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Differences What are the advantages of each

Front view of Intel Xeon E7-4807

Reasons to consider the
Intel Xeon E7-4807

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Much more l3 cache 18 MB vs 6 MB 3x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 6 vs 4 2 more cores; run more applications at once
More threads 12 vs 4 Three times as many threads
Much more l3 cache per core 3 MB/core vs 1.5 MB/core 2x more l3 cache per core
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Apr, 2011 vs Nov, 2008 Release date over 2 years later
Front view of AMD Opteron 8382

Reasons to consider the
AMD Opteron 8382

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Much higher clock speed 2.6 GHz vs 1.86 GHz Around 40% higher clock speed
Supports more CPUs in SMP configuration 8 vs 4 Twice as many CPUs in SMP configuration
Lower typical power consumption 60.94W vs 77.19W More than 20% lower typical power consumption
Significantly more l2 cache per core 0.5 MB/core vs 0.33 MB/core More than 50% more l2 cache per core
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

Features Key features of the Xeon E7-4807  vs Opteron 8382 

clock speed

Xeon E7-4807
1.86 GHz
Opteron 8382
2.6 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7-4807  vs
Opteron 8382 
Clock speed 1.86 GHz 2.6 GHz
Cores Hexa core Quad core
Socket type
LGA 1567
F

features

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

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
Typical power consumption 77.19W 60.94W

details

Xeon E7-4807  vs
Opteron 8382 
Threads 12 4
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.5 MB/core
L3 cache 18 MB 6 MB
L3 cache per core 3 MB/core 1.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 4 8
Clock multiplier 14 13
Operating temperature Unknown - 70°C 0 - 55°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

Clock speed 2,400 MHz 2,200 MHz
Intel Xeon E7-4807
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AMD Opteron 8382
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