Intel Xeon E5-2643 v3 vs AMD EPYC 7262 Full Specs
6 Cores 12 Threads 3.4GHz | 8 Cores 16 Threads 3.2GHz |
TDP 135W | TDP 155W |
Bandwidth 68.3GB/s DDR4 | Bandwidth 204.8GB/s DDR4 |
Socket | Socket |
6 Cores | 8 Cores |
12 Threads | 16 Threads |
Base Clock 3.4GHz | Base Clock 3.2GHz |
Boost Clock 3.7GHz | Boost Clock 3.4GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 256KB | L2 512KB |
L3 20MB | L3 128MB |
Type DDR4 | Type DDR4 |
Max Memory 768GB | Max Memory 4.1TB |
ECC Yes | ECC Yes |
Channels 4 | Channels 8 |
Bus Width 256-bit | Bus Width 512-bit |
Speed 2133MT/s | Speed 3200MT/s |
Bandwidth 68.3GB/s | Bandwidth 204.8GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 135W | TDP 155W |
Bus Type QPI | Bus Type PCIe |
Bus Config 16-bit | Bus Config 8 lanes |
Bus Speed 9.6GT/s | Bus Speed 16GT/s |
Bus Bandwidth 19.2GB/s | Bus Bandwidth 16GB/s |
PCIe PCIe 3.0 x4039.4GB/sBandwidth | PCIe PCIe 4.0 x128252GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Haswell-E - Haswell-E-LCCVariant | Codename Rome Aspen HighlandsDie Rome 4CCDVariant |
Market Segment Server | Market Segment Server |
Release Date Sep 8, 2014 | Release Date Aug 7, 2019 |
Foundry Intel | Foundry TSMC |
Other Foundries - | Other Foundries GlobalFoundriesIO |
Fabrication Node 22nm - | Fabrication Node N7 12LPIO |
Die Size 354mm² - | Die Size 296mm² 416mm²IO |
Transistor Count 2.6 Billion - | Transistor Count 15.2 Billion 8.3 BillionIO |
Transistor Density 7 MTr/mm² - | Transistor Density 51 MTr/mm² 20 MTr/mm²IO |
