The Canon EOS 5D Mark IV outperforms the Canon EOS 5D Mark III in video capabilities with a score of 91/100 compared to the Mark III’s 56/100. Both cameras share some common specifications, such as Full HD video resolution and a maximum video dimension of 1920 x 1080. Canon EOS 5D Mark IV at Adorama US for $2,299; With the increase in resolution over the 5D Mark III, there is the worry that results will display more noise, especially in the upper reaches of 2 days ago · A- A+ The Canon 5D Mark III vs 5D Mark IV. They are two of the most popular cameras on the market. But which one is better for you? In this article, we’ll compare the two to help you make a decision. The Canon 5D Mark III was released in 2012 and is still a very popular camera. It has a 22.3 MP sensor and can shoot up to 6 frames per second. Canon EOS 5D Mark III vs. Canon EOS 5DS vs. Canon EOS 5DS R. Side by side. 3 cameras compared. ADD CAMERA Canon EOS 5D Mark III. Canon EOS 5DS. Canon EOS 5DS R 8yZpTwf.