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Differences What are the advantages of each

Front view of Intel Pentium 4 511

Reasons to consider the
Intel Pentium 4 511

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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) 3.53 GHz vs 3.16 GHz More than 10% better overclocked clock speed (Air)
Front view of Intel Core2 Duo E4500

Reasons to consider the
Intel Core2 Duo E4500

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much better performance per watt 1.38 pt/W vs 0.95 pt/W More than 45% better performance per watt
Significantly lower typical power consumption 52.81W vs 68.25W Around 25% lower typical power consumption
Much higher Maximum operating temperature 73.3 °C vs 67.7 °C Around 10% higher Maximum operating temperature
Much better overclocked clock speed (Water) 3.52 GHz vs 2.8 GHz More than 25% better overclocked clock speed (Water)
Significantly lower annual home energy cost 15.66 $/year vs 20.24 $/year Around 25% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 73.58 $/year Around 25% lower annual commercial energy cost
Newer Jul, 2007 vs Oct, 2005 Release date over 1 years later

Benchmarks Real world tests of Pentium 4 511 vs Core2 Duo E4500

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

Pentium 4 511
96,300 MB/s
Core2 Duo E4500
93,900 MB/s

Specifications Full list of technical specs

summary

Pentium 4 511  vs
Core2 Duo E4500 
Clock speed 2.8 GHz 2.2 GHz
Cores Single core Dual core
Socket type
LGA 775

features

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

power consumption

TDP 84W 65W
Annual home energy cost 20.24 $/year 15.66 $/year
Annual commercial energy cost 73.58 $/year 56.94 $/year
Performance per watt 0.95 pt/W 1.38 pt/W
Typical power consumption 68.25W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 533 MHz 800 MHz

details

Pentium 4 511  vs
Core2 Duo E4500 
Architecture x86-64 x86-64
Threads 1 2
L2 cache 1 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 65 nm
Transistor count 125,000,000 167,000,000
Max CPUs 1 1
Clock multiplier 21 11
Voltage range 1.25 - 1.4V 0.85 - 1.5V
Operating temperature Unknown - 67.7°C Unknown - 73.3°C

overclocking

Overclocked clock speed 3.53 GHz 3.16 GHz
Overclocked clock speed (Water) 2.8 GHz 3.52 GHz
Overclocked clock speed (Air) 3.53 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 4 511
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Intel Core2 Duo E4500
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