a | - | Yes | n/a |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | - | n/a |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | n/a | Yes | - | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | - | - | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | n/a | - | - | n/a |
| EMS / Picture Messaging | n/a | - | Yes | n/a |
| Instant Messaging | n/a | - | - | n/a |
| MMS | n/a | Yes | - | n/a |
| Text Messaging Templates | n/a | Yes | - | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | n/a | - | - | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| TV Output | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | Yes | - | n/a |
| Voice Memo | n/a | Yes | - | n/a |
| Software | ||||
| Games | n/a | - | Yes * | n/a |
| Java (J2ME) | n/a | - | - | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | - | Yes | n/a |
| Speaker Phone | Yes | Yes | - | Yes |
| * Some versions only | ||||
| Pantech Matrix Pro C820 | Samsung SGH-A157 | Kyocera K404 | Sony Xperia Pro | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Pantech Matrix Pro C820 | Samsung SGH-A157 | Kyocera K404 | Sony Xperia Pro |
