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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 turbo clock speed 3.73 GHz vs 2.2 GHz Around 70% higher turbo clock speed
Much higher clock speed 3.46 GHz vs 2.8 GHz Around 25% higher clock speed
Much better PassMark (Single core) score 1,504 vs 1,078 Around 40% better PassMark (Single core) score
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
Much better overclocked clock speed (Air) 4.47 GHz vs 2.8 GHz Around 60% better overclocked clock speed (Air)
More threads 12 vs 8 4 more threads
Much better overclocked clock speed (Water) 4.97 GHz vs 2.8 GHz Around 80% better overclocked clock speed (Water)
Much more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Front view of AMD Opteron 4280

Reasons to consider the
AMD Opteron 4280

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Much more l2 cache 8 MB vs 2 MB 4x 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
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 Nov, 2011 vs Feb, 2011 Release date 9 months later

Benchmarks Real world tests of Xeon X5690 vs Opteron 4280

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5690
28,306
Opteron 4280
8,198

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5690
2,585
Opteron 4280
1,692

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5690
1,770,000 MB/s
Opteron 4280
2,065,000 MB/s

PassMark Data courtesy Passmark

Xeon X5690
9,059
Opteron 4280
6,430

PassMark (Single Core)

Xeon X5690
1,504
Opteron 4280
1,078

Specifications Full list of technical specs

summary

Xeon X5690  vs
Opteron 4280 
Clock speed 3.46 GHz 2.8 GHz
Turbo clock speed 3.73 GHz 2.2 GHz
Cores Hexa core Octa core
Socket type
LGA 1366
C32

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 95W
Annual home energy cost 31.32 $/year 22.89 $/year
Annual commercial energy cost 113.88 $/year 83.22 $/year
Performance per watt 7.01 pt/W 8.92 pt/W
Typical power consumption 105.63W 77.19W

memory controller

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

details

Xeon X5690  vs
Opteron 4280 
Threads 12 8
L2 cache 2 MB 8 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 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Clock multiplier 26 17
Operating temperature Unknown - 78.5°C Unknown - 70.5°C

overclocking

Overclock popularity 3 0
Overclocked clock speed 4.47 GHz 2.8 GHz
Overclocked clock speed (Water) 4.97 GHz 2.8 GHz
Overclocked clock speed (Air) 4.47 GHz 2.8 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 4280
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