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Differences What are the advantages of each

Front view of Intel Xeon L7555

Reasons to consider the
Intel Xeon L7555

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Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
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
Front view of Intel Xeon E7-8867L

Reasons to consider the
Intel Xeon E7-8867L

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Much more l3 cache 30 MB vs 24 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly higher clock speed 2.13 GHz vs 1.87 GHz Around 15% higher clock speed
Much more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 20 vs 16 4 more threads
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l2 cache per core 0.3 MB/core vs 0.25 MB/core Around 20% more l2 cache per core
Newer Apr, 2011 vs Mar, 2010 Release date a year later

Features Key features of the Xeon L7555  vs E7-8867L 

clock speed

Xeon L7555
1.87 GHz
Xeon E7-8867L
2.13 GHz

turbo clock speed

Xeon L7555
2.53 GHz
Xeon E7-8867L
2.53 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Xeon L7555  vs
E7-8867L 
Clock speed 1.87 GHz 2.13 GHz
Turbo clock speed 2.53 GHz 2.53 GHz
Cores Octa core Deca core
Socket type
LGA 1567

features

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

power consumption

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

details

Xeon L7555  vs
E7-8867L 
Threads 16 20
L2 cache 2 MB 3 MB
L2 cache per core 0.25 MB/core 0.3 MB/core
L3 cache 24 MB 30 MB
L3 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 8 8
Operating temperature Unknown - 70°C Unknown - 64°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 1
Data rate 93,856 MB/s 25,600 MB/s
Transfer rate 5,860 MT/s 6,400 MT/s
Clock speed 2,930 MHz 3,200 MHz
Intel Xeon L7555
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Intel Xeon E7-8867L
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