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| Phone | Pantech Matrix Pro C820 | Siemens M75 | Samsung Droid Charge | Asus ROG Phone II |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
4.3" diag. 5 : 3 |
6.6" diag. 19.5 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
1080 x 2340 pixels (~391 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | 120 Hz |
| Battery | 1,320 mAh | 750 mAh | 1,500 mAh | 6,000 mAh |
| Processor | 528 MHz ARM 11 | ? | 1 GHz Samsung Hummingbird | 3 GHz Qualcomm Snapdragon 855 Plus |
| RAM | ? | ? | ? | 12 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 512 GB |
| Main Camera | 2 megapixel | 1 megapixel | 8 megapixel | 48 megapixel |
| Wide Camera | - | - | - | 13 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | ? | 720p HD | 4K UHD |
| Front Camera | - | - | 1 megapixel | 24 megapixel |
| Weight |
5.34 oz (151g) |
3.88 oz (110g) |
5.06 oz (144g) |
8.47 oz (240g) |
| Dimensions |
4.2" x 2" x 0.9" (107 x 51 x 22.9 mm) |
4.35" x 2.03" x 0.82" (110 x 52 x 20.8 mm) |
5.1" x 2.68" x 0.46" (130 x 68 x 11.7 mm) |
6.73" x 3.06" x 0.37" (171 x 78 x 9.5 mm) |
| Form Factor | Slide | Slab | Slab | Slab |
| Platform / OS | Windows Mobile Standard | (proprietary) | Android | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 13 CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | GPRS | LTE (Cat 3) | LTE (Cat 20) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | - | n/a | n/a |
| Ruggedized | - | Yes | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | Yes | Yes |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth |
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 |
| USB | Yes | Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | n/a |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | - | - | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | n/a | Yes | n/a | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| TV Output | - | - | Yes | Yes |
| Video Calling | n/a | - | n/a | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| Games | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | n/a | n/a |
| Voice | ||||
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Pantech Matrix Pro C820 | Siemens M75 | Samsung Droid Charge | Asus ROG Phone II | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Pantech Matrix Pro C820 | Siemens M75 | Samsung Droid Charge | Asus ROG Phone II |
