AMD EPYC 3401 vs AMD EPYC 3451 Full Specs
EPYC 3401740EPYC 345174516 Cores | 16 Cores |
32 Threads | 32 Threads |
Base Clock 1.85GHz | Base Clock 2.15GHz |
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 4 | Channels 4 |
Bus Width 256-bit | Bus Width 256-bit |
Speed 2666MT/s | Speed 2666MT/s |
Bandwidth 85.3GB/s | Bandwidth 85.3GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 85.3GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 85.3GB/s |
TDP 85W | TDP 100W |
cTDP-down - | cTDP-down 80W |
Max Operating Temp 105°C Max | Max Operating Temp 105°C Max |
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 3.0 x6463GB/sBandwidth | PCIe PCIe 3.0 x6463GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Snowy Owl ZeppelinDie Snowy Owl 16CVariant | Codename Snowy Owl ZeppelinDie Snowy Owl 16CVariant |
Market Segment Embedded | Market Segment Embedded |
Release Date Feb 1, 2018 | Release Date Feb 1, 2018 |
Foundry GlobalFoundries | Foundry GlobalFoundries |
Fabrication Node 14LP | Fabrication Node 14LP |
Die Size 426mm² | Die Size 426mm² |
Transistor Count 9.6 Billion | Transistor Count 9.6 Billion |
Transistor Density 23 MTr/mm² | Transistor Density 23 MTr/mm² |
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