AMD EPYC 9655P vs Intel Xeon 6978P Full Specs
EPYC 9655P576GB/s
Xeon 6978P844.8GB/s96 Cores | 120 Cores |
192 Threads | 240 Threads |
Base Clock 2.6GHz | Base Clock 2.1GHz |
Boost Clock 4.5GHz | Boost Clock 3.9GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 64KB |
L1d 48KB | L1d 48KB |
L2 1MB | L2 2MB |
L3 384MB | L3 504MB |
Type DDR5 | Type · |
Max Memory 6.14TB | Max Memory 3.07TB |
ECC Yes | ECC Yes |
Channels 12 | Channels 12 |
Bus Width 768-bit | Bus Width 768-bit |
Speed 6000MT/s | Speed 8800MT/s |
Bandwidth 576GB/s | Bandwidth 844.8GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 576GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 844.8GB/s |
TDP 400W | TDP 500W |
cTDP-down 320W | cTDP-down - |
cTDP-up 400W | cTDP-up - |
Max Operating Temp - | Max Operating Temp 94°C Max |
T-Case - | T-Case 80°C Max |
Included Cooler 0 | Included Cooler - |
Bus Type PCIe | Bus Type UPI |
Bus Config 8 lanes | Bus Config 24-bit |
Bus Speed 32GT/s | Bus Speed 24GT/s |
Bus Bandwidth 32GB/s | Bus Bandwidth 72GB/s |
PCIe PCIe 5.0 x128504.1GB/sBandwidth | PCIe PCIe 5.0 x96378GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Turin EldoraDie Turin 12CCDVariant - - | Codename Granite Rapids-AP - Granite Rapids-UCCVariant Redwood CoveP-Core 120M-Core |
Market Segment Server | Market Segment Server |
Release Date Oct 10, 2024 | Release Date Jul 1, 2025 |
Foundry TSMC | Foundry Intel |
Other Foundries TSMCIO | Other Foundries IntelIO |
Fabrication Node N4X N6IO | Fabrication Node Intel 3 Intel 7IO |
Die Size 846mm² 388mm²IO | Die Size 598mm² 482mm²IO |
Transistor Count 99.8 Billion 11 BillionIO | Transistor Count - |
Transistor Density 118 MTr/mm² 28 MTr/mm²IO | Transistor Density - |
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