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Differences What are the advantages of each

Front view of Intel Xeon E3-1225

Reasons to consider the
Intel Xeon E3-1225

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Much higher clock speed 3.1 GHz vs 2.1 GHz Around 50% higher clock speed
Much better PassMark (Single core) score 1,747 vs 758 More than 2.2x better PassMark (Single core) score
Much more l3 cache 6 MB vs 2 MB 3x more l3 cache; more data can be stored in the l3 cache for quick access later
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l3 cache per core
Newer Apr, 2011 vs Apr, 2008 Release date over 3 years later
Front view of AMD Opteron 1352

Reasons to consider the
AMD Opteron 1352

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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 more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Lower typical power consumption 60.94W vs 77.19W More than 20% lower typical power consumption
Lower annual commercial energy cost 65.7 $/year vs 83.22 $/year More than 20% lower annual commercial energy cost
Lower annual home energy cost 18.07 $/year vs 22.89 $/year More than 20% lower annual home energy cost

Benchmarks Real world tests of Xeon E3-1225 vs Opteron 1352

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1225  vs
Opteron 1352 
Clock speed 3.1 GHz 2.1 GHz
Cores Quad core Quad core
Socket type
LGA 1155
AM2
AM2+

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

Xeon E3-1225  vs
Opteron 1352 
Threads 4 4
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 6 MB 2 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 1 1
Clock multiplier 31 10

integrated graphics

GPU GPU None
Label Intel® HD Graphics P3000 N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,350 MHz N/A

power consumption

TDP 95W 75W
Annual home energy cost 22.89 $/year 18.07 $/year
Annual commercial energy cost 83.22 $/year 65.7 $/year
Performance per watt 2.31 pt/W 0.98 pt/W
Typical power consumption 77.19W 60.94W
Intel Xeon E3-1225
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AMD Opteron 1352
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