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Main
Model
Price
Advantages
PHOTOGRAPHY FEATURES Minimum shutter speed: 60 sec
PHOTOGRAPHY FEATURES Maximum shutter speed: 1/4000 sec
PHOTOGRAPHY FEATURES External flash: Yes (via hot-shoe or wireless)
PHOTOGRAPHY FEATURES WB Bracketing: Yes
SCREEN / VIEWFINDER Articulated LCD: Fully articulated
SCREEN / VIEWFINDER Viewfinder type: Electronic
OPTICS & FOCUS Optical zoom: 7.1×
OPTICS & FOCUS Number of focus points: 99
PHYSICAL Battery Life (CIPA): 350
CONNECTIVITY Remote control: Yes
OTHER FEATURES Timelapse recording: Yes
OTHER FEATURES GPS: Optional
Main
Model
Price
Advantages
SENSOR Effective pixels: 20 megapixels
SENSOR Max resolution: 5472 x 3648
SENSOR Sensor size: 1″ (13.2 x 8.8 mm)
SENSOR Sensor photo detectors: 21 megapixels
IMAGE White balance presets: 9
PHOTOGRAPHY FEATURES Continuous drive: 10.0 fps
SCREEN / VIEWFINDER Screen dots: 1,228,800
OPTICS & FOCUS Digital zoom: Yes (14x)
PHYSICAL Weight (inc. batteries): 240 g (0.53 lb / 8.47 oz)
CONNECTIVITY Wireless: Eye-Fi Connected
Summary
The Cyber-shot DSC-RX100 maximum resolution of 5472 x 3648 pixels (20 megapixels) is better in comparison with the Coolpix P7800 maximum resolution of 4000 x 3000 pixels (12 megapixels). The Cyber-shot DSC-RX100 is equipped with larger sensor than the Coolpix P7800: 1″ (13.2 x 8.8 mm) versus 1/1.7' (7.44 x 5.58 mm). It is very important specification of this camera as large sensor lets the camera owner to produce pictures of the higher quality. The Cyber-shot DSC-RX100 offers more presets of white balance - 9. It gives the camera owner more control over colour. The Sony Cyber-shot DSC-RX100 offers more powerful 14x digital zoom. The Coolpix P7800 offers more powerful 7x optical zoom. The Coolpix P7800 has more focus points in compare with the Cyber-shot DSC-RX100: 99 vs 25. More number of focus points means less risk of losing focus lock when following a moving object.
The Coolpix P7800 is equipped with articulated display that will allow the camera owner to make pictures from any interesting angle. The Cyber-shot DSC-RX100 screen is better as it offers more screen dots 1,228,800 in compare to 921,000 dots of the Coolpix P7800 display. The higher dot count screen is better for reviewing photos on your camera. The Coolpix P7800 offers better slowest (60 seconds) and highest (1/4000 second) shutter speeds.
The Coolpix P7800 supports external flash. It provides perfect control over the exposure and lighting of the subject in low light and in bright light situations when the camera owner needs to fill-flash. The Sony Cyber-shot DSC-RX100 that will help the camera owner to transfer pictures wirelessly from a camera to a laptop. The Coolpix P7800 battery life is better in compare to the Cyber-shot DSC-RX100 battery life. In accordance with CIPA standards you will be able to produce 350 shots with the Coolpix P7800 and only 330 with the Cyber-shot DSC-RX100. The Sony Cyber-shot DSC-RX100 weighs 240g which is 159g less in comparison with the weight of the Coolpix P7800. The Coolpix P7800 can utilize optional accessory GPS devices. This feature can be convenient if the camera owner is a traveller, to be able to check the photo metadata and see exactly where an image was taken.
Taking into account the above differences the Nikon Coolpix P7800 will be the best choice. Get the lowest price on Amazon