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Differences What are the advantages of each

Front view of Intel Core2 Duo T6600

Reasons to consider the
Intel Core2 Duo T6600

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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
Higher clock speed 2.2 GHz vs 1.9 GHz More than 15% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much better overclocked clock speed (Air) 3.27 GHz vs 1.9 GHz More than 70% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.7 GHz vs 1.9 GHz More than 40% better overclocked clock speed (Water)
Front view of AMD R R-252F

Reasons to consider the
AMD R R-252F

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Lower typical power consumption 13.81W vs 28.44W 2.1x lower typical power consumption
Newer May, 2012 vs Jan, 2009 Release date over 3 years later
Lower annual home energy cost 4.1 $/year vs 8.43 $/year 2.1x lower annual home energy cost
Lower annual commercial energy cost 14.89 $/year vs 30.66 $/year 2.1x lower annual commercial energy cost

Features Key features of the Core2 Duo T6600  vs R R-252F 

clock speed

Core2 Duo T6600
2.2 GHz
R R-252F
1.9 GHz

L2 cache

overclocked clock speed (air)

Core2 Duo T6600
3.27 GHz
R R-252F
1.9 GHz

overclocked clock speed (water)

Core2 Duo T6600
2.7 GHz
R R-252F
1.9 GHz

Specifications Full list of technical specs

summary

Core2 Duo T6600  vs
R R-252F 
Clock speed 2.2 GHz 1.9 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 17W
Annual home energy cost 8.43 $/year 4.1 $/year
Annual commercial energy cost 30.66 $/year 14.89 $/year
Typical power consumption 28.44W 13.81W

details

Core2 Duo T6600  vs
R R-252F 
Threads 2 2
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 45 nm 32 nm
Transistor count 410,000,000 1,303,000,000
Max CPUs 1 1
Clock multiplier 11 9
Voltage range 1 - 1.25V 0.78 - 1.15V

overclocking

Overclocked clock speed 3.27 GHz 1.9 GHz
Overclocked clock speed (Water) 2.7 GHz 1.9 GHz
Overclocked clock speed (Air) 3.27 GHz 1.9 GHz

integrated graphics

GPU None GPU
Label N/A AMD Radeon HD 7400G
GPU clock speed N/A 333 MHz
Turbo clock speed N/A 417 MHz
Intel Core2 Duo T6600
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AMD R R-252F
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