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Differences What are the advantages of each

Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 4 GHz vs 2.2 GHz More than 80% higher clock speed
Much newer manufacturing process 22 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
More threads 8 vs 2 6 more threads
More cores 4 vs 2 Twice as many cores; run more applications at once
Front view of AMD Athlon X2 67

Reasons to consider the
AMD Athlon X2 67

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Much lower typical power consumption 28.44W vs 71.5W 2.5x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 74.04 °C More than 35% higher Maximum operating temperature
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 8.43 $/year vs 21.2 $/year 2.5x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 77.09 $/year 2.5x lower annual commercial energy cost

Features Key features of the Core i7 4790K  vs Athlon X2 67 

clock speed

Athlon X2 67
2.2 GHz

L2 cache

Specifications Full list of technical specs

summary

Core i7 4790K  vs
Athlon X2 67 
Clock speed 4 GHz 2.2 GHz
Cores Quad core Dual core
Is unlocked Yes No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
3DNow!
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

details

Core i7 4790K  vs
Athlon X2 67 
Architecture x86-64 x86-64
Threads 8 2
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 22 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 74.04°C Unknown - 100°C

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4600 N/A
Number of displays supported 3 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,250 MHz N/A

power consumption

TDP 88W 35W
Annual home energy cost 21.2 $/year 8.43 $/year
Annual commercial energy cost 77.09 $/year 30.66 $/year
Typical power consumption 71.5W 28.44W
Intel Core i7 4790K
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AMD Athlon X2 67
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