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Differences What are the advantages of each

Front view of Intel Xeon X5690

Reasons to consider the
Intel Xeon X5690

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Much higher clock speed 3.46 GHz vs 2.7 GHz Around 30% higher clock speed
Higher turbo clock speed 3.73 GHz vs 3.4 GHz Around 10% higher turbo clock speed
Much better overclocked clock speed (Air) 4.47 GHz vs 3.4 GHz More than 30% better overclocked clock speed (Air)
Much more l3 cache per core 2 MB/core vs 0.98 MB/core More than 2x more l3 cache per core
Much better overclocked clock speed (Water) 4.97 GHz vs 3.4 GHz More than 45% better overclocked clock speed (Water)
Lower typical power consumption 105.63W vs 113.75W More than 5% lower typical power consumption
Lower annual commercial energy cost 113.88 $/year vs 122.64 $/year More than 5% lower annual commercial energy cost
Lower annual home energy cost 31.32 $/year vs 33.73 $/year More than 5% lower annual home energy cost
Front view of AMD Opteron 6284 SE

Reasons to consider the
AMD Opteron 6284 SE

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Much more l2 cache 16 MB vs 2 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 15.63 MB vs 12 MB More than 30% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache per core 1 MB/core vs 0.33 MB/core More than 3x more l2 cache per core
More threads 16 vs 12 4 more threads
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Newer Jun, 2012 vs Feb, 2011 Release date over 1 years later

Features Key features of the Xeon X5690  vs Opteron 6284 SE 

clock speed

Xeon X5690
3.46 GHz
Opteron 6284 SE
2.7 GHz

turbo clock speed

Xeon X5690
3.73 GHz
Opteron 6284 SE
3.4 GHz

L2 cache

L3 cache

Xeon X5690
12 MB
Opteron 6284 SE
15.63 MB

overclocked clock speed (air)

Xeon X5690
4.47 GHz
Opteron 6284 SE
3.4 GHz

overclocked clock speed (water)

Xeon X5690
4.97 GHz
Opteron 6284 SE
3.4 GHz

Specifications Full list of technical specs

summary

Xeon X5690  vs
Opteron 6284 SE 
Clock speed 3.46 GHz 2.7 GHz
Turbo clock speed 3.73 GHz 3.4 GHz
Cores Hexa core 16 core
Socket type
LGA 1366
G34

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
Supplemental SSE3
AES

power consumption

TDP 130W 140W
Annual home energy cost 31.32 $/year 33.73 $/year
Annual commercial energy cost 113.88 $/year 122.64 $/year
Typical power consumption 105.63W 113.75W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3

details

Xeon X5690  vs
Opteron 6284 SE 
Threads 12 16
L2 cache 2 MB 16 MB
L2 cache per core 0.33 MB/core 1 MB/core
L3 cache 12 MB 15.63 MB
L3 cache per core 2 MB/core 0.98 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 4
Clock multiplier 26 13
Operating temperature Unknown - 78.5°C Unknown - 64.4°C

overclocking

Overclocked clock speed 4.47 GHz 3.4 GHz
Overclocked clock speed (Water) 4.97 GHz 3.4 GHz
Overclocked clock speed (Air) 4.47 GHz 3.4 GHz

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 QPI HyperTransport 3.0
Number of links 2 4
Transfer rate 6,400 MT/s 6,400 MT/s
Clock speed 3,200 MHz 3,200 MHz
Intel Xeon X5690
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AMD Opteron 6284 SE
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