AMD EPYC 9845 vs AMD EPYC 9965 Full Specs
EPYC 9845576GB/sEPYC 9965576GB/s160 Cores | 192 Cores |
320 Threads | 384 Threads |
Base Clock 2.1GHz | Base Clock 2.25GHz |
Boost Clock 3.7GHz | Boost Clock 3.7GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 48KB | L1d 48KB |
L2 1MB | L2 1MB |
L3 320MB | L3 384MB |
Type DDR5 | Type DDR5 |
Max Memory 6.14TB | Max Memory 6.14TB |
ECC Yes | ECC Yes |
Channels 12 | Channels 12 |
Bus Width 768-bit | Bus Width 768-bit |
Speed 6000MT/s | Speed 6000MT/s |
Bandwidth 576GB/s | Bandwidth 576GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 576GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 576GB/s |
TDP 390W | TDP 500W |
cTDP-down 320W | cTDP-down 450W |
cTDP-up 400W | cTDP-up 500W |
Included Cooler 0 | Included Cooler 0 |
Bus Type PCIe | Bus Type PCIe |
Bus Config 8 lanes | Bus Config 8 lanes |
Bus Speed 32GT/s | Bus Speed 32GT/s |
Bus Bandwidth 32GB/s | Bus Bandwidth 32GB/s |
PCIe PCIe 5.0 x128504.1GB/sBandwidth | PCIe PCIe 5.0 x128504.1GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Turin Dense Turin Dense 10CCDVariant | Codename Turin Dense Turin Dense 12CCDVariant |
Market Segment Server | Market Segment Server |
Release Date Oct 10, 2024 | Release Date Oct 10, 2024 |
Foundry TSMC | Foundry TSMC |
Other Foundries TSMCIO | Other Foundries TSMCIO |
Fabrication Node N3E N6IO | Fabrication Node N3E N6IO |
Die Size 388mm²IO | Die Size 388mm²IO |
Transistor Count 11 BillionIO | Transistor Count 11 BillionIO |
Transistor Density 28 MTr/mm²IO | Transistor Density 28 MTr/mm²IO |
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