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Differences What are the advantages of each

Front view of Intel Core i5 2520M

Reasons to consider the
Intel Core i5 2520M

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Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 28.44W vs 77.19W 2.7x lower typical power consumption
Higher clock speed 2.5 GHz vs 2.3 GHz Around 10% higher clock speed
Much higher Maximum operating temperature 100 °C vs 70 °C Around 45% higher Maximum operating temperature
Significantly more l3 cache per core 1.5 MB/core vs 0.67 MB/core More than 2.2x more l3 cache per core
Newer Feb, 2011 vs Apr, 2008 Release date over 2 years later
Much lower annual home energy cost 8.43 $/year vs 22.89 $/year 2.7x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 83.22 $/year 2.7x lower annual commercial energy cost
Front view of AMD Phenom X3 8600B

Reasons to consider the
AMD Phenom X3 8600B

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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
More l2 cache per core 0.67 MB/core vs 0.5 MB/core Around 35% more l2 cache per core
More cores 3 vs 2 1 more cores; run more applications at once

Features Key features of the Core i5 2520M  vs Phenom X3 8600B 

clock speed

Core i5 2520M
2.5 GHz
Phenom X3 8600B
2.3 GHz

L2 cache

Specifications Full list of technical specs

summary

Core i5 2520M  vs
Phenom X3 8600B 
Clock speed 2.5 GHz 2.3 GHz
Cores Dual core Tri core
Socket type
rPGA 988B
AM2+
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

Core i5 2520M  vs
Phenom X3 8600B 
Architecture x86-64 x86-64
Threads 4 3
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.67 MB/core
L3 cache 3 MB 2 MB
L3 cache per core 1.5 MB/core 0.67 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 100°C Unknown - 70°C

integrated graphics

GPU GPU None
Label HD Graphics 3000 N/A
Number of displays supported 2 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,300 MHz N/A

power consumption

TDP 35W 95W
Annual home energy cost 8.43 $/year 22.89 $/year
Annual commercial energy cost 30.66 $/year 83.22 $/year
Typical power consumption 28.44W 77.19W
Intel Core i5 2520M
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AMD Phenom X3 8600B
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