Intel Xeon 6518P-B vs Intel Xeon E5-2686 v4 Full Specs
20 Cores 40 Threads 2GHz | 18 Cores 36 Threads 2.3GHz |
TDP 150W | TDP 145W |
Bandwidth 153.6GB/s DDR5 | Bandwidth 76.8GB/s DDR4 |
iGPU 0 | iGPU 0 |
Socket | Socket |
Xeon 6518P-B-
Xeon E5-2686 v499020 Cores | 18 Cores |
40 Threads | 36 Threads |
Base Clock 2GHz | Base Clock 2.3GHz |
Boost Clock 3.5GHz | Boost Clock - |
Overclocking Locked | Overclocking Locked |
L1i 64KB | L1i 32KB |
L1d 48KB | L1d 32KB |
L2 2MB | L2 256KB |
L3 80MB | L3 45MB |
Type DDR5 | Type DDR4 |
Max Memory 1.13TB | Max Memory 1.54TB |
ECC Yes | ECC Yes |
Channels 4 | Channels 4 |
Bus Width 256-bit | Bus Width 256-bit |
Speed 4800MT/s | Speed 2400MT/s |
Bandwidth 153.6GB/s | Bandwidth 76.8GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 153.6GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 76.8GB/s |
TDP 150W | TDP 145W |
T-Case 85°C Max | T-Case - |
Included Cooler - | Included Cooler 0 |
Bus Type - | Bus Type QPI |
Bus Config - | Bus Config 16-bit |
Bus Speed - | Bus Speed 9.6GT/s |
Bus Bandwidth - | Bus Bandwidth 19.2GB/s |
PCIe PCIe 5.0 x32126GB/sBandwidth | PCIe PCIe 3.0 x4039.4GB/sBandwidth |
PCIe Secondary PCIe 4.0 x1631.5GB/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 20M-Core | Codename Broadwell-DE - Broadwell-E-HCCVariant - - |
Market Segment Server | Market Segment Server |
Release Date Dec 1, 2025 | Release Date Apr 1, 2016 |
Foundry Intel | Foundry Intel |
Other Foundries IntelIO | Other Foundries - |
Fabrication Node Intel 3 Intel 7IO | Fabrication Node 14nm - |
Die Size 598mm² 482mm²IO | Die Size 456mm² - |
Transistor Count - | Transistor Count 7.2 Billion |
Transistor Density - | Transistor Density 16 MTr/mm² |
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