AMD EPYC 9135 vs AMD EPYC 9255 Full Specs
EPYC 9135576GB/sEPYC 9255576GB/s16 Cores | 24 Cores |
32 Threads | 48 Threads |
Base Clock 3.65GHz | Base Clock 3.25GHz |
Boost Clock 4.3GHz | Boost Clock 4.3GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 48KB | L1d 48KB |
L2 1MB | L2 1MB |
L3 64MB | L3 128MB |
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 200W | TDP 200W |
cTDP-down 200W | cTDP-down 200W |
cTDP-up 240W | cTDP-up 240W |
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 |
Foundry TSMC | Foundry TSMC |
Other Foundries TSMCIO | Other Foundries TSMCIO |
Fabrication Node N4X N6IO | Fabrication Node N4X N6IO |
Die Size 141mm² 388mm²IO | Die Size 282mm² 388mm²IO |
Transistor Count 16.6 Billion 11 BillionIO | Transistor Count 33.3 Billion 11 BillionIO |
Transistor Density 118 MTr/mm² 28 MTr/mm²IO | Transistor Density 118 MTr/mm² 28 MTr/mm²IO |
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