Intel Xeon E5-2623 v3 vs Intel Xeon E3-1275 Full Specs
4 Cores 8 Threads 3GHz | 4 Cores 8 Threads 3.4GHz |
TDP 105W | TDP 95W |
Bandwidth 59.7GB/s DDR4 | Bandwidth 21.3GB/s DDR3 |
iGPU - | iGPU |
·· - | ·· 259.2 GFLOPSFP32 |
Socket | Socket |
4 Cores | 4 Cores |
8 Threads | 8 Threads |
Base Clock 3GHz | Base Clock 3.4GHz |
Boost Clock 3.5GHz | Boost Clock 3.8GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 256KB | L2 256KB |
L3 10MB | L3 8MB |
Type DDR4 | Type DDR3 |
Max Memory 768GB | Max Memory 32GB |
ECC Yes | ECC Yes |
Channels 4 | Channels 2 |
Bus Width 256-bit | Bus Width 128-bit |
Speed 1866MT/s | Speed 1333MT/s |
Bandwidth 59.7GB/s | Bandwidth 21.3GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 105W | TDP 95W |
T-Case - | T-Case 72.6°C Max |
Bus Type QPI | Bus Type DMI |
Bus Config 16-bit | Bus Config 4 lanes |
Bus Speed 8GT/s | Bus Speed 5GT/s |
Bus Bandwidth 16GB/s | Bus Bandwidth 2.5GB/s |
PCIe PCIe 3.0 x4039.4GB/sBandwidth | PCIe PCIe 2.0 x168GB/sBandwidth |
iGPU - | iGPU |
Shaders - | Shaders 96 |
Boost Clock - | Boost Clock 1.35GHz |
·· - | ·· 259.2 GFLOPSFP32 |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Haswell-E - Haswell-E-LCCVariant | Codename Gladden Sandy Bridge-HE-4Die Sandy Bridge-4C-GT2Variant |
Market Segment Server | Market Segment Server |
Release Date Sep 8, 2014 | Release Date Apr 3, 2011 |
Foundry Intel | Foundry Intel |
Fabrication Node 22nm | Fabrication Node 32nm |
Die Size 354mm² | Die Size 216mm² |
Transistor Count 2.6 Billion | Transistor Count 1.2 Billion |
Transistor Density 7 MTr/mm² | Transistor Density 5 MTr/mm² |
