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AMD AM5 are also not great at having enough PCIe lanes, hence at most one connected PCIe5 x16 GPU, if you need more it's x8 for 2 GPUs and so on, and that's bef
by tpm 2y ago
AMD AM5 are also not great at having enough PCIe lanes, hence at most one connected PCIe5 x16 GPU, if you need more it's x8 for 2 GPUs and so on, and that's before we connect fast M2 storage, fast USB4 slots etc. If you need more PCIe lanes, you have to buy a Threadripper or Epyc and that's easily 10 times the price for the whole system.
- colejohnson66 2y agoPCIe lanes and DDR channels take up the most pins on a CPU connector (ignoring power). The common solution (for desktops) is to have a newest generation protocol (5) at the CPU level, then use the chipset to fan out more lanes at a lower generation (4).
- tpm 2y agoI understand the tradeoff, but it left a segment of the market between pure consumer solutions and pure productivity/server solutions in no mans land.
- bee_rider 2y agoYeah. Theadripper/Epyc is what I’m thinking of—it isn’t obvious (to me at least) if it was just a coincidence of the chiplet strategy or what, if so it is an odd coincidence. The company that makes both CPUs and GPUs has ended up with data center CPUs that are a great match for the era where we really want data center CPUs that can host a ton of GPUs, haha.