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Differences What are the advantages of each

Front view of Intel Core i3 3240T

Reasons to consider the
Intel Core i3 3240T

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Much more l3 cache 3 MB vs None Compared to all cpus, 3 MB l3 cache is just OK
Much lower typical power consumption 28.44W vs 81.25W 2.9x lower typical power consumption
Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower annual commercial energy cost 30.66 $/year vs 87.6 $/year 2.9x lower annual commercial energy cost
Much lower annual home energy cost 8.43 $/year vs 24.09 $/year 2.9x lower annual home energy cost
Front view of AMD A8 6600K

Reasons to consider the
AMD A8 6600K

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3.9 GHz vs 2.9 GHz Around 35% higher clock speed
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much better overclocked clock speed (Air) 4.65 GHz vs 3.04 GHz Around 55% better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much higher Maximum operating temperature 74 °C vs 65 °C Around 15% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.63 GHz vs 2.9 GHz Around 60% better overclocked clock speed (Water)
Newer Jun, 2013 vs Sep, 2012 Release date 9 months later

Benchmarks Real world tests of Core i3 3240T vs A8 6600K

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

A8 6600K
2,878

Sky Diver Data courtesy FutureMark

Cloud Gate Data courtesy FutureMark

A8 6600K
5,091

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A8 6600K
6,071

GeekBench 3 (Single core) Data courtesy Primate Labs

A8 6600K
2,132

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i3 3240T
151,400 MB/s
A8 6600K
2,330,000 MB/s

PassMark Data courtesy Passmark

A8 6600K
4,574

PassMark (Single Core)

A8 6600K
1,460

Specifications Full list of technical specs

summary

Core i3 3240T  vs
A8 6600K 
Clock speed 2.9 GHz 3.9 GHz
Cores Dual core Quad core
Is unlocked No Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 100W
Annual home energy cost 8.43 $/year 24.09 $/year
Annual commercial energy cost 30.66 $/year 87.6 $/year
Performance per watt 3.88 pt/W 5.07 pt/W
Typical power consumption 28.44W 81.25W

details

Core i3 3240T  vs
A8 6600K 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 4 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 3 MB None
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 65°C Unknown - 74°C

overclocking

Overclocked clock speed 3.04 GHz 4.65 GHz
Overclocked clock speed (Water) 2.9 GHz 4.63 GHz
Overclocked clock speed (Air) 3.04 GHz 4.65 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2500 Radeon™ HD 8570D
GPU clock speed 650 MHz 844 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3
Intel Core i3 3240T
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AMD A8 6600K
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