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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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Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Front view of Intel Xeon E5-2620

Reasons to consider the
Intel Xeon E5-2620

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Higher turbo clock speed 2.5 GHz vs 2.13 GHz More than 15% higher turbo clock speed
Significantly more l3 cache 15 MB vs 12 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
Higher clock speed 2 GHz vs 1.87 GHz More than 5% higher clock speed
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better overclocked clock speed (Air) 2.28 GHz vs 2 GHz Around 15% better overclocked clock speed (Air)
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
Newer Mar, 2012 vs Mar, 2010 Release date over 1 years later
Better overclocked clock speed (Water) 2 GHz vs 1.87 GHz More than 5% better overclocked clock speed (Water)
Lower annual commercial energy cost 83.22 $/year vs 91.98 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 22.89 $/year vs 25.29 $/year Around 10% lower annual home energy cost

Features Key features of the Xeon E7530  vs E5-2620 

clock speed

Xeon E7530
1.87 GHz
Xeon E5-2620
2 GHz

turbo clock speed

Xeon E7530
2.13 GHz
Xeon E5-2620
2.5 GHz

L2 cache

L3 cache

Xeon E7530
12 MB
Xeon E5-2620
15 MB

overclocked clock speed (air)

Xeon E7530
2 GHz
Xeon E5-2620
2.28 GHz

overclocked clock speed (water)

Xeon E7530
1.87 GHz
Xeon E5-2620
2 GHz

Specifications Full list of technical specs

summary

Xeon E7530  vs
E5-2620 
Clock speed 1.87 GHz 2 GHz
Turbo clock speed 2.13 GHz 2.5 GHz
Cores Hexa core Hexa core
Socket type
LGA 1567
LGA 2011

features

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

power consumption

TDP 105W 95W
Annual home energy cost 25.29 $/year 22.89 $/year
Annual commercial energy cost 91.98 $/year 83.22 $/year
Typical power consumption 85.31W 77.19W

bus

Architecture QPI QPI
Number of links 4 2
Data rate 93,856 MB/s 57,600 MB/s
Transfer rate 5,860 MT/s 7,200 MT/s
Clock speed 2,930 MHz 3,600 MHz

details

Xeon E7530  vs
E5-2620 
Threads 12 12
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.33 MB/core
L3 cache 12 MB 15 MB
L3 cache per core 2 MB/core 2.5 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 4 2
Voltage range 0.68 - 1.35V 0.6 - 1.35V
Operating temperature Unknown - 64°C Unknown - 77.4°C

overclocking

Overclocked clock speed 2 GHz 2.28 GHz
Overclocked clock speed (Water) 1.87 GHz 2 GHz
Overclocked clock speed (Air) 2 GHz 2.28 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Xeon E7530
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Intel Xeon E5-2620
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