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Main
Model
Price
Advantages
SENSOR Sensor size: Full frame (36 x 24 mm)
IMAGE ISO: Auto, 100 - 25600 in 1/3 stops, plus 50, 51200, 102400 as option
IMAGE Boosted ISO (minimum): 50
IMAGE Boosted ISO (maximum): 102400
PHOTOGRAPHY FEATURES Continuous drive: 6.0 fps
OPTICS & FOCUS Number of focus points: 61
PHYSICAL Weight (inc. batteries): 950 g (2.09 lb / 33.51 oz)
Main
Model
Price
Advantages
SENSOR Effective pixels: 36 megapixels
SENSOR Max resolution: 7360 x 4912
SENSOR Sensor photo detectors: 37 megapixels
IMAGE White balance presets: 12
PHOTOGRAPHY FEATURES Built-in flash: Yes
SCREEN / VIEWFINDER Screen dots: 1,229,000
VIDEOGRAPHY FEATURES Microphone: Stereo
PHYSICAL Battery Life (CIPA): 1200
Summary
The Nikon D810 highest resolution of 7360 x 4912 pixels (36 megapixels) is better in comparison with the EOS 5D Mark III highest resolution of 5760 x 3840 pixels (22 megapixels). The EOS 5D Mark III has bigger sensor compared to the Nikon D810: Full frame (36 x 24 mm) versus Full frame (35.9 x 24 mm). It is the most significant difference between these models because big sensor allows the photographer to capture photos of the better quality. The EOS 5D Mark III offers a wider ISO range of 100-25600 in compare with 64-12800 ISO range of the Nikon D810. This ISO range let you to capture good quality photos in low light conditions. The Nikon D810 offers more number of white balance presets - 12. This specification gives the photographer more control over colour. The EOS 5D Mark III provides more focus points in compare with the Nikon D810: 61 vs 51. More focus points means more convenience when attempting to focus on objects that are not centred.
The Nikon D810 display is better as it has more screen dots 1,229,000 in comparison to 1,040,000 dots of the EOS 5D Mark III screen. The higher dot count display is better for reviewing photos on your camera.
The Nikon D810 has built-in flash. The Nikon D810 battery life is better than the EOS 5D Mark III battery life. According to CIPA standards the camera owner will be able to produce 1200 photos with the D810 and only 950 with the EOS 5D Mark III. The EOS 5D Mark III weighs 950g which is 30g lighter in comparison with the weight of the Nikon D810.
Considering the above differences the Nikon D810 will become the best buy. Check the list of the best offers on Amazon