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Differences What are the advantages of each

Front view of Intel Xeon X3323

Reasons to consider the
Intel Xeon X3323

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Lower typical power consumption 65W vs 77.19W More than 15% lower typical power consumption
Lower annual home energy cost 19.27 $/year vs 22.89 $/year More than 15% lower annual home energy cost
Lower annual commercial energy cost 70.08 $/year vs 83.22 $/year More than 15% lower annual commercial energy cost
Front view of Intel Core2 Quad Q9400

Reasons to consider the
Intel Core2 Quad Q9400

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Slightly higher clock speed 2.66 GHz vs 2.5 GHz More than 5% higher clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Water) 4.15 GHz vs 2.5 GHz More than 65% better overclocked clock speed (Water)
Slightly better geekbench 3 Multi-Core score 5,123 vs 4,644 More than 10% better geekbench 3 Multi-Core score
Slightly better overclocked clock speed (Air) 3.54 GHz vs 3.37 GHz More than 5% better overclocked clock speed (Air)
Newer Jul, 2008 vs Mar, 2008 Release date 4 months later

Benchmarks Real world tests of Xeon X3323 vs Core2 Quad Q9400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X3323
107,200 MB/s
Core2 Quad Q9400
114,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon X3323  vs
Core2 Quad Q9400 
Clock speed 2.5 GHz 2.66 GHz
Cores Quad core Quad core
Socket type
LGA 771
LGA 775

features

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

power consumption

TDP 80W 95W
Annual home energy cost 19.27 $/year 22.89 $/year
Annual commercial energy cost 70.08 $/year 83.22 $/year
Performance per watt 1.67 pt/W 1.51 pt/W
Typical power consumption 65W 77.19W

details

Xeon X3323  vs
Core2 Quad Q9400 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 6 MB 6 MB
L2 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.37 GHz 3.54 GHz
Overclocked clock speed (Water) 2.5 GHz 4.15 GHz
Overclocked clock speed (Air) 3.37 GHz 3.54 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 FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 1,333 MHz
Intel Xeon X3323
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Intel Core2 Quad Q9400
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