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Differences What are the advantages of each

Front view of Intel Xeon X5670

Reasons to consider the
Intel Xeon X5670

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More cores 6 vs 2 Three times as many cores; run more applications at once
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
Much better PassMark score 8,013 vs 4,272 Around 90% better PassMark score
Much better performance per watt 8.54 pt/W vs 1.47 pt/W More than 5.8x better performance per watt
More threads 12 vs 4 Three times as many threads
Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
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
Better overclocked clock speed (Water) 4.5 GHz vs 4.4 GHz Almost the same
Front view of Intel Xeon 5600 X5698

Reasons to consider the
Intel Xeon 5600 X5698

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Much higher clock speed 4.4 GHz vs 2.93 GHz More than 50% higher clock speed
Much better PassMark (Single core) score 1,857 vs 1,347 Around 40% better PassMark (Single core) score
Much more l3 cache per core 6 MB/core vs 2 MB/core 3x more l3 cache per core
Much better overclocked clock speed (Air) 4.66 GHz vs 4.29 GHz Around 10% better overclocked clock speed (Air)
Significantly more l2 cache per core 0.5 MB/core vs 0.33 MB/core More than 50% more l2 cache per core
Newer Feb, 2011 vs Mar, 2010 Release date 11 months later

Benchmarks Real world tests of Xeon X5670 vs 5600 X5698

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon X5670  vs
5600 X5698 
Clock speed 2.93 GHz 4.4 GHz
Cores Hexa core Dual core
Socket type
LGA 1366

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

bus

Architecture QPI QPI
Number of links 2 2

details

Xeon X5670  vs
5600 X5698 
Threads 12 4
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.5 MB/core
L3 cache 12 MB 12 MB
L3 cache per core 2 MB/core 6 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2

overclocking

Overclocked clock speed 4.29 GHz 4.66 GHz
Overclocked clock speed (Water) 4.5 GHz 4.4 GHz
Overclocked clock speed (Air) 4.29 GHz 4.66 GHz

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
Performance per watt 8.54 pt/W 1.47 pt/W
Typical power consumption 77.19W 105.63W
Intel Xeon X5670
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Intel Xeon 5600 X5698
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