Intel Xeon E5-2658A v3 vs AMD EPYC 3351 Full Specs
12 Cores 24 Threads 2.2GHz | 12 Cores 24 Threads 1.9GHz |
TDP 105W | TDP 80W |
Bandwidth 68.3GB/s DDR4 | Bandwidth 85.3GB/s DDR4 |
Socket | Socket |
12 Cores | 12 Cores |
24 Threads | 24 Threads |
Base Clock 2.2GHz | Base Clock 1.9GHz |
Boost Clock 2.9GHz | Boost Clock 3GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 64KB |
L1d 32KB | L1d 32KB |
L2 256KB | L2 512KB |
L3 30MB | L3 32MB |
Type DDR4 | Type DDR4 |
Max Memory 768GB | Max Memory 64GB |
ECC Yes | ECC Yes |
Channels 4 | Channels 4 |
Bus Width 256-bit | Bus Width 256-bit |
Speed 2133MT/s | Speed 2666MT/s |
Bandwidth 68.3GB/s | Bandwidth 85.3GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 105W | TDP 80W |
cTDP-down - | cTDP-down 60W |
Max Operating Temp - | Max Operating Temp 105°C Max |
Bus Type QPI | Bus Type PCIe |
Bus Config 16-bit | Bus Config 4 lanes |
Bus Speed 9.6GT/s | Bus Speed 8GT/s |
Bus Bandwidth 19.2GB/s | Bus Bandwidth 4GB/s |
PCIe PCIe 3.0 x4039.4GB/sBandwidth | PCIe PCIe 3.0 x6463GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding ![]() | Branding ![]() |
Codename Haswell-EN - Haswell-E-MCCVariant | Codename Snowy Owl ZeppelinDie Snowy Owl 16CVariant |
Market Segment Embedded | Market Segment Embedded |
Release Date Jan 1, 2015 | Release Date Feb 1, 2018 |
Foundry Intel | Foundry GlobalFoundries |
Fabrication Node 22nm | Fabrication Node 14LP |
Die Size 492mm² | Die Size 426mm² |
Transistor Count 3.8 Billion | Transistor Count 9.6 Billion |
Transistor Density 8 MTr/mm² | Transistor Density 23 MTr/mm² |



