AMD EPYC 7281 vs Intel Xeon E7-8855 v4 Full Specs
16 Cores 32 Threads 2.1GHz | 14 Cores 28 Threads 2.1GHz |
TDP 155W | TDP 140W |
Bandwidth 170.6GB/s DDR4 | Bandwidth 85.3GB/s DDR4 |
Socket | Socket |
16 Cores | 14 Cores |
32 Threads | 28 Threads |
Base Clock 2.1GHz | Base Clock 2.1GHz |
Boost Clock 3GHz | Boost Clock 2.8GHz |
Overclocking Locked | Overclocking Locked |
L1i 64KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 512KB | L2 256KB |
L3 32MB | L3 45MB |
Type DDR4 | Type DDR4 |
Max Memory 64GB | Max Memory 3.07TB |
ECC Yes | ECC Yes |
Channels 8 | Channels 4 |
Bus Width 512-bit | Bus Width 256-bit |
Speed 2666MT/s | Speed 2666MT/s |
Bandwidth 170.6GB/s | Bandwidth 85.3GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 155W | TDP 140W |
cTDP-up 170W | cTDP-up - |
T-Case - | T-Case 73°C Max |
Included Cooler - | Included Cooler 0 |
Bus Type PCIe | Bus Type QPI |
Bus Config 4 lanes | Bus Config 16-bit |
Bus Speed 8GT/s | Bus Speed 9.6GT/s |
Bus Bandwidth 4GB/s | Bus Bandwidth 19.2GB/s |
PCIe PCIe 4.0 x128252GB/sBandwidth | PCIe PCIe 3.0 x3231.5GB/sBandwidth |
Foundry GlobalFoundries | Foundry Intel |
Fabrication Node 14LP | Fabrication Node 14nm |
Die Size 852mm² | Die Size 456mm² |
Transistor Count 19.2 Billion | Transistor Count 7.2 Billion |
Transistor Density 23 MTr/mm² | Transistor Density 16 MTr/mm² |
