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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 more l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 12 vs 6 Twice as many threads
Much better overclocked clock speed (Air) 4.47 GHz vs 3.5 GHz Around 30% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.97 GHz vs 3.5 GHz More than 40% better overclocked clock speed (Water)
Significantly more l3 cache per core 2 MB/core vs 1.33 MB/core More than 50% more l3 cache per core
Front view of AMD Opteron 4340

Reasons to consider the
AMD Opteron 4340

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Much more l2 cache 6 MB vs 2 MB 3x more l2 cache; more data can be stored in the l2 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
Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
Slightly higher clock speed 3.5 GHz vs 3.46 GHz Almost the same
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
Newer Dec, 2012 vs Feb, 2011 Release date over 1 years later

Features Key features of the Xeon X5690  vs Opteron 4340 

clock speed

Xeon X5690
3.46 GHz
Opteron 4340
3.5 GHz

turbo clock speed

Xeon X5690
3.73 GHz
Opteron 4340
3.8 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon X5690
4.47 GHz
Opteron 4340
3.5 GHz

overclocked clock speed (water)

Xeon X5690
4.97 GHz
Opteron 4340
3.5 GHz

Specifications Full list of technical specs

summary

Xeon X5690  vs
Opteron 4340 
Clock speed 3.46 GHz 3.5 GHz
Turbo clock speed 3.73 GHz 3.8 GHz
Cores Hexa core Hexa core
Socket type
LGA 1366
C32

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 95W
Annual home energy cost 31.32 $/year 22.89 $/year
Annual commercial energy cost 113.88 $/year 83.22 $/year
Typical power consumption 105.63W 77.19W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 12,800 MB/s

details

Xeon X5690  vs
Opteron 4340 
Threads 12 6
L2 cache 2 MB 6 MB
L2 cache per core 0.33 MB/core 1 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 2 MB/core 1.33 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Clock multiplier 26 17
Operating temperature Unknown - 78.5°C Unknown - 67.7°C

overclocking

Overclock popularity 3 0
Overclocked clock speed 4.47 GHz 3.5 GHz
Overclocked clock speed (Water) 4.97 GHz 3.5 GHz
Overclocked clock speed (Air) 4.47 GHz 3.5 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
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 4340
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