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Differences What are the advantages of each

Front view of Intel Xeon E5530

Reasons to consider the
Intel Xeon E5530

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Much higher clock speed 2.4 GHz vs 1.86 GHz Around 30% higher clock speed
More threads 8 vs 4 Twice as many threads
Newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 3.39 GHz vs 2.81 GHz More than 20% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.38 GHz vs 1.87 GHz More than 2.2x better overclocked clock speed (Water)
Newer Mar, 2009 vs Nov, 2006 Release date over 2 years later
Front view of Intel Xeon E5320

Reasons to consider the
Intel Xeon E5320

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Much more l2 cache 8 MB vs 1 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 2 MB/core vs 0.25 MB/core 8x more l2 cache per core

Benchmarks Real world tests of Xeon E5530 vs E5320

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5530
5,726
Xeon E5320
6,799

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5530
1,700
Xeon E5320
1,028

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5530
110,200 MB/s
Xeon E5320
93,300 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5530
7,118
Xeon E5320
3,058

GeekBench

Xeon E5530
7,118
Xeon E5320
3,172

PassMark Data courtesy Passmark

Xeon E5530
4,605
Xeon E5320
2,288

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5530  vs
E5320 
Clock speed 2.4 GHz 1.86 GHz
Cores Quad core Quad core
Socket type
LGA 1366
LGA 771

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 80W
Annual home energy cost 19.27 $/year 19.27 $/year
Annual commercial energy cost 70.08 $/year 70.08 $/year
Performance per watt 1.97 pt/W 1.52 pt/W
Typical power consumption 65W 65W

memory controller

Memory controller Built-in Built-in
Supports ECC Yes No

details

Xeon E5530  vs
E5320 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 8 MB
L2 cache per core 0.25 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Transistor count 731,000,000 582,000,000
Max CPUs 2 2
Clock multiplier 18 7
Voltage range 0.75 - 1.35V 1 - 1.5V
Operating temperature Unknown - 76°C Unknown - 66°C

overclocking

Overclocked clock speed 3.39 GHz 2.81 GHz
Overclocked clock speed (Water) 4.38 GHz 1.87 GHz
Overclocked clock speed (Air) 3.39 GHz 2.81 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

bus

Architecture QPI FSB
Number of links 2 1
Clock speed 2,930 MHz 1,066 MHz
Intel Xeon E5530
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Intel Xeon E5320
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