Intel Xeon E5-1660 v2 vs Intel Xeon 6521P Full Specs
Xeon E5-1660 v2803
Xeon 6521P-6 Cores | 24 Cores |
12 Threads | 48 Threads |
Base Clock 3.7GHz | Base Clock 2.6GHz |
Boost Clock 4GHz | Boost Clock 4.1GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 64KB |
L1d 32KB | L1d 48KB |
L2 256KB | L2 2MB |
L3 15MB | L3 144MB |
Type · | Type DDR5 |
Max Memory 384GB | Max Memory 4.1TB |
ECC Yes | ECC Yes |
Channels 4 | Channels 8 |
Bus Width 256-bit | Bus Width 512-bit |
Speed 1866MT/s | Speed 6400MT/s |
Bandwidth 59.7GB/s | Bandwidth 409.6GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 59.7GB/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 - | T-Case 82°C Max |
Bus Type DMI | Bus Type - |
Bus Config 4 lanes | Bus Config - |
Bus Speed 5GT/s | Bus Speed - |
Bus Bandwidth 2.5GB/s | Bus Bandwidth - |
PCIe PCIe 3.0 x3231.5GB/sBandwidth | PCIe PCIe 5.0 x136535.6GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Ivy Bridge-E - Ivy Bridge-EVariant - - | Codename Granite Rapids-D 27Die Granite Rapids-HCCVariant Redwood CoveP-Core 24M-Core |
Market Segment Server | Market Segment Server |
Release Date Sep 10, 2013 | Release Date Feb 24, 2025 |
Foundry Intel | Foundry Intel |
Other Foundries - | Other Foundries IntelIO |
Fabrication Node 22nm - | Fabrication Node Intel 3 Intel 7IO |
Die Size 257mm² - | Die Size 598mm² 482mm²IO |
Transistor Count 1.9 Billion | Transistor Count - |
Transistor Density 7 MTr/mm² | Transistor Density - |
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