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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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Higher clock speed 2 GHz vs 1.86 GHz Around 10% higher clock speed
Supports more CPUs in SMP configuration 8 vs 4 Twice as many CPUs in SMP configuration
Front view of Intel Xeon E7-4807

Reasons to consider the
Intel Xeon E7-4807

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Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
Newer Apr, 2011 vs Mar, 2010 Release date a year later
Lower annual commercial energy cost 83.22 $/year vs 91.98 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 22.89 $/year vs 25.29 $/year Around 10% lower annual home energy cost

Features Key features of the Xeon E7540  vs E7-4807 

clock speed

Xeon E7540
2 GHz
Xeon E7-4807
1.86 GHz

L2 cache

L3 cache

Xeon E7540
18 MB
Xeon E7-4807
18 MB


Specifications Full list of technical specs


Xeon E7540  vs
Clock speed 2 GHz 1.86 GHz
Cores Hexa core Hexa core
Socket type
LGA 1567


Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 105W 95W
Annual home energy cost 25.29 $/year 22.89 $/year
Annual commercial energy cost 91.98 $/year 83.22 $/year
Typical power consumption 85.31W 77.19W


Xeon E7540  vs
Threads 12 12
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.33 MB/core
L3 cache 18 MB 18 MB
L3 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 8 4
Operating temperature Unknown - 64°C Unknown - 70°C

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


Architecture QPI QPI
Number of links 4 1
Data rate 102,400 MB/s 19,200 MB/s
Transfer rate 6,400 MT/s 4,800 MT/s
Clock speed 3,200 MHz 2,400 MHz
Intel Xeon E7540
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Intel Xeon E7-4807
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