Intel Xeon 6544P-B vs Intel Xeon Platinum 8378A Full Specs
Xeon 6544P-B-
Xeon Platinum 8378A1,39032 Cores | 32 Cores |
64 Threads | 64 Threads |
Base Clock 2GHz | Base Clock 3GHz |
Boost Clock 3.3GHz | Boost Clock 3.5GHz |
Overclocking Locked | Overclocking Locked |
L1i 64KB | L1i 32KB |
L1d 48KB | L1d 48KB |
L2 2MB | L2 1.25MB |
L3 128MB | L3 48MB |
Type DDR5 | Type DDR4 |
Max Memory 1.13TB | Max Memory 6.14TB |
ECC Yes | ECC Yes |
Channels 4 | Channels 8 |
Bus Width 256-bit | Bus Width 512-bit |
Speed 5600MT/s | Speed 3200MT/s |
Bandwidth 179.2GB/s | Bandwidth 204.8GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 179.2GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 204.8GB/s |
TDP 170W | TDP 300W |
T-Case 85°C Max | T-Case - |
Included Cooler - | Included Cooler 0 |
Bus Type - | Bus Type UPI |
Bus Config - | Bus Config 20-bit |
Bus Speed - | Bus Speed 11.2GT/s |
Bus Bandwidth - | Bus Bandwidth 28GB/s |
PCIe PCIe 5.0 x32126GB/sBandwidth | PCIe PCIe 4.0 x64126GB/sBandwidth |
PCIe Secondary PCIe 4.0 x1631.5GB/sBandwidth | - |
NPU Model - | NPU Model DL Boost |
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 32M-Core | Codename Ice Lake-SP - Ice Lake-SP-XCCVariant Sunny CoveP-Core - |
Market Segment Server | Market Segment Server |
Release Date Dec 1, 2025 | Release Date Apr 6, 2021 |
Foundry Intel | Foundry Intel |
Other Foundries IntelIO | Other Foundries - |
Fabrication Node Intel 3 Intel 7IO | Fabrication Node 10nm+ - |
Die Size 598mm² 482mm²IO | Die Size 628mm² - |
Transistor Count - | Transistor Count 34 Billion |
Transistor Density - | Transistor Density 54 MTr/mm² |
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