AMD released its latest roadmap for the server CPUs, and in that, we finally got to see the number of core counts to be expected on the Zen4 powered EPYC Genoa ‘7004’ and EPYC Embedded ‘3004’ series processors. It has been confirmed that the Zen4 will be launched in 2022.
The latest leak state that AMD’s Zen 4 processors, or the Zen 4 powered EPYC CPUs, will be launching in 2022. And the way AMD has put its roadmap, we can guess that the new architecture will get a launch around mid of 2022. We will first get the Genoa ‘7004’ CPUs followed by EPYC Embedded ‘3004’ CPUs in Q1 2023.
The roadmap also revealed the CPUs getting the Zen4 treatment is given below, along with their details:
AMD EPYC CPU Families:
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| Family Name | AMD EPYC Naples | AMD EPYC Rome | AMD EPYC Milan | AMD EPYC Genoa |
| Family Branding | EPYC 7001 | EPYC 7002 | EPYC 7003 | EPYC 7004? |
| Family Launch | 2017 | 2019 | 2021 | 2022 |
| CPU Architecture | Zen 1 | Zen 2 | Zen 3 | Zen 4 |
| Process Node | 14nm GloFo | 7nm TSMC | 7nm TSMC | 5nm TSMC |
| Platform Name | SP3 | SP3 | SP3 | SP5 |
| Socket | LGA 4094 | LGA 4094 | LGA 4094 | LGA 6096 |
| Max Core Count | 32 | 64 | 64 | 96 |
| Max Thread Count | 64 | 128 | 128 | 192 |
| Max L3 Cache | 64 MB | 256 MB | 256 MB | 384 MB? |
| Chiplet Design | 4 CCD’s (2 CCX’s per CCD) | 8 CCD’s (2 CCX’s per CCD) + 1 IOD | 8 CCD’s (1 CCX per CCD) + 1 IOD | 12 CCD’s (1 CCX per CCD) + 1 IOD |
| Memory Support | DDR4-2666 | DDR4-3200 | DDR4-3200 | DDR5-5200 |
| Memory Channels | 8 Channel | 8 Channel | 8 Channel | 12 Channel |
| PCIe Gen Support | 64 Gen 3 | 128 Gen 4 | 128 Gen 4 | 128 Gen 5 |
| TDP Range | 200W | 280W | 280W | 320W (cTDP 400W) |
