AMD EPYC 8434PN vs Intel Xeon 6766P-B Full Specs
EPYC 8434PN1,670
Xeon 6766P-B-48 Cores | 64 Cores |
96 Threads | 128 Threads |
Base Clock 2GHz | Base Clock 2.3GHz |
Boost Clock 3GHz | Boost Clock 3.5GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 64KB |
L1d 32KB | L1d 48KB |
L2 1MB | L2 2MB |
L3 128MB | L3 256MB |
Type DDR5 | Type DDR5 |
Max Memory 3.07TB | Max Memory 2.26TB |
ECC Yes | ECC Yes |
Channels 6 | Channels 8 |
Bus Width 384-bit | Bus Width 512-bit |
Speed 4800MT/s | Speed 6400MT/s |
Bandwidth 230.4GB/s | Bandwidth 409.6GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 230.4GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 409.6GB/s |
TDP 155W | TDP 305W |
T-Case - | T-Case 85°C Max |
Bus Type PCIe | Bus Type - |
Bus Config 8 lanes | Bus Config - |
Bus Speed 32GT/s | Bus Speed - |
Bus Bandwidth 32GB/s | Bus Bandwidth - |
PCIe PCIe 5.0 x96378GB/sBandwidth | PCIe PCIe 5.0 x32126GB/sBandwidth |
- | PCIe Secondary PCIe 4.0 x1631.5GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Siena VindhyaDie Siena 3CCDVariant - - | Codename Granite Rapids-D 85Die Granite Rapids-XCCVariant Redwood CoveP-Core 64M-Core |
Market Segment Server | Market Segment Server |
Release Date Sep 18, 2023 | Release Date Dec 1, 2025 |
Foundry TSMC | Foundry Intel |
Other Foundries TSMCIO | Other Foundries IntelIO |
Fabrication Node N5 N6IO | Fabrication Node Intel 3 Intel 7IO |
Die Size 234mm² 388mm²IO | Die Size 1196mm² 482mm²IO |
Transistor Count 22.5 Billion 11 BillionIO | Transistor Count - |
Transistor Density 96 MTr/mm² 28 MTr/mm²IO | Transistor Density - |
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