While the whole world is waiting for AMD Milan server processors based on Zen 3 architecture, AMD is already working hard on their successors – the Genoa CPU family based on Zen 4 architecture. These will be the largest AMD processors with simply monstrous performance.
According to the source, the top-end Genoa models will have 96 computing cores, and the number of threads, respectively, 192. This means that the flagship processors of the line will have as many as 12 chiplets (CCD), each with eight cores on the Zen 4 architecture. 5-nanometer process technology, the CPU area will greatly increase: a completely new SP5 platform with a new LGA 6096 socket will debut with Genoa, which is one and a half times larger than the current LGA 4094 in the number of contacts. Again, despite the 5-nanometer process technology, the power consumption of the Genoa line CPU will increase : TDP declared at 320W, cTDP up to 400W. For comparison, the maximum TDP of CPU Milan is 280 W. It is logical to think that Genoa frequencies will grow relative to the CPUs of the Milan line and even more so Rome.
What’s New in SP5? For example, 128 PCIe Gen 5.0 lanes are assigned to it – and 160 lanes for dual-processor configurations. And the promised support for DDR5-5200 MHz RAM is a huge step forward compared to the currently used DDR4-3200 MHz memory. SP5 will provide support for 12 channels of DDR5 memory, with the connection of two modules per channel, this adds up to 3 TB of RAM in the system (when using modules with a capacity of 128 GB).
In general, the AMD Genoa CPU and the SP5 platform look very attractive – on paper, but we will find out how it will be in practice in the second half of the year. Apparently, the official announcement of the new AMD super-powerful server processors will take place in the fall, and they will become available to customers in 2022. Intel will respond to Genoa with its Sapphire Rapids Xeon CPUs, which will also support PCI Gen 5.0 and DDR5. But their release is not expected until 2023.
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