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Differences What are the advantages of each

Front view of Intel Xeon E5-2407

Reasons to consider the
Intel Xeon E5-2407

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More cores 4 vs 2 Twice as many cores; run more applications at once
Supports more RAM 393,216 MB vs 131,072 MB Supports 3x more RAM
Front view of Intel Pentium D1508

Reasons to consider the
Intel Pentium D1508

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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 20.31W vs 65W 3.2x lower typical power consumption
Newer Oct, 2015 vs May, 2012 Release date over 3 years later
Much lower annual home energy cost 6.02 $/year vs 19.27 $/year 3.2x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 70.08 $/year 3.2x lower annual commercial energy cost

Features Key features of the Xeon E5-2407  vs Pentium D1508 

clock speed

Xeon E5-2407
2.2 GHz
Pentium D1508
2.2 GHz

overclocked clock speed (air)

Xeon E5-2407
2.35 GHz
Pentium D1508
2.2 GHz

overclocked clock speed (water)

Xeon E5-2407
2.2 GHz
Pentium D1508
2.2 GHz

Specifications Full list of technical specs

summary

Xeon E5-2407  vs
Pentium D1508 
Clock speed 2.2 GHz 2.2 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 25W
Annual home energy cost 19.27 $/year 6.02 $/year
Annual commercial energy cost 70.08 $/year 21.9 $/year
Typical power consumption 65W 20.31W

bus

Architecture QPI FSB
Number of links 1 1

details

Xeon E5-2407  vs
Pentium D1508 
Architecture x86-64 x86-64
Threads 4 4
Manufacture process 32 nm 14 nm
Max CPUs 2 1

overclocking

Overclocked clock speed 2.35 GHz 2.2 GHz
Overclocked clock speed (Water) 2.2 GHz 2.2 GHz
Overclocked clock speed (Air) 2.35 GHz 2.2 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 25,599.99 MB/s 12,800 MB/s
Maximum memory size 393,216 MB 131,072 MB
Intel Xeon E5-2407
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Intel Pentium D1508
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