AMD Ryzen Threadripper PRO 3995WX vs Intel Core i7-3970X Full Specs
64 Cores | 6 Cores |
128 Threads | 12 Threads |
Base Clock 2.7GHz | Base Clock 3.5GHz |
Boost Clock 4.2GHz | Boost Clock 4GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 512KB | L2 256KB |
L3 256MB | L3 15MB |
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 150W |
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 8CCDVariant | Codename Sandy Bridge-E Sandy Bridge-EP-8Die Sandy Bridge-EP-8CVariant |
Market Segment Workstation | Market Segment Workstation |
Release Date Jul 14, 2020 | Release Date Nov 1, 2012 |
Foundry TSMC | Foundry Intel |
Other Foundries GlobalFoundriesIO | Other Foundries - |
Fabrication Node N7 12LPIO | Fabrication Node 32nm - |
Die Size 592mm² 416mm²IO | Die Size 435mm² - |
Transistor Count 30.4 Billion 8.3 BillionIO | Transistor Count 2.3 Billion - |
Transistor Density 51 MTr/mm² 20 MTr/mm²IO | Transistor Density 5 MTr/mm² - |



