Intel Xeon 654 vs Intel Xeon 678X Full Specs
Xeon 654409.6GB/sXeon 678X512GB/s18 Cores | 48 Cores |
36 Threads | 96 Threads |
Base Clock 3.1GHz | Base Clock 2.4GHz |
Boost Clock 4.8GHz | Boost Clock 4.9GHz |
Overclocking Locked | Overclocking Unlocked |
L1i 64KB | L1i 64KB |
L1d 48KB | L1d 48KB |
L2 2MB | L2 2MB |
L3 72MB | L3 192MB |
Type DDR5 | Type · |
Max Memory 4.1TB | Max Memory 4.1TB |
ECC Yes | ECC Yes |
Channels 8 | Channels 8 |
Bus Width 512-bit | Bus Width 512-bit |
Speed 6400MT/s | Speed 8000MT/s |
Bandwidth 409.6GB/s | Bandwidth 512GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 409.6GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 512GB/s |
TDP 200W | TDP 300W |
Peak Power 240W | Peak Power 360W |
Max Operating Temp 96°C Max | Max Operating Temp 98°C Max |
T-Case 72°C Max | T-Case 82°C Max |
PCIe PCIe 5.0 x128504.1GB/sBandwidth | PCIe PCIe 5.0 x128504.1GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Granite Rapids-D 27Die Granite Rapids-HCCVariant Redwood CoveP-Core 18M-Core | Codename Granite Rapids-D 27Die Granite Rapids-HCCVariant Redwood CoveP-Core 48M-Core |
Market Segment Workstation | Market Segment Workstation |
Release Date Feb 2, 2026 | Release Date Feb 2, 2026 |
Foundry Intel | Foundry Intel |
Other Foundries IntelIO | Other Foundries IntelIO |
Fabrication Node Intel 3 Intel 7IO | Fabrication Node Intel 3 Intel 7IO |
Die Size 598mm² 482mm²IO | Die Size 598mm² 482mm²IO |
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