Main
Model
Price
Advantages
launch
Announced
Body type
Camera subcategory
Sensor
Effective pixels
Max resolution
Sensor size
Sensor type
Processor
Image ratio w:h
Sensor photo detectors
Image
ISO
Boosted ISO (minimum)
White balance presets
Custom white balance
Image stabilization
Uncompressed format
JPEG quality levels
Boosted ISO (maximum)
Photography features
Minimum shutter speed
Maximum shutter speed
Maximum shutter speed (electronic)
Aperture priority
Shutter priority
Manual exposure mode
Subject / scene modes
Built-in flash
Flash range
External flash
Flash modes
Continuous drive
Self-timer
Metering modes
Exposure compensation
AE Bracketing
WB Bracketing
Screen / viewfinder
Articulated LCD
Screen size
Screen dots
Touch screen
Screen type
Live view
Viewfinder type
Viewfinder coverage
Viewfinder magnification
Videography features
File Format
Microphone
Speaker
Optics & Focus
Autofocus
Digital zoom
Manual focus
Number of focus points
Lens mount
Focal length multiplier
Physical
Weight (inc. batteries)
Dimensions
Environmentally sealed
Battery
Battery details
Battery Life (CIPA)
Storage
Storage types
Connectivity
USB
HDMI
Microphone port
Headphone port
Wireless
Wireless notes
Remote control
USB charging
Other features
Orientation sensor
Timelapse recording
GPS
Samples
Videos
Summary
The Nikon D850 maximum resolution of 8256 x 5504 pixels (46 megapixels) is better in comparison with the Lumix DC-GX850 (Lumix DC-GX800 / Lumix DC-GF9) highest resolution of 4592 x 3448 pixels (16 megapixels). The Nikon D850 is equipped with bigger sensor than the Lumix DC-GX850 (Lumix DC-GX800 / Lumix DC-GF9): Full frame (35.9 x 23.9 mm) versus Four Thirds (17.3 x 13 mm). It is the most important specification of this camera as big sensor allows the camera owner to capture pictures of the higher quality. The Nikon D850 offers a wider ISO range of 64-25600 than 200-25600 ISO range of the Lumix DC-GX850 (Lumix DC-GX800 / Lumix DC-GF9). Such ISO range let the photographer to capture good quality pictures in low light conditions. The Nikon D850 offers more presets of white balance - 14. It gives the camera owner more control over colour. The Nikon D850 provides more number of focus points than the Lumix DC-GX850 (Lumix DC-GX800 / Lumix DC-GF9): 151 vs 49. More number of focus points means more convenience when attempting to focus on subjects that are not centred.
The Nikon D850 display is better as it offers more number of screen dots 2,359,000 in compare to 1,040,000 dots of the Lumix DC-GX850 (Lumix DC-GX800 / Lumix DC-GF9) screen. The higher dot count display is better for reviewing pictures on your camera. The Lumix DC-GX850 (Lumix DC-GX800 / Lumix DC-GF9) offers better lowest shutter speed - 60 seconds.
The Lumix DC-GX850 (Lumix DC-GX800 / Lumix DC-GF9) is produced with built-in flash. The D850 supports external flash. It provides perfect control over the exposure and lighting of the object in low light or in bright light conditions when you need to fill-flash. The Nikon D850 battery life is better than the Lumix DC-GX850 (Lumix DC-GX800 / Lumix DC-GF9) battery life. In accordance with CIPA standards the photographer will be able to take 1840 shots with the D850 and only 210 with the Lumix DC-GX850 (Lumix DC-GX800 / Lumix DC-GF9). The Lumix DC-GX850 (Lumix DC-GX800 / Lumix DC-GF9) weighs 269g which is 736g less in comparison with the weight of the D850.
Taking into account the above differences the Nikon D850 will become the best choice. Check the lowest price on Amazon.