Here is a quick comparison for the Sony A99II vs Nikon D810 cameras with full-frame image sensors.

Sony A99II features a 42.4-megapixel full-frame CMOS sensor. The sensor allows for 12 fps burst shooting with continuous AF/AE and a top ISO of 102,400. The image processor offers 4K video recording and a 5-axis in-body image stabilization mechanism.

Nikon D810 features a 36.3 megapixel sensor with no optical low pass filter. The full-frame DSLR comes with Expeed 4 image processing engine, 51-point auto-focus system and 5fps burst shooting at full resolution.
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