Intel Xeon D-2799 vs Intel Xeon 6521P Full Specs
Xeon D-27991,260
Xeon 6521P-20 Cores | 24 Cores |
40 Threads | 48 Threads |
Base Clock 2.4GHz | Base Clock 2.6GHz |
Boost Clock 3.4GHz | Boost Clock 4.1GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 64KB |
L1d 48KB | L1d 48KB |
L2 1.25MB | L2 2MB |
L3 30MB | L3 144MB |
Type DDR4 | Type DDR5 |
Max Memory 1.02TB | Max Memory 4.1TB |
ECC Yes | ECC Yes |
Channels 4 | Channels 8 |
Bus Width 256-bit | Bus Width 512-bit |
Speed 3200MT/s | Speed 6400MT/s |
Bandwidth 102.4GB/s | Bandwidth 409.6GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 102.4GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 409.6GB/s |
TDP 129W | 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 8GT/s | Bus Speed - |
Bus Bandwidth 4GB/s | Bus Bandwidth - |
PCIe PCIe 4.0 x3263GB/sBandwidth | PCIe PCIe 5.0 x136535.6GB/sBandwidth |
NPU Model DL Boost | NPU Model - |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Ice Lake-SP - Ice Lake-SP-LCCVariant Sunny CoveP-Core - | Codename Granite Rapids-D 27Die Granite Rapids-HCCVariant Redwood CoveP-Core 24M-Core |
Market Segment Server | Market Segment Server |
Release Date Feb 1, 2022 | Release Date Feb 24, 2025 |
Foundry Intel | Foundry Intel |
Other Foundries - | Other Foundries IntelIO |
Fabrication Node 10nm+ - | Fabrication Node Intel 3 Intel 7IO |
Die Size 360mm² - | Die Size 598mm² 482mm²IO |
Transistor Count 19.5 Billion | Transistor Count - |
Transistor Density 54 MTr/mm² | Transistor Density - |
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