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Differences What are the advantages of each

Front view of Intel Xeon E7450

Reasons to consider the
Intel Xeon E7450

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Much more l2 cache 9 MB vs 2 MB 4.5x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 2.4 GHz vs 2 GHz Around 20% higher clock speed
Supports more CPUs in SMP configuration 32 vs 4 28 supports more CPUs in SMP configuration
Much more l2 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l2 cache per core
Lower typical power consumption 73.13W vs 85.31W Around 15% lower typical power consumption
Lower annual commercial energy cost 78.84 $/year vs 91.98 $/year Around 15% lower annual commercial energy cost
Lower annual home energy cost 21.68 $/year vs 25.29 $/year Around 15% lower annual home energy cost
Front view of Intel Xeon E7-4820 v2

Reasons to consider the
Intel Xeon E7-4820 v2

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Much more l3 cache 16 MB vs 12 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 16 vs 6 10 more threads
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Feb, 2014 vs Sep, 2008 Release date over 5 years later

Features Key features of the Xeon E7450  vs E7-4820 v2 

clock speed

Xeon E7450
2.4 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7450  vs
E7-4820 v2 
Clock speed 2.4 GHz 2 GHz
Cores Hexa core Octa core
Socket type
604
LGA 2011

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 90W 105W
Annual home energy cost 21.68 $/year 25.29 $/year
Annual commercial energy cost 78.84 $/year 91.98 $/year
Typical power consumption 73.13W 85.31W

details

Xeon E7450  vs
E7-4820 v2 
Architecture x86-64 x86-64
Threads 6 16
L2 cache 9 MB 2 MB
L2 cache per core 1.5 MB/core 0.25 MB/core
L3 cache 12 MB 16 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 32 4
Clock multiplier 9 20
Operating temperature Unknown - 68°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 FSB QPI
Number of links 1 3
Clock speed 1,066 MHz 3,600 MHz
Intel Xeon E7450
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Intel Xeon E7-4820 v2
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