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Differences What are the advantages of each

Front view of Intel Xeon X5270

Reasons to consider the
Intel Xeon X5270

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Much lower typical power consumption 65W vs 120.65W More than 45% lower typical power consumption
Slightly higher clock speed 3.5 GHz vs 3.33 GHz More than 5% higher clock speed
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual home energy cost 19.27 $/year vs 47.3 $/year 2.5x lower annual home energy cost
Better geekbench 3 single core score 2,233 vs 1,844 More than 20% better geekbench 3 single core score
Better geekbench 3 Multi-Core score 4,151 vs 3,344 Around 25% better geekbench 3 Multi-Core score
Much lower annual commercial energy cost 70.08 $/year vs 113.62 $/year Around 40% lower annual commercial energy cost
Better overclocked clock speed (Water) 4.93 GHz vs 4.6 GHz More than 5% better overclocked clock speed (Water)
Newer Sep, 2008 vs Jul, 2008 Release date 2 months later
Front view of Intel Core2 Duo E8600

Reasons to consider the
Intel Core2 Duo E8600

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly better performance per dollar 0.5 pt/$ vs 0.09 pt/$ Around 5.5x better performance per dollar
Higher Maximum operating temperature 72.4 °C vs 61 °C Around 20% higher Maximum operating temperature

Benchmarks Real world tests of Xeon X5270 vs Core2 Duo E8600

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 X5270
179.2 MB/s
Core2 Duo E8600
136,900 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon X5270  vs
Core2 Duo E8600 
Clock speed 3.5 GHz 3.33 GHz
Cores Dual core Dual 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 65W
Annual home energy cost 19.27 $/year 47.3 $/year
Annual commercial energy cost 70.08 $/year 113.62 $/year
Performance per watt 1.36 pt/W 1.1 pt/W
Typical power consumption 65W 120.65W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 1,333 MHz

details

Xeon X5270  vs
Core2 Duo E8600 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 6 MB
L2 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Transistor count 410,000,000 410,000,000
Max CPUs 2 1
Clock multiplier 10 10
Voltage range 0.85 - 1.35V 0.85 - 1.36V
Operating temperature Unknown - 61°C Unknown - 72.4°C

overclocking

Overclocked clock speed 4.67 GHz 4.61 GHz
Overclocked clock speed (Water) 4.93 GHz 4.6 GHz
Overclocked clock speed (Air) 4.67 GHz 4.61 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 X5270
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Intel Core2 Duo E8600
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