AMD Ryzen Threadripper PRO 3975WX vs Intel Core i7-3820 Full Specs
32 Cores | 4 Cores |
64 Threads | 8 Threads |
Base Clock 3.5GHz | Base Clock 3.6GHz |
Boost Clock 4.2GHz | Boost Clock 3.8GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 512KB | L2 256KB |
L3 128MB | L3 10MB |
Type DDR4 | Type DDR3 |
Max Memory 2.05TB | Max Memory 64GB |
ECC Yes | ECC No |
Channels 8 | Channels 4 |
Bus Width 512-bit | Bus Width 256-bit |
Speed 3200MT/s | Speed 1600MT/s |
Bandwidth 204.8GB/s | Bandwidth 51.2GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 280W | TDP 130W |
Peak Power 280W | Peak Power - |
Max Operating Temp 90°C Max | Max Operating Temp - |
T-Case - | T-Case 66.8°C Max |
Included Cooler 0 | Included Cooler 0 |
Bus Type PCIe | Bus Type DMI |
Bus Config 8 lanes | Bus Config 4 lanes |
Bus Speed 16GT/s | Bus Speed 5GT/s |
Bus Bandwidth 16GB/s | Bus Bandwidth 2.5GB/s |
PCIe PCIe 4.0 x128252GB/sBandwidth | PCIe PCIe 2.0 x4020GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Castle Peak Aspen HighlandsDie Castle Peak 4CCDVariant | Codename Sandy Bridge-E Sandy Bridge-EP-4Die Sandy Bridge-EP-4CVariant |
Market Segment Workstation | Market Segment Workstation |
Release Date Jul 14, 2020 | Release Date Feb 1, 2012 |
Foundry TSMC | Foundry Intel |
Other Foundries GlobalFoundriesIO | Other Foundries - |
Fabrication Node N7 12LPIO | Fabrication Node 32nm - |
Die Size 296mm² 416mm²IO | Die Size 294mm² - |
Transistor Count 15.2 Billion 8.3 BillionIO | Transistor Count 1.3 Billion - |
Transistor Density 51 MTr/mm² 20 MTr/mm²IO | Transistor Density 4 MTr/mm² - |
