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Differences What are the advantages of each

Front view of Intel Xeon L7545

Reasons to consider the
Intel Xeon L7545

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More threads 12 vs 8 4 more threads
Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Significantly lower annual commercial energy cost 83.22 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost
Significantly lower annual home energy cost 22.89 $/year vs 31.32 $/year More than 25% lower annual home energy cost
Front view of Intel Xeon E7-8837

Reasons to consider the
Intel Xeon E7-8837

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Much higher clock speed 2.66 GHz vs 1.87 GHz More than 40% higher clock speed
Much more l3 cache 24 MB vs 18 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Higher turbo clock speed 2.8 GHz vs 2.53 GHz More than 10% higher turbo clock speed
Much better overclocked clock speed (Air) 2.67 GHz vs 1.87 GHz Around 45% better overclocked clock speed (Air)
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Water) 2.67 GHz vs 1.87 GHz Around 45% better overclocked clock speed (Water)
Newer Apr, 2011 vs Mar, 2010 Release date a year later

Features Key features of the Xeon L7545  vs E7-8837 

clock speed

Xeon L7545
1.87 GHz
Xeon E7-8837
2.66 GHz

turbo clock speed

Xeon L7545
2.53 GHz
Xeon E7-8837
2.8 GHz

L2 cache

L3 cache

Xeon L7545
18 MB
Xeon E7-8837
24 MB

overclocked clock speed (air)

Xeon L7545
1.87 GHz
Xeon E7-8837
2.67 GHz

overclocked clock speed (water)

Xeon L7545
1.87 GHz
Xeon E7-8837
2.67 GHz

Specifications Full list of technical specs

summary

Xeon L7545  vs
E7-8837 
Clock speed 1.87 GHz 2.66 GHz
Turbo clock speed 2.53 GHz 2.8 GHz
Cores Hexa core Octa 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 130W
Annual home energy cost 22.89 $/year 31.32 $/year
Annual commercial energy cost 83.22 $/year 113.88 $/year
Typical power consumption 77.19W 105.63W

details

Xeon L7545  vs
E7-8837 
Threads 12 8
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 18 MB 24 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 - 69°C

overclocking

Overclocked clock speed 1.87 GHz 2.67 GHz
Overclocked clock speed (Water) 1.87 GHz 2.67 GHz
Overclocked clock speed (Air) 1.87 GHz 2.67 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 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 L7545
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Intel Xeon E7-8837
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