Memory Bandwidth - 1.0 English

H.264/H.265 Video Decode Unit Solutions LogiCORE IP Product Guide (PG414)

Document ID
PG414
Release Date
2022-07-08
Version
1.0 English

The decoder memory bandwidth depends on frame rate, resolution, color depth, chroma format, and Decoder profile. The LogiCORE™ IP provides an estimate of decoder bandwidth based on the video parameters selected in the GUI.

Xilinx® recommends using the fastest DDR4 memory interface possible. Specifically, the 8x8-bit memory interface is more efficient than 4x16-bit memory interface because the x8 mode has four bank groups, whereas the x16 mode has only two and DDR4 memory allows for simultaneous bank group access.