Intel Xeon 636 vs Intel Xeon 658X Full Specs
Xeon 636204.8GB/sXeon 658X409.6GB/s12 Cores | 24 Cores |
24 Threads | 48 Threads |
Base Clock 3.5GHz | Base Clock 3GHz |
Boost Clock 4.7GHz | Boost Clock 4.9GHz |
Overclocking Locked | Overclocking Unlocked |
L1i 64KB | L1i 64KB |
L1d 48KB | L1d 48KB |
L2 2MB | L2 2MB |
L3 48MB | L3 144MB |
Type DDR5 | Type DDR5 |
Max Memory 2.05TB | Max Memory 4.1TB |
ECC Yes | ECC Yes |
Channels 4 | Channels 8 |
Bus Width 256-bit | Bus Width 512-bit |
Speed 6400MT/s | Speed 6400MT/s |
Bandwidth 204.8GB/s | Bandwidth 409.6GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 204.8GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 409.6GB/s |
TDP 170W | TDP 250W |
Peak Power 204W | Peak Power 300W |
Max Operating Temp 101°C Max | Max Operating Temp 99°C Max |
T-Case 73°C Max | T-Case 75°C Max |
PCIe PCIe 5.0 x80315GB/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 16Die Granite Rapids-LCCVariant Redwood CoveP-Core 12M-Core | Codename Granite Rapids-D 27Die Granite Rapids-HCCVariant Redwood CoveP-Core 24M-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 - 482mm²IO | Die Size 598mm² 482mm²IO |
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