Intel 5th Gen Xeon Performance Benchmarks With DDR5-4800 vs. DDR5-5600

Written by Michael Larabel in Memory on 15 December 2023 at 10:15 AM EST. Page 2 of 4. 11 Comments.

High Performance Conjugate Gradient benchmark with settings of X Y Z: 104 104 104, RT: 60. DDR5-5600 was the fastest.

High Performance Conjugate Gradient benchmark with settings of X Y Z: 144 144 144, RT: 60. DDR5-5600 was the fastest.

With the well known HPCG benchmark that is sensitive to changes in CPU cache size/performance and system memory, moving from DDR5-4800 to DDR5-5600 memory increased the performance by around 10% for this memory-intensive HPC benchmark.

NAS Parallel Benchmarks benchmark with settings of Test / Class: BT.C. DDR5-5600 was the fastest.

NAS Parallel Benchmarks benchmark with settings of Test / Class: CG.C. DDR5-4800 was the fastest.

NAS Parallel Benchmarks benchmark with settings of Test / Class: IS.D. DDR5-5600 was the fastest.

NAS Parallel Benchmarks benchmark with settings of Test / Class: MG.C. DDR5-5600 was the fastest.

NAS Parallel Benchmarks benchmark with settings of Test / Class: SP.C. DDR5-5600 was the fastest.

For other HPC benchmarks there was a varying degree of impact from the system memory upgrade. Not all HPC codes are memory sensitive and also with the DDR5-5600 memory tested meant the higher latencies. In any event I wanted to put this data out there to help out those considering going from Sapphire Rapids to Emerald Rapids and help justify (or not) also upgrading the DDR5 ECC Registered memory or whether it makes sense investing in DDR5-5600 memory right now compared to the much more common DDR5-4800 server memory.

Xcompact3d Incompact3d benchmark with settings of Input: input.i3d 193 Cells Per Direction. DDR5-5600 was the fastest.

OpenRadioss benchmark with settings of Model: Chrysler Neon 1M. DDR5-5600 was the fastest.

LuxCoreRender benchmark with settings of Scene: Danish Mood, Acceleration: CPU. DDR5-5600 was the fastest.

LuxCoreRender benchmark with settings of Scene: LuxCore Benchmark, Acceleration: CPU. DDR5-5600 was the fastest.

LuxCoreRender benchmark with settings of Scene: Rainbow Colors and Prism, Acceleration: CPU. DDR5-5600 was the fastest.

In a number of the real-world workloads the upgrading from the DDR5-4800 to DDR5-5600 memory was up to a couple percent improvement in the benchmark results... Ultimately it comes down to how much that difference means to you for whether it's worthwhile investing in DDR5-5600 right now.

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