Intel Xeon Gold 5220 vs Intel Xeon Gold 6138 Full Specs
18 Cores | 20 Cores |
36 Threads | 40 Threads |
Base Clock 2.2GHz | Base Clock 2GHz |
Boost Clock 3.9GHz | Boost Clock 3.7GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 1MB | L2 1MB |
L3 24.8MB | L3 27.5MB |
Type DDR4 | Type DDR4 |
Max Memory 1.02TB | Max Memory 768GB |
ECC Yes | ECC Yes |
Channels 6 | Channels 6 |
Bus Width 384-bit | Bus Width 384-bit |
Speed 2666MT/s | Speed 2666MT/s |
Bandwidth 128GB/s | Bandwidth 128GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 125W | TDP 125W |
T-Case - | T-Case 86°C Max |
Included Cooler 0 | Included Cooler 0 |
Bus Type UPI | Bus Type UPI |
Bus Config 16-bit | Bus Config 16-bit |
Bus Speed 10.4GT/s | Bus Speed 10.4GT/s |
Bus Bandwidth 20.8GB/s | Bus Bandwidth 20.8GB/s |
PCIe PCIe 3.0 x4847.3GB/sBandwidth | PCIe PCIe 3.0 x4847.3GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding ![]() | Branding ![]() |
Codename Cascade Lake-SP Cascade Lake-SP-HCCVariant | Codename Skylake-SP Skylake-SP-XCCVariant |
Market Segment Server | Market Segment Server |
Release Date Apr 2, 2019 | Release Date Jul 11, 2017 |
Foundry Intel | Foundry Intel |
Fabrication Node 14nm++ | Fabrication Node 14nm |
Die Size 486mm² | Die Size 698mm² |
Transistor Count 8.5 Billion | Transistor Count 11.9 Billion |
Transistor Density 17 MTr/mm² | Transistor Density 17 MTr/mm² |

