Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of Intel Xeon W3520

Reasons to consider the
Intel Xeon W3520

Report a correction
More cores 4 vs 1 3 more cores; run more applications at once
Much better overclocked clock speed (Air) 4.38 GHz vs 2.96 GHz Around 50% better overclocked clock speed (Air)
Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 8 vs 1 7 more threads
Much better overclocked clock speed (Water) 4.46 GHz vs 2.8 GHz Around 60% better overclocked clock speed (Water)
Newer Mar, 2009 vs Aug, 2005 Release date over 3 years later
Front view of AMD Opteron 854

Reasons to consider the
AMD Opteron 854

Report a correction
Higher clock speed 2.8 GHz vs 2.66 GHz More than 5% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Significantly lower typical power consumption 75.24W vs 105.63W Around 30% lower typical power consumption
Significantly lower annual commercial energy cost 81.12 $/year vs 113.88 $/year Around 30% lower annual commercial energy cost
Significantly lower annual home energy cost 22.31 $/year vs 31.32 $/year Around 30% lower annual home energy cost

Features Key features of the Xeon W3520  vs Opteron 854 

clock speed

Xeon W3520
2.66 GHz
Opteron 854
2.8 GHz

L2 cache

overclocked clock speed (air)

Xeon W3520
4.38 GHz
Opteron 854
2.96 GHz

overclocked clock speed (water)

Xeon W3520
4.46 GHz
Opteron 854
2.8 GHz

TDP

Xeon W3520
130W
Opteron 854
92.6W

Specifications Full list of technical specs

summary

Xeon W3520  vs
Opteron 854 
Clock speed 2.66 GHz 2.8 GHz
Cores Quad core Single core
Socket type
LGA 1366
940

features

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

details

Xeon W3520  vs
Opteron 854 
Threads 8 1
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 8
Clock multiplier 20 14
Voltage range 0.8 - 1.38V 1.3 - UnknownV
Operating temperature Unknown - 67.9°C 0 - 67°C

overclocking

Overclocked clock speed 4.38 GHz 2.96 GHz
Overclocked clock speed (Water) 4.46 GHz 2.8 GHz
Overclocked clock speed (Air) 4.38 GHz 2.96 GHz

power consumption

TDP 130W 92.6W
Annual home energy cost 31.32 $/year 22.31 $/year
Annual commercial energy cost 113.88 $/year 81.12 $/year
Typical power consumption 105.63W 75.24W
Intel Xeon W3520
Report a correction
AMD Opteron 854
Report a correction

Read more

Comments

comments powered by Disqus