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Differences What are the advantages of each

Front view of Intel Pentium D 915

Reasons to consider the
Intel Pentium D 915

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Much higher clock speed 2.8 GHz vs 2.2 GHz More than 25% higher clock speed
Much better overclocked clock speed (Air) 3.92 GHz vs 3.16 GHz Around 25% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.43 GHz vs 3.52 GHz More than 25% better overclocked clock speed (Water)
Front view of Intel Core2 Duo E4500

Reasons to consider the
Intel Core2 Duo E4500

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Much better PassMark (Single core) score 817 vs 649 More than 25% better PassMark (Single core) score
Much better performance per watt 1.38 pt/W vs 0.51 pt/W Around 2.8x better performance per watt
Much lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Much higher Maximum operating temperature 73.3 °C vs 63.4 °C More than 15% higher Maximum operating temperature
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Newer Jul, 2007 vs Jul, 2006 Release date a year later

Benchmarks Real world tests of Pentium D 915 vs Core2 Duo E4500

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium D 915  vs
Core2 Duo E4500 
Clock speed 2.8 GHz 2.2 GHz
Cores Dual core Dual core
Socket type
LGA 775

features

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

power consumption

TDP 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Performance per watt 0.51 pt/W 1.38 pt/W
Typical power consumption 77.19W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 800 MHz

details

Pentium D 915  vs
Core2 Duo E4500 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 4 MB 2 MB
L2 cache per core 2 MB/core 1 MB/core
Manufacture process 65 nm 65 nm
Transistor count 376,000,000 167,000,000
Max CPUs 1 1
Clock multiplier 14 11
Voltage range 1.2 - 1.34V 0.85 - 1.5V
Operating temperature Unknown - 63.4°C Unknown - 73.3°C

overclocking

Overclocked clock speed 3.92 GHz 3.16 GHz
Overclocked clock speed (Water) 4.43 GHz 3.52 GHz
Overclocked clock speed (Air) 3.92 GHz 3.16 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 Pentium D 915
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Intel Core2 Duo E4500
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