AMD EPYC 9755 DDR5-4800 vs. DDR5-6000 Memory Performance

Written by Michael Larabel in Memory on 14 October 2024 at 10:45 AM EDT. Page 5 of 9. 3 Comments.
NAMD benchmark with settings of Input: STMV with 1,066,628 Atoms. DDR5-6000 was the fastest.
GROMACS benchmark with settings of Implementation: MPI CPU, Input: water_GMX50_bare. DDR5-6000 was the fastest.
QuantLib benchmark with settings of Configuration: Multi-Threaded. DDR5-6000 was the fastest.
GPAW benchmark with settings of Input: Carbon Nanotube. DDR5-6000 was the fastest.
High Performance Conjugate Gradient benchmark with settings of X Y Z: 144 144 144, RT: 60. DDR5-6000 was the fastest.
NAS Parallel Benchmarks benchmark with settings of Test / Class: SP.C. DDR5-6000 was the fastest.
NAS Parallel Benchmarks benchmark with settings of Test / Class: IS.D. DDR5-6000 was the fastest.
NAS Parallel Benchmarks benchmark with settings of Test / Class: MG.C. DDR5-6000 was the fastest.
NAS Parallel Benchmarks benchmark with settings of Test / Class: CG.C. DDR5-4800 was the fastest.
NWChem benchmark with settings of Input: C240 Buckyball. DDR5-6000 was the fastest.
Xcompact3d Incompact3d benchmark with settings of Input: X3D-benchmarking input.i3d. DDR5-6000 was the fastest.

For most HPC workloads going for DDR5-6000 over DDR5-4800 with AMD EPYC Turin means a great deal better performance... Similar to what we've shown with the Intel Xeon 6900P Granite Rapids processors where MRDIMM 8800 memory can yield great uplift over DDR5-6400.

BRL-CAD benchmark with settings of VGR Performance Metric. DDR5-6000 was the fastest.
OpenFOAM benchmark with settings of Input: drivaerFastback, Medium Mesh Size, Execution Time. DDR5-6000 was the fastest.
OpenRadioss benchmark with settings of Model: Chrysler Neon 1M. DDR5-6000 was the fastest.

If upgrading from EPYC 9004 to EPYC 9005 for HPC work, it definitely would be advised for most workloads to also upgrade the DDR5 memory for maximum benefit.

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