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Differences What are the advantages of each

Front view of Intel Pentium E2140

Reasons to consider the
Intel Pentium E2140

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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
Significantly lower typical power consumption 52.81W vs 68.25W Around 25% lower typical power consumption
Significantly better overclocked clock speed (Water) 3.06 GHz vs 2.67 GHz Around 15% 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 Apr, 2007 vs Apr, 2005 Release date over 2 years later
Front view of Intel Pentium 4 506

Reasons to consider the
Intel Pentium 4 506

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Much higher clock speed 2.66 GHz vs 1.6 GHz More than 65% higher clock speed
Much better overclocked clock speed (Air) 3.85 GHz vs 3 GHz Around 30% better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much higher Maximum operating temperature 67.7 °C vs 61.4 °C More than 10% higher Maximum operating temperature

Benchmarks Real world tests of Pentium E2140 vs 4 506

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 E2140
68,300 MB/s
Pentium 4 506
95,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Specifications Full list of technical specs

summary

Pentium E2140  vs
4 506 
Clock speed 1.6 GHz 2.66 GHz
Cores Dual core Single 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 Yes No

power consumption

TDP 65W 84W
Annual home energy cost 15.66 $/year 20.24 $/year
Annual commercial energy cost 56.94 $/year 73.58 $/year
Performance per watt 0.99 pt/W 0.93 pt/W
Typical power consumption 52.81W 68.25W

bus

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

details

Pentium E2140  vs
4 506 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 65 nm 90 nm
Transistor count 105,000,000 125,000,000
Max CPUs 1 1
Clock multiplier 8 20
Voltage range 0.85 - 1.5V 1.25 - 1.4V
Operating temperature Unknown - 61.4°C Unknown - 67.7°C

overclocking

Overclocked clock speed 3 GHz 3.85 GHz
Overclocked clock speed (Water) 3.06 GHz 2.67 GHz
Overclocked clock speed (Air) 3 GHz 3.85 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 E2140
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Intel Pentium 4 506
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