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Differences What are the advantages of each

Front view of Intel Xeon E5-2689

Reasons to consider the
Intel Xeon E5-2689

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Significantly lower typical power consumption 93.44W vs 121.88W Around 25% lower typical power consumption
Significantly lower annual commercial energy cost 100.74 $/year vs 131.4 $/year Around 25% lower annual commercial energy cost
Significantly lower annual home energy cost 27.7 $/year vs 36.13 $/year Around 25% lower annual home energy cost
Front view of Intel Xeon E5-2687W

Reasons to consider the
Intel Xeon E5-2687W

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Much higher clock speed 3.1 GHz vs 2.6 GHz Around 20% higher clock speed

Benchmarks Real world tests of Xeon E5-2689 vs E5-2687W

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2689
36,294
Xeon E5-2687W
36,692

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2689
2,360,000 MB/s
Xeon E5-2687W
2,165,000 MB/s

PassMark Data courtesy Passmark

Xeon E5-2689
19,521
Xeon E5-2687W
14,418

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2689  vs
E5-2687W 
Clock speed 2.6 GHz 3.1 GHz
Cores Octa core Octa core
Socket type
LGA 2011

features

Has a NX bit Yes Yes
Supports trusted computing 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

details

Xeon E5-2689  vs
E5-2687W 
Threads 16 16
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 20 MB 20 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2

power consumption

TDP 115W 150W
Annual home energy cost 27.7 $/year 36.13 $/year
Annual commercial energy cost 100.74 $/year 131.4 $/year
Performance per watt 10.97 pt/W 7.67 pt/W
Typical power consumption 93.44W 121.88W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 64,000 MB/s
Transfer rate 8,000 MT/s 8,000 MT/s
Clock speed 4,000 MHz 4,000 MHz
Intel Xeon E5-2689
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Intel Xeon E5-2687W
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