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Differences What are the advantages of each

Front view of AMD Phenom X3 8600B

Reasons to consider the
AMD Phenom X3 8600B

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Much higher clock speed 2.3 GHz vs 1.6 GHz Around 45% higher clock speed
More cores 3 vs 2 1 more cores; run more applications at once
More threads 3 vs 2 1 more threads
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Front view of AMD Athlon II X2 250u

Reasons to consider the
AMD Athlon II X2 250u

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Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 20.31W vs 77.19W 3.8x lower typical power consumption
Much higher Maximum operating temperature 81 °C vs 70 °C More than 15% higher Maximum operating temperature
Much lower annual home energy cost 6.02 $/year vs 22.89 $/year 3.8x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 83.22 $/year 3.8x lower annual commercial energy cost
Newer Nov, 2009 vs Apr, 2008 Release date over 1 years later

Features Key features of the Phenom X3 8600B  vs Athlon II X2 250u 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Phenom X3 8600B  vs
Athlon II X2 250u 
Clock speed 2.3 GHz 1.6 GHz
Cores Tri core Dual core
Socket type
AM2+
AM3
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes No
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 25W
Annual home energy cost 22.89 $/year 6.02 $/year
Annual commercial energy cost 83.22 $/year 21.9 $/year
Typical power consumption 77.19W 20.31W

details

Phenom X3 8600B  vs
Athlon II X2 250u 
Architecture x86-64 x86-64
Threads 3 2
L2 cache 2 MB 2 MB
L2 cache per core 0.67 MB/core 1 MB/core
L3 cache 2 MB 1 MB
L3 cache per core 0.67 MB/core 0.5 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Operating temperature Unknown - 70°C Unknown - 81°C

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

Clock speed 1,800 MHz 1,600 MHz
AMD Phenom X3 8600B
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AMD Athlon II X2 250u
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