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| Phone | Samsung Galaxy S 4 (GSM) | Pantech Matrix Pro C820 | Apple iPhone 4 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
5" diag. 16 : 9 |
2.4" diag. 4 : 3 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
1080 x 1920 pixels (~441 ppi) AMOLED |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz |
| Battery | 2,600 mAh | 1,320 mAh | ? |
| Processor | 1.9 GHz Qualcomm Snapdragon 600 8064T | 528 MHz ARM 11 | ? |
| RAM | 2 GB | ? | ? |
| Storage | 16 GB * | ? raw hardware | 8 GB * |
| Main Camera | 13 megapixel | 2 megapixel | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 1080p HD | QCIF (176 x 144) | 720p HD |
| Front Camera | 2 megapixel | - | Yes |
| Weight |
4.59 oz (130g) |
5.34 oz (151g) |
4.8 oz (136g) |
| Dimensions |
5.38" x 2.75" x 0.31" (137 x 70 x 7.9 mm) |
4.2" x 2" x 0.9" (107 x 51 x 22.9 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
| Platform / OS | Android | Windows Mobile Standard | iOS |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
|
| Data Technology | LTE (Cat 3) | HSDPA 3.6 | EVDO rA |
| Features | |||
| Flashlight | Yes | - | - |
| Accessibility | |||
| Hearing Aid Compatible | Yes | - | Yes |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Ringer Profiles | - | Yes | - |
| Connectivity | |||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | Yes | - | - |
| NFC | Yes | - | - |
| USB | Yes | Yes | Yes |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - |
| Touch Screen | Yes | - | Yes |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | Yes |
| Photo & Video | |||
| DLNA | Yes | - | - |
| Miracast | Yes | - | - |
| TV Output | Yes | - | Yes |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| Samsung Galaxy S 4 (GSM) | Pantech Matrix Pro C820 | Apple iPhone 4 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S 4 (GSM) | Pantech Matrix Pro C820 | Apple iPhone 4 (CDMA) |











