Intel Xeon Platinum 8280 vs AMD EPYC 9255 Full Specs
28 Cores | 24 Cores |
56 Threads | 48 Threads |
Base Clock 2.7GHz | Base Clock 3.25GHz |
Boost Clock 4GHz | Boost Clock 4.3GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 48KB |
L2 1MB | L2 1MB |
L3 38.5MB | L3 128MB |
Type DDR4 | Type DDR5 |
Max Memory 1.02TB | Max Memory 6.14TB |
ECC Yes | ECC Yes |
Channels 6 | Channels 12 |
Bus Width 384-bit | Bus Width 768-bit |
Speed 2933MT/s | Speed 6000MT/s |
Bandwidth 140.8GB/s | Bandwidth 576GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 205W | TDP 200W |
cTDP-down - | cTDP-down 200W |
cTDP-up - | cTDP-up 240W |
Included Cooler 0 | Included Cooler 0 |
Bus Type UPI | Bus Type PCIe |
Bus Config 16-bit | Bus Config 8 lanes |
Bus Speed 10.4GT/s | Bus Speed 32GT/s |
Bus Bandwidth 20.8GB/s | Bus Bandwidth 32GB/s |
PCIe PCIe 3.0 x4847.3GB/sBandwidth | PCIe PCIe 5.0 x128504.1GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Cascade Lake-SP - Cascade Lake-SP-XCCVariant | Codename Turin EldoraDie Turin 4CCDVariant |
Market Segment Server | Market Segment Server |
Release Date Apr 2, 2019 | Release Date Oct 10, 2024 |
Foundry Intel | Foundry TSMC |
Other Foundries - | Other Foundries TSMCIO |
Fabrication Node 14nm++ - | Fabrication Node N4X N6IO |
Die Size 700mm² - | Die Size 282mm² 388mm²IO |
Transistor Count 12.3 Billion - | Transistor Count 33.3 Billion 11 BillionIO |
Transistor Density 18 MTr/mm² - | Transistor Density 118 MTr/mm² 28 MTr/mm²IO |
