AMD EPYC 7401P vs Intel Xeon 6544P-B Full Specs
EPYC 7401P787
Xeon 6544P-B-24 Cores | 32 Cores |
48 Threads | 64 Threads |
Base Clock 2GHz | Base Clock 2GHz |
Boost Clock 3GHz | Boost Clock 3.3GHz |
Overclocking Locked | Overclocking Locked |
L1i 64KB | L1i 64KB |
L1d 32KB | L1d 48KB |
L2 512KB | L2 2MB |
L3 64MB | L3 128MB |
Type DDR4 | Type DDR5 |
Max Memory 64GB | Max Memory 1.13TB |
ECC Yes | ECC Yes |
Channels 8 | Channels 4 |
Bus Width 512-bit | Bus Width 256-bit |
Speed 2666MT/s | Speed 5600MT/s |
Bandwidth 170.6GB/s | Bandwidth 179.2GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 170.6GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 179.2GB/s |
TDP 155W | TDP 170W |
cTDP-up 170W | cTDP-up - |
T-Case - | T-Case 85°C Max |
Bus Type PCIe | Bus Type - |
Bus Config 4 lanes | Bus Config - |
Bus Speed 8GT/s | Bus Speed - |
Bus Bandwidth 4GB/s | Bus Bandwidth - |
PCIe PCIe 4.0 x128252GB/sBandwidth | PCIe PCIe 5.0 x32126GB/sBandwidth |
- | PCIe Secondary PCIe 4.0 x1631.5GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Naples ZeppelinDie - - - | Codename Granite Rapids-D 27Die Granite Rapids-HCCVariant Redwood CoveP-Core 32M-Core |
Market Segment Server | Market Segment Server |
Release Date Jun 1, 2017 | Release Date Dec 1, 2025 |
Foundry GlobalFoundries | Foundry Intel |
Other Foundries - | Other Foundries IntelIO |
Fabrication Node 14LP - | Fabrication Node Intel 3 Intel 7IO |
Die Size 852mm² - | Die Size 598mm² 482mm²IO |
Transistor Count 19.2 Billion | Transistor Count - |
Transistor Density 23 MTr/mm² | Transistor Density - |
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