AMD releases EPYC Milan X server processors with huge cache
Hardware

AMD releases EPYC Milan-X server processors with huge cache

AMD today released a new family of server processors EPYC7003X, also known by the codename Milan-X. The novelties are improved versions of the Milan chips released a year ago: they are also based on Zen 3 cores, but at the same time they received much more cache memory due to the presence of additional 3D V-Cache memory crystals.

AMD releases EPYC Milan X server processors with huge cache

A total of four models were presented, which have 16 to 64 Zen 3 cores. All innovations consist of eight chiplets with cores, each of which has an additional memory chip installed. This provides 96MB of L3 cache per chiplet: 32MB on-die with cores and 64MB of 3D V-cache. As a result, every Milan X processor offers 768MB of L3 cache, even the junior 16-core EPYC 7373X.

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The presence of additional memory provides a noticeable boost in performance. AMD itself compares the new products to the usual EPYC Milan for certain tasks. The advantage of new chips is from 19 to 78%.

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The flagship of the new family is the EPYC 7773X with 64 cores and 128 threads, a base frequency of 2.2 GHz and a maximum boost frequency of 3.5 GHz. Next is the 32-core EPYC 7573X, which has 64 threads and operates at frequencies from 2.8 to 3.6 GHz. The third novelty was EPYC 7473X – a chip with 24 cores and 48 threads and frequencies from 2.8 to 3.7 GHz. The EPYC 7373X, a chip with 16 cores, 32 threads and frequencies from 3.05 to 3.8 GHz, became the youngest member of the Milan X family.

The two older innovations have a standard TDP of 280 watts, the two younger 240 watts. At the same time, the TDP display can be set in the range from 225 to 280 watts for each Milan-X. Also, among the common features of all new products, we note the presence of eight DDR4 memory channels and 128 PCI Express 4.0 lanes. Milan-X chips are manufactured in the same SP3 socket as their predecessors.

AMD EPYC 7003X processors will go on sale today. In terms of cost, the 16-core EPYC 7373X is $4185, the 24-core model is $3900, the 32-core EPYC 7573X is $5590, and finally the flagship 64-core EPYC 7773X $8800. For comparison, the flagship of the Milan series – EPYC 7763 – is valued at $7890 by the manufacturer.

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Dylan Harris

Dylan Harris is fascinated by tests and reviews of computer hardware.

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