Intel Core i9-7940X vs Intel Core i7-7820X Full Specs
Core i9-7940X1,437
Core i7-7820X1,42714 Cores | 8 Cores |
28 Threads | 16 Threads |
Base Clock 3.1GHz | Base Clock 3.6GHz |
Boost Clock 4.4GHz | Boost Clock 4.5GHz |
Overclocking Unlocked | Overclocking Unlocked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 1MB | L2 1MB |
L3 19.3MB | L3 11MB |
Type DDR4 | Type DDR4 |
Max Memory 128GB | Max Memory 128GB |
ECC No | ECC No |
Channels 4 | Channels 4 |
Bus Width 256-bit | Bus Width 256-bit |
Speed 2666MT/s | Speed 2666MT/s |
Bandwidth 85.3GB/s | Bandwidth 85.3GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 85.3GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 85.3GB/s |
TDP 165W | TDP 140W |
Max Operating Temp 102°C Max | Max Operating Temp 99°C Max |
Included Cooler 0 | Included Cooler 0 |
Bus Type DMI | Bus Type DMI |
Bus Config 4 lanes | Bus Config 4 lanes |
Bus Speed 8GT/s | Bus Speed 8GT/s |
Bus Bandwidth 4GB/s | Bus Bandwidth 4GB/s |
PCIe PCIe 3.0 x4443.3GB/sBandwidth | PCIe PCIe 3.0 x2827.6GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Skylake-E Skylake-SP-HCCVariant | Codename Skylake-E Skylake-SP-LCCVariant |
Market Segment Workstation | Market Segment Workstation |
Release Date Sep 25, 2017 | Release Date Jun 19, 2017 |
Foundry Intel | Foundry Intel |
Fabrication Node 14nm | Fabrication Node 14nm |
Die Size 484mm² | Die Size 322mm² |
Transistor Count 8.3 Billion | Transistor Count 5.5 Billion |
Transistor Density 17 MTr/mm² | Transistor Density 17 MTr/mm² |
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