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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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Much higher turbo clock speed 4.4 GHz vs 0 GHz Compared to all cpus, 4.4 GHz turbo clock speed is just OK
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 45 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 better overclocked clock speed (Air) 4.63 GHz vs 2.21 GHz More than 2x better overclocked clock speed (Air)
Significantly higher Maximum operating temperature 74.04 °C vs 55 °C Around 35% higher Maximum operating temperature
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Newer Apr, 2014 vs Feb, 2011 Release date over 3 years later
Much better overclocked clock speed (Water) 4.8 GHz vs 2.2 GHz Around 2.2x better overclocked clock speed (Water)
Front view of AMD Opteron 6132 HE

Reasons to consider the
AMD Opteron 6132 HE

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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
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 8 vs 4 Twice as many cores; run more applications at once
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core

Features Key features of the Core i7 4790K  vs Opteron 6132 HE 

clock speed

turbo clock speed

L2 cache

L3 cache

overclocked clock speed (air)

Core i7 4790K
4.63 GHz
Opteron 6132 HE
2.21 GHz

overclocked clock speed (water)

Core i7 4790K
4.8 GHz
Opteron 6132 HE
2.2 GHz

Specifications Full list of technical specs

summary

Core i7 4790K  vs
Opteron 6132 HE 
Clock speed 4 GHz 2.2 GHz
Turbo clock speed 4.4 GHz 0 GHz
Cores Quad core Octa core
Is unlocked Yes No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
3DNow!
AES
AVX 2.0

power consumption

TDP 88W 85W
Annual home energy cost 21.2 $/year 20.48 $/year
Annual commercial energy cost 77.09 $/year 74.46 $/year
Typical power consumption 71.5W 69.06W

bus

Architecture DMI 2.0 HyperTransport 3.0

details

Core i7 4790K  vs
Opteron 6132 HE 
Threads 8 8
L2 cache 1 MB 4 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 12 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 4
Operating temperature Unknown - 74.04°C Unknown - 55°C

overclocking

Overclocked clock speed 4.63 GHz 2.21 GHz
Overclocked clock speed (Water) 4.8 GHz 2.2 GHz
PassMark (Overclocked) 6,925.3 992.4
Overclocked clock speed (Air) 4.63 GHz 2.21 GHz

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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3
Intel Core i7 4790K
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AMD Opteron 6132 HE
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