CPUs

Intel Xeon E5-1620 vs Intel Xeon E5-2440 Full Specs

4 Cores
8 Threads
3.6GHz
6 Cores
12 Threads
2.4GHz
TDP
130W
TDP
95W
Bandwidth
51.2GB/s
DDR3
Bandwidth
32GB/s
DDR3
iGPU
0
iGPU
0
Socket
Socket

Xeon E5-1620Xeon E5-1620609
x1.22
Xeon E5-2440Xeon E5-2440498
x1

4 Cores
6 Cores
8 Threads
12 Threads

Base Clock
3.6GHz
Base Clock
2.4GHz
Boost Clock
3.8GHz
Boost Clock
2.9GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
256KB
L2
256KB
L3
10MB
L3
15MB

Type
DDR3
Type
DDR3
Max Memory
384GB
Max Memory
384GB
ECC
Yes
ECC
Yes
Channels
4
Channels
3
Bus Width
256-bit
Bus Width
192-bit
Speed
1600MT/s
Speed
1333MT/s
Bandwidth
51.2GB/s
Bandwidth
32GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
51.2GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
32GB/s

TDP
130W
TDP
95W

Bus Type
DMI
Bus Type
QPI
Bus Config
4 lanes
Bus Config
16-bit
Bus Speed
5GT/s
Bus Speed
7.2GT/s
Bus Bandwidth
2.5GB/s
Bus Bandwidth
14.4GB/s

PCIe
PCIe 3.0 x40
39.4GB/sBandwidth
PCIe
PCIe 3.0 x24
23.6GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Xeon 2011 branding
Branding
Xeon 2011 branding
Codename
Sandy Bridge-E
Sandy Bridge-EP-4Die
Sandy Bridge-EP-4CVariant
Codename
Sandy Bridge-E
Sandy Bridge-EP-8Die
Sandy Bridge-EP-8CVariant
Market Segment
Server
Market Segment
Server
Release Date
Mar 6, 2012
Release Date
May 14, 2012

Foundry
Intel
Foundry
Intel
Fabrication Node
32nm
Fabrication Node
32nm
Die Size
294mm²
Die Size
435mm²
Transistor Count
1.3 Billion
Transistor Count
2.3 Billion
Transistor Density
4 MTr/mm²
Transistor Density
5 MTr/mm²

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