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Differences What are the advantages of each

Front view of Intel Pentium 4 519K

Reasons to consider the
Intel Pentium 4 519K

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Higher clock speed 3.06 GHz vs 2.93 GHz Around 5% higher clock speed
Much better overclocked clock speed (Air) 4.22 GHz vs 3.85 GHz Around 10% better overclocked clock speed (Air)
Front view of Intel Core2 Duo E7500

Reasons to consider the
Intel Core2 Duo E7500

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Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better geekbench 2 (32-bit) score 2,673 vs 884 More than 3x better geekbench 2 (32-bit) score
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 1.9 pt/W vs 1.03 pt/W Around 85% better performance per watt
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Significantly lower typical power consumption 52.81W vs 68.25W Around 25% lower typical power consumption
Much higher Maximum operating temperature 74.1 °C vs 67.7 °C Around 10% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.06 GHz vs 3.07 GHz More than 30% better overclocked clock speed (Water)
Newer Jan, 2009 vs Oct, 2004 Release date over 4 years later
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

Benchmarks Real world tests of Pentium 4 519K vs Core2 Duo E7500

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 519K
106,600 MB/s
Core2 Duo E7500
124,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Specifications Full list of technical specs

summary

Pentium 4 519K  vs
Core2 Duo E7500 
Clock speed 3.06 GHz 2.93 GHz
Cores Single core Dual core
Socket type
LGA 775

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
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 1.03 pt/W 1.9 pt/W
Typical power consumption 68.25W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 533 MHz 1,066 MHz

details

Pentium 4 519K  vs
Core2 Duo E7500 
Architecture x86-64 x86-64
Threads 1 2
L2 cache 1 MB 3 MB
L2 cache per core 1 MB/core 1.5 MB/core
Manufacture process 90 nm 45 nm
Transistor count 125,000,000 228,000,000
Max CPUs 1 1
Clock multiplier 23 11
Voltage range 1.25 - 1.4V 0.85 - 1.36V
Operating temperature Unknown - 67.7°C Unknown - 74.1°C

overclocking

Overclocked clock speed 4.22 GHz 3.85 GHz
Overclocked clock speed (Water) 3.07 GHz 4.06 GHz
Overclocked clock speed (Air) 4.22 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 4 519K
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Intel Core2 Duo E7500
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