Xeon E7-8855 v4
EPYC 7281
Intel Xeon E7-8855 v4 vs AMD EPYC 7281 Full Specs
14 Cores 28 Threads 2.1GHz | 16 Cores 32 Threads 2.1GHz |
TDP 140W | TDP 155W |
Bandwidth 85.3GB/s DDR4 | Bandwidth 170.6GB/s DDR4 |
Socket | Socket |
Xeon E7-8855 v4
EPYC 728114 Cores | 16 Cores |
28 Threads | 32 Threads |
Base Clock 2.1GHz | Base Clock 2.1GHz |
Boost Clock 2.8GHz | Boost Clock 2.7GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 64KB |
L1d 32KB | L1d 32KB |
L2 256KB | L2 512KB |
L3 45MB | L3 32MB |
Type DDR4 | Type DDR4 |
Max Memory 3.07TB | Max Memory 64GB |
ECC Yes | ECC Yes |
Channels 4 | Channels 8 |
Bus Width 256-bit | Bus Width 512-bit |
Speed 2666MT/s | Speed 2666MT/s |
Bandwidth 85.3GB/s | Bandwidth 170.6GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 140W | TDP 155W |
cTDP-up - | cTDP-up 170W |
T-Case 73°C Max | T-Case - |
Included Cooler 0 | Included Cooler - |
Bus Type QPI | Bus Type PCIe |
Bus Config 16-bit | Bus Config 4 lanes |
Bus Speed 9.6GT/s | Bus Speed 8GT/s |
Bus Bandwidth 19.2GB/s | Bus Bandwidth 4GB/s |
PCIe PCIe 3.0 x3231.5GB/sBandwidth | PCIe PCIe 3.0 x128126.1GB/sBandwidth |
Foundry Intel | Foundry GlobalFoundries |
Fabrication Node 14nm | Fabrication Node 14LP |
Die Size 456mm² | Die Size 852mm² |
Transistor Count 7.2B | Transistor Count 19.2B |
Transistor Density 16 MTr/mm² | Transistor Density 23 MTr/mm² |