DDR5-6400 vs. DDR5-4800 R-DIMM Performance For Threadripper 9980X / 9970X CPUs

Written by Michael Larabel in Memory on 8 August 2025 at 10:40 AM EDT. Page 6 of 9. 19 Comments.

The video encoding performance impact from DDR5-4800 to DDR5-6400 wasn't as significant as some of the other workloads tested.

Similarly, the Threadripper 9000 series didn't lose any real performance for Blender CPU-based rendering when at DDR5-4800 speeds.

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