Intel Xeon E7-4820 v3 vs Intel Xeon E5-4620 Full Specs
10 Cores | 8 Cores |
20 Threads | 16 Threads |
Base Clock 1.9GHz | Base Clock 2.2GHz |
Boost Clock 1.9GHz | Boost Clock - |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 256KB | L2 256KB |
L3 25MB | L3 16MB |
Type · | Type DDR3 |
Max Memory 1.54TB | Max Memory 384GB |
ECC Yes | ECC Yes |
Channels 4 | Channels 4 |
Bus Width 256-bit | Bus Width 256-bit |
Speed 1866MT/s | Speed 1333MT/s |
Bandwidth 59.7GB/s | Bandwidth 42.7GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 115W | TDP 95W |
Bus Type QPI | Bus Type QPI |
Bus Config 16-bit | Bus Config 16-bit |
Bus Speed 6.4GT/s | Bus Speed 7.2GT/s |
Bus Bandwidth 12.8GB/s | Bus Bandwidth 14.4GB/s |
PCIe PCIe 3.0 x3231.5GB/sBandwidth | PCIe PCIe 3.0 x4039.4GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Haswell-EP - Haswell-E-HCCVariant | Codename Sandy Bridge-E Sandy Bridge-EP-8Die Sandy Bridge-EP-8CVariant |
Market Segment Server | Market Segment Server |
Release Date May 6, 2015 | Release Date May 14, 2012 |
Foundry Intel | Foundry Intel |
Fabrication Node 22nm | Fabrication Node 32nm |
Die Size 662mm² | Die Size 435mm² |
Transistor Count 5.7 Billion | Transistor Count 2.3 Billion |
Transistor Density 9 MTr/mm² | Transistor Density 5 MTr/mm² |
