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Differences What are the advantages of each

Front view of Intel Xeon E7540

Reasons to consider the
Intel Xeon E7540

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Supports more CPUs in SMP configuration 8 vs 4 Twice as many CPUs in SMP configuration
Lower typical power consumption 85.31W vs 93.44W Around 10% lower typical power consumption
Lower annual home energy cost 25.29 $/year vs 27.7 $/year Around 10% lower annual home energy cost
Lower annual commercial energy cost 91.98 $/year vs 100.74 $/year Around 10% lower annual commercial energy cost
Front view of Intel E7-4809V4

Reasons to consider the
Intel E7-4809V4

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Much newer manufacturing process 14 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Apr, 2016 vs Mar, 2010 Release date over 6 years later
More cores 8 vs 6 2 more cores; run more applications at once
More threads 16 vs 12 4 more threads
Higher Maximum operating temperature 69 °C vs 64 °C Around 10% higher Maximum operating temperature

Features Key features of the Xeon E7540  vs E7-4809V4 

clock speed

Xeon E7540
2 GHz
E7-4809V4
2.1 GHz

overclocked clock speed (air)

Xeon E7540
2.13 GHz
E7-4809V4
2 GHz

overclocked clock speed (water)

Xeon E7540
2.13 GHz
E7-4809V4
2 GHz

TDP

Xeon E7540
105W
E7-4809V4
115W

Specifications Full list of technical specs

summary

Xeon E7540  vs
E7-4809V4 
Clock speed 2 GHz 2.1 GHz
Cores Hexa core Octa core

features

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

power consumption

TDP 105W 115W
Annual home energy cost 25.29 $/year 27.7 $/year
Annual commercial energy cost 91.98 $/year 100.74 $/year
Typical power consumption 85.31W 93.44W

details

Xeon E7540  vs
E7-4809V4 
Threads 12 16
Manufacture process 45 nm 14 nm
Max CPUs 8 4
Operating temperature Unknown - 64°C Unknown - 69°C

overclocking

Overclocked clock speed 2.13 GHz 2 GHz
Overclocked clock speed (Water) 2.13 GHz 2 GHz
Overclocked clock speed (Air) 2.13 GHz 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

bus

Architecture QPI FSB
Number of links 4 3
Transfer rate 6,400 MT/s 6,400 MT/s
Intel Xeon E7540
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Intel E7-4809V4
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