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Differences What are the advantages of each

Front view of Intel Xeon E6540

Reasons to consider the
Intel Xeon E6540

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Much more l3 cache 18 MB vs 12 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly higher clock speed 2 GHz vs 1.73 GHz More than 15% higher clock speed
Significantly higher turbo clock speed 2.27 GHz vs 1.73 GHz More than 30% higher turbo clock speed
Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 6 vs 4 2 more cores; run more applications at once
More threads 12 vs 8 4 more threads
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Front view of Intel Xeon E6510

Reasons to consider the
Intel Xeon E6510

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CPUBoss is not aware of any important advantages of the E6510 vs the E6540.

Features Key features of the Xeon E6540  vs E6510 

clock speed

Xeon E6540
2 GHz
Xeon E6510
1.73 GHz

turbo clock speed

Xeon E6540
2.27 GHz
Xeon E6510
1.73 GHz

L2 cache

L3 cache

Xeon E6540
18 MB
Xeon E6510
12 MB

TDP

Specifications Full list of technical specs

summary

Xeon E6540  vs
E6510 
Clock speed 2 GHz 1.73 GHz
Turbo clock speed 2.27 GHz 1.73 GHz
Cores Hexa core Quad core
Socket type
LGA 1567

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
Supports dynamic frequency scaling Yes Yes

bus

Architecture QPI QPI
Number of links 4 4
Data rate 102,400 MB/s 76,800 MB/s
Transfer rate 6,400 MT/s 4,800 MT/s
Clock speed 3,200 MHz 2,400 MHz

details

Xeon E6540  vs
E6510 
Threads 12 8
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 18 MB 12 MB
L3 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 2 2

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

power consumption

TDP 105W 105W
Annual home energy cost 25.29 $/year 25.29 $/year
Annual commercial energy cost 91.98 $/year 91.98 $/year
Typical power consumption 85.31W 85.31W
Intel Xeon E6540
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Intel Xeon E6510
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