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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
Significantly higher clock speed 3.4 GHz vs 2.3 GHz Around 50% 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) 4.59 GHz vs 2.3 GHz Around 2x better overclocked clock speed (Air)
Significantly better PassMark score 7,152 vs 2,283 Around 3.2x better PassMark score
Significantly better performance per watt 4.69 pt/W vs 1.24 pt/W More than 3.8x better performance per watt
Newer Apr, 2012 vs Nov, 2008 Release date over 3 years later
Higher Maximum operating temperature 67.4 °C vs 55 °C Around 25% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.71 GHz vs 2.3 GHz More than 2x better overclocked clock speed (Water)
Front view of AMD Opteron 2376

Reasons to consider the
AMD Opteron 2376

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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 60.94W vs 107.5W Around 45% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
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 18.07 $/year vs 38.81 $/year 2.1x lower annual home energy cost
Much lower annual commercial energy cost 65.7 $/year vs 106 $/year Around 40% lower annual commercial energy cost

Benchmarks Real world tests of Core i5 3570K vs Opteron 2376

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Core i5 3570K  vs
Opteron 2376 
Clock speed 3.4 GHz 2.3 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 75W
Annual home energy cost 38.81 $/year 18.07 $/year
Annual commercial energy cost 106 $/year 65.7 $/year
Performance per watt 4.69 pt/W 1.24 pt/W
Typical power consumption 107.5W 60.94W

details

Core i5 3570K  vs
Opteron 2376 
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 6 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 2
Clock multiplier 34 11
Operating temperature Unknown - 67.4°C 0 - 55°C

overclocking

Overclocked clock speed 4.59 GHz 2.3 GHz
Overclocked clock speed (Water) 4.71 GHz 2.3 GHz
Overclocked clock speed (Air) 4.59 GHz 2.3 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 2376
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