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Differences What are the advantages of each

Front view of Intel Core i5 3570K

Reasons to consider the
Intel Core i5 3570K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much newer manufacturing process 22 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3.4 GHz vs 1.9 GHz Around 80% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better overclocked clock speed (Air) 4.6 GHz vs 2 GHz More than 2.2x better overclocked clock speed (Air)
More l3 cache 6 MB vs 2 MB 3x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l3 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l3 cache per core
Newer Apr, 2012 vs Apr, 2008 Release date over 4 years later
Higher Maximum operating temperature 67.4 °C vs 55 °C Around 25% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.7 GHz vs 1.9 GHz Around 2.5x better overclocked clock speed (Water)
Front view of AMD Opteron 2347 HE

Reasons to consider the
AMD Opteron 2347 HE

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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
Much lower typical power consumption 44.69W vs 107.5W 2.4x lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual home energy cost 13.25 $/year vs 38.81 $/year 2.9x lower annual home energy cost
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual commercial energy cost 48.18 $/year vs 106 $/year 2.2x lower annual commercial energy cost

Features Key features of the Core i5 3570K  vs Opteron 2347 HE 

clock speed

Core i5 3570K
3.4 GHz
Opteron 2347 HE
1.9 GHz

L2 cache

L3 cache

overclocked clock speed (air)

overclocked clock speed (water)

Core i5 3570K
4.7 GHz
Opteron 2347 HE
1.9 GHz

Specifications Full list of technical specs

summary

Core i5 3570K  vs
Opteron 2347 HE 
Clock speed 3.4 GHz 1.9 GHz
Cores Quad core Quad core
Socket type
LGA 1155
F
Is unlocked Yes No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 77W 55W
Annual home energy cost 38.81 $/year 13.25 $/year
Annual commercial energy cost 106 $/year 48.18 $/year
Typical power consumption 107.5W 44.69W

details

Core i5 3570K  vs
Opteron 2347 HE 
Threads 4 4
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 6 MB 2 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 22 nm 65 nm
Max CPUs 1 2
Clock multiplier 34 9
Operating temperature Unknown - 67.4°C 0 - 55°C

overclocking

Overclocked clock speed 4.6 GHz 2 GHz
Overclocked clock speed (Water) 4.7 GHz 1.9 GHz
Overclocked clock speed (Air) 4.6 GHz 2 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4000 N/A
Latest DirectX 10.x N/A
Number of displays supported 3 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,150 MHz N/A
3DMark06 5,339.9 N/A
Intel Core i5 3570K
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AMD Opteron 2347 HE
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