AMD Zen 6 “Ryzen” CPUs Reportedly Codenamed Medusa, Feature 2.5D Interconnect With Increased Bandwidth
AMD's next-gen Zen 6 CPUs for clients which include Ryzen chips will reportedly be labeled under the "Medusa" codename.
Based on information shared by @Olrak29_, it looks like AMD has finalized the codename for its client desktop CPUs based on the next-gen Zen 6 architecture. The upcoming Zen 5 desktop CPU lineup will fall under the Granite Ridge codename while the Zen 5 desktop CPU lineup will feature the Medusa codename. These chips aren't expected to arrive until late 2025 / early 2026 so it will be some time before AMD officially starts sharing information on them as even Zen 5 isn't detailed much (officially).
Medusa is the codename of Zen 6 client
— Everest (@Olrak29_) January 4, 2024
In addition to the codename, it also looks like AMD's Zen 6 client CPUs, or Medusa, will be utilizing a brand new interconnect based around a 2.5D chiplet design. This design is said to allow for higher chip-to-chip bandwidth so that the Zen 6 CCDs can communicate faster through each CCD and also with the IOD.
Yes, I have teased this before...
Medusa will use 2.5D interconnect with a much higher bandwidth https://t.co/G8Ep211iBr
— Everest (@Olrak29_) January 5, 2024
A die representation was showcased using a Navi 31 GPU with the two MCD stacks representing the dual CCDs and the small portion of the GCD representing the IOD. This might hint that the Zen 6 "Ryzen" CPUs might once again adopt a dual CCD chiplet design with a single IO die. The IOD might get bigger to incorporate next-gen technologies but we can't say for sure right now.
Some additional details pointed out are that Medusa CPUs (Ryzen Zen 6 Desktop) will not be stacking the CCDs on top of the IOD due to higher costs associated with such designs. AMD might experiment with these
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