 | Pentax K-x | Samsung ST45 |
|---|---|---|
| Resolution | 12.9 Megapixel | 12 Megapixel |
| Sensor type | CMOS | CCD |
| Digital zoom | No | Yes |
| Built-in flash | Yes | Yes |
| Video out | Yes | Yes |
| Video recording | Yes | Yes |
| File formats | JPEG, RAW, RAW - JPEG | JPEG |
| USB port | USB 2.0 Hi-Speed | USB 2.0 Hi-Speed |
| Firewire port | No | No |
| White balance | Auto, Cloudy, Daylight, Flash, Fluorescent, Manual, Shade, Tungsten | Auto |
| Self-timer | Yes | Yes |
| Bluetooth | No | No |
| Storage | SDHC, Secure Digital | SDHC, Secure Digital |
| Battery | 4x AA | Li-Ion |
| Maximum resolution | 4288x2428 pixels | 4000x3000 pixels |
| Optical zoom | No | Yes |
| Auto focus | Yes | Yes |
| Flash modes | anti red-eye, auto, fill in, off, slow flash | anti red-eye, auto, fill in, off, slow flash |
| Aperture priority | Yes | No |
| Shutter priority | Yes | No |
| External flash | Yes | No |
| Exposure compensation | -3EV - +3EV with 1/2 or 1/3EV steps | -2EV - +2EV with 1/3EV steps |
| Video sound | Yes | Yes |
| Frames per second (fps) | 24 | 0 |
| Optical viewfinder | Yes | No |
| Electronic viewfinder | No | No |
| LCD size | 2.7-inch | 2.7-inch |
| LCD monitor | Yes | Yes |
| Metering modes | Center weighted, Multi-segment, Spot | Center weighted |
| ISO ratings (light sensitivity) | auto, 100 - 12800 | auto, 100 - 3200 |
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