AMD EPYC 7251 vs AMD EPYC 7281 Full Specs
EPYC 7251740EPYC 72817508 Cores | 16 Cores |
16 Threads | 32 Threads |
Base Clock 2.1GHz | Base Clock 2.1GHz |
Boost Clock 3GHz | Boost Clock 3GHz |
Overclocking Locked | Overclocking Locked |
L1i 64KB | L1i 64KB |
L1d 32KB | L1d 32KB |
L2 512KB | L2 512KB |
L3 32MB | L3 32MB |
Type DDR4 | Type DDR4 |
Max Memory 64GB | Max Memory 64GB |
ECC Yes | ECC Yes |
Channels 8 | Channels 8 |
Bus Width 512-bit | Bus Width 512-bit |
Speed 2400MT/s | Speed 2666MT/s |
Bandwidth 153.6GB/s | Bandwidth 170.6GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 153.6GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 170.6GB/s |
TDP 120W | TDP 155W |
cTDP-up - | cTDP-up 170W |
Bus Type PCIe | Bus Type PCIe |
Bus Config 4 lanes | Bus Config 4 lanes |
Bus Speed 8GT/s | Bus Speed 8GT/s |
Bus Bandwidth 4GB/s | Bus Bandwidth 4GB/s |
PCIe PCIe 4.0 x128252GB/sBandwidth | PCIe PCIe 4.0 x128252GB/sBandwidth |
Foundry GlobalFoundries | Foundry GlobalFoundries |
Fabrication Node 14LP | Fabrication Node 14LP |
Die Size 852mm² | Die Size 852mm² |
Transistor Count 19.2 Billion | Transistor Count 19.2 Billion |
Transistor Density 23 MTr/mm² | Transistor Density 23 MTr/mm² |
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