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Differences What are the advantages of each

Front view of Intel Xeon X7542

Reasons to consider the
Intel Xeon X7542

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Much higher clock speed 2.67 GHz vs 2.2 GHz More than 20% higher clock speed
Higher turbo clock speed 2.8 GHz vs 2.7 GHz Around 5% higher turbo clock speed
Supports more CPUs in SMP configuration 8 vs 4 Twice as many CPUs in SMP configuration
Much more l3 cache per core 3 MB/core vs 2 MB/core 50% more l3 cache per core
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 E7-4830 v2

Reasons to consider the
Intel Xeon E7-4830 v2

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More threads 20 vs 6 14 more threads
More l2 cache 2.5 MB vs 2 MB 25% more l2 cache; more data can be stored in the l2 cache for quick access later
More l3 cache 20 MB vs 18 MB More than 10% more l3 cache; more data can be stored in the l3 cache for quick access later
Newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 85.31W vs 105.63W Around 20% lower typical power consumption
Newer Feb, 2014 vs Mar, 2010 Release date over 3 years later
Lower annual commercial energy cost 91.98 $/year vs 113.88 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 25.29 $/year vs 31.32 $/year Around 20% lower annual home energy cost

Features Key features of the Xeon X7542  vs E7-4830 v2 

clock speed

Xeon X7542
2.67 GHz
Xeon E7-4830 v2
2.2 GHz

turbo clock speed

Xeon X7542
2.8 GHz
Xeon E7-4830 v2
2.7 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Xeon X7542  vs
E7-4830 v2 
Clock speed 2.67 GHz 2.2 GHz
Turbo clock speed 2.8 GHz 2.7 GHz
Cores Hexa core Deca core
Socket type
LGA 1567
LGA 2011

features

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

power consumption

TDP 130W 105W
Annual home energy cost 31.32 $/year 25.29 $/year
Annual commercial energy cost 113.88 $/year 91.98 $/year
Typical power consumption 105.63W 85.31W

details

Xeon X7542  vs
E7-4830 v2 
Threads 6 20
L2 cache 2 MB 2.5 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 18 MB 20 MB
L3 cache per core 3 MB/core 2 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 8 4
Operating temperature Unknown - 69°C Unknown - 68°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

bus

Architecture QPI QPI
Number of links 4 3
Data rate 93,856 MB/s 86,400 MB/s
Transfer rate 5,860 MT/s 7,200 MT/s
Clock speed 2,930 MHz 3,600 MHz
Intel Xeon X7542
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Intel Xeon E7-4830 v2
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