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Differences What are the advantages of each

Front view of Intel Xeon E7530

Reasons to consider the
Intel Xeon E7530

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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
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More l3 cache 12 MB vs 6 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 12 vs 4 Three times as many threads
More cores 6 vs 4 2 more cores; run more applications at once
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Front view of Intel Core i5 6600K

Reasons to consider the
Intel Core i5 6600K

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Much higher clock speed 3.5 GHz vs 1.87 GHz More than 85% higher clock speed
Much higher turbo clock speed 3.9 GHz vs 2.13 GHz Around 85% higher turbo clock speed
Much newer manufacturing process 14 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) 4.54 GHz vs 2 GHz More than 2.2x better overclocked clock speed (Air)
Newer Jul, 2015 vs Mar, 2010 Release date over 5 years later
Lower typical power consumption 73.94W vs 85.31W Around 15% lower typical power consumption
Much better overclocked clock speed (Water) 4.57 GHz vs 1.87 GHz Around 2.5x better overclocked clock speed (Water)
Lower annual commercial energy cost 79.72 $/year vs 91.98 $/year Around 15% lower annual commercial energy cost
Lower annual home energy cost 21.92 $/year vs 25.29 $/year Around 15% lower annual home energy cost

Features Key features of the Xeon E7530  vs Core i5 6600K 

clock speed

Xeon E7530
1.87 GHz
Core i5 6600K
3.5 GHz

turbo clock speed

Xeon E7530
2.13 GHz
Core i5 6600K
3.9 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon E7530
2 GHz
Core i5 6600K
4.54 GHz

overclocked clock speed (water)

Xeon E7530
1.87 GHz
Core i5 6600K
4.57 GHz

Specifications Full list of technical specs

summary

Xeon E7530  vs
Core i5 6600K 
Clock speed 1.87 GHz 3.5 GHz
Turbo clock speed 2.13 GHz 3.9 GHz
Cores Hexa core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 105W 91W
Annual home energy cost 25.29 $/year 21.92 $/year
Annual commercial energy cost 91.98 $/year 79.72 $/year
Typical power consumption 85.31W 73.94W

details

Xeon E7530  vs
Core i5 6600K 
Threads 12 4
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 45 nm 14 nm
Max CPUs 4 1
Operating temperature Unknown - 64°C Unknown - 64°C

overclocking

Overclocked clock speed 2 GHz 4.54 GHz
Overclocked clock speed (Water) 1.87 GHz 4.57 GHz
Overclocked clock speed (Air) 2 GHz 4.54 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 530
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,150 MHz

bus

Architecture QPI FSB
Number of links 4 0
Transfer rate 5,860 MT/s 8,000 MT/s
Intel Xeon E7530
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Intel Core i5 6600K
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