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DDR4/PCIe4 vs DDR5/PCIe5 for LLMs- I benchmarked them for pre-training. What are your thoughts?

Hello everyone. I've recently ran some experiments comparing DDR4/PCIe4 and DDR5/PCIe5 for AI workstations on a pre-training run, and would like to hear yours thoughts. First of all, and as a summary of my results ( code here: https://github.com/Any-Winter-4079/DDR4-PCIe-4-vs-DDR5-PCIe-5-for-CUDA-t…

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  1. 2026-10-01 20:42 · r/LocalLLaMA
    DDR4/PCIe4 vs DDR5/PCIe5 for LLMs- I benchmarked them for pre-training. What are your thoughts?

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