Intel Xeon X5687 vs Intel Xeon 6521P Full Specs
Xeon X5687570
Xeon 6521P-4 Cores | 24 Cores |
8 Threads | 48 Threads |
Base Clock 3.6GHz | Base Clock 2.6GHz |
Boost Clock 3.8GHz | Boost Clock 4.1GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 64KB |
L1d 32KB | L1d 48KB |
L2 256KB | L2 2MB |
L3 12MB | L3 144MB |
Type DDR3 | Type DDR5 |
Max Memory 288GB | Max Memory 4.1TB |
ECC Yes | ECC Yes |
Channels 3 | Channels 8 |
Bus Width 192-bit | Bus Width 512-bit |
Speed 1333MT/s | Speed 6400MT/s |
Bandwidth 32GB/s | Bandwidth 409.6GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 32GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 409.6GB/s |
TDP 130W | TDP 225W |
Max Operating Temp - | Max Operating Temp 100°C Max |
T-Case 80.4°C Max | T-Case 82°C Max |
Voltage Range - | Voltage Range - |
Bus Type QPI | Bus Type - |
Bus Config 16-bit | Bus Config - |
Bus Speed 6.4GT/s | Bus Speed - |
Bus Bandwidth 12.8GB/s | Bus Bandwidth - |
- | PCIe PCIe 5.0 x136535.6GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Westmere-EP - - - - | Codename Granite Rapids-D 27Die Granite Rapids-HCCVariant Redwood CoveP-Core 24M-Core |
Market Segment Server | Market Segment Server |
Release Date Feb 14, 2011 | Release Date Feb 24, 2025 |
Foundry Intel | Foundry Intel |
Other Foundries - | Other Foundries IntelIO |
Fabrication Node 32nm - | Fabrication Node Intel 3 Intel 7IO |
Die Size 240mm² - | Die Size 598mm² 482mm²IO |
Transistor Count 1.2 Billion | Transistor Count - |
Transistor Density 5 MTr/mm² | Transistor Density - |
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