Intel Xeon E7-8891 v2 vs Intel Xeon 6781P Full Specs
Xeon E7-8891 v2677
Xeon 6781P-10 Cores | 80 Cores |
20 Threads | 160 Threads |
Base Clock 3.2GHz | Base Clock 2GHz |
Boost Clock 3.7GHz | Boost Clock 3.8GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 64KB |
L1d 32KB | L1d 48KB |
L2 256KB | L2 2MB |
L3 37.5MB | L3 336MB |
Type DDR3 | Type · |
Max Memory 1.54TB | Max Memory 4.1TB |
ECC Yes | ECC Yes |
Channels 4 | Channels 8 |
Bus Width 256-bit | Bus Width 512-bit |
Speed 1600MT/s | Speed 8000MT/s |
Bandwidth 51.2GB/s | Bandwidth 512GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 51.2GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 512GB/s |
TDP 155W | TDP 350W |
Max Operating Temp - | Max Operating Temp 97°C Max |
T-Case 77°C Max | T-Case 81°C Max |
Bus Type QPI | Bus Type - |
Bus Config 16-bit | Bus Config - |
Bus Speed 8GT/s | Bus Speed - |
Bus Bandwidth 16GB/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-EP - Ivy Bridge-EXVariant - - | Codename Granite Rapids-D 85Die Granite Rapids-XCCVariant Redwood CoveP-Core 80M-Core |
Market Segment Server | Market Segment Server |
Release Date Feb 18, 2014 | 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 541mm² - | Die Size 1196mm² 482mm²IO |
Transistor Count 4.3 Billion | Transistor Count - |
Transistor Density 8 MTr/mm² | Transistor Density - |
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