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 Pentium D 820

Reasons to consider the
Intel Pentium D 820

Report a correction
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 2.8 GHz vs 2.4 GHz More than 15% higher clock speed
More cores 2 vs 1 Twice as many cores; run more applications at once
Front view of AMD Opteron 250

Reasons to consider the
AMD Opteron 250

Report a correction
Much lower typical power consumption 2.44W vs 77.19W 31.7x lower typical power consumption
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual home energy cost 0.72 $/year vs 22.89 $/year 31.7x lower annual home energy cost
Much lower annual commercial energy cost 2.63 $/year vs 83.22 $/year 31.7x lower annual commercial energy cost
Higher Maximum operating temperature 71 °C vs 64.1 °C More than 10% higher Maximum operating temperature

Features Key features of the Pentium D 820  vs Opteron 250 

clock speed

Pentium D 820
2.8 GHz
Opteron 250
2.4 GHz

L2 cache

Specifications Full list of technical specs

summary

Pentium D 820  vs
Opteron 250 
Clock speed 2.8 GHz 2.4 GHz
Cores Dual core Single core
Socket type
LGA 775
940

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling No Yes

details

Pentium D 820  vs
Opteron 250 
Threads 2 1
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 90 nm
Max CPUs 1 2
Operating temperature Unknown - 64.1°C 0 - 71°C

power consumption

TDP 95W 3W
Annual home energy cost 22.89 $/year 0.72 $/year
Annual commercial energy cost 83.22 $/year 2.63 $/year
Typical power consumption 77.19W 2.44W
Intel Pentium D 820
Report a correction
AMD Opteron 250
Report a correction

Comments

comments powered by Disqus