Intel Xeon Platinum 8156 vs Intel Xeon 6774P Full Specs
Xeon Platinum 81561,260
Xeon 6774P-4 Cores | 64 Cores |
8 Threads | 128 Threads |
Base Clock 3.6GHz | Base Clock 2.5GHz |
Boost Clock 3.7GHz | Boost Clock 3.9GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 64KB |
L1d 32KB | L1d 48KB |
L2 1MB | L2 2MB |
L3 16.5MB | L3 336MB |
Type DDR4 | Type · |
Max Memory 768GB | Max Memory 4.1TB |
ECC Yes | ECC Yes |
Channels 6 | Channels 8 |
Bus Width 384-bit | Bus Width 512-bit |
Speed 2666MT/s | Speed 8000MT/s |
Bandwidth 128GB/s | Bandwidth 512GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 128GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 512GB/s |
TDP 105W | TDP 350W |
Max Operating Temp - | Max Operating Temp 100°C Max |
T-Case 71°C Max | T-Case 81°C Max |
Included Cooler 0 | Included Cooler - |
Bus Type UPI | Bus Type - |
Bus Config 16-bit | Bus Config - |
Bus Speed 10.4GT/s | Bus Speed - |
Bus Bandwidth 20.8GB/s | Bus Bandwidth - |
PCIe PCIe 3.0 x4847.3GB/sBandwidth | PCIe PCIe 5.0 x136535.6GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Skylake-E - Skylake-SP-HCCVariant - - | Codename Granite Rapids-D 85Die Granite Rapids-XCCVariant Redwood CoveP-Core 64M-Core |
Market Segment Server | Market Segment Server |
Release Date Jul 11, 2017 | Release Date May 22, 2025 |
Foundry Intel | Foundry Intel |
Other Foundries - | Other Foundries IntelIO |
Fabrication Node 14nm - | Fabrication Node Intel 3 Intel 7IO |
Die Size 484mm² - | Die Size 1196mm² 482mm²IO |
Transistor Count 8.3 Billion | Transistor Count - |
Transistor Density 17 MTr/mm² | Transistor Density - |
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