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Differences What are the advantages of each

Front view of Intel Pentium E5700

Reasons to consider the
Intel Pentium E5700

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Much more l2 cache 2 MB vs 0.25 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3 GHz vs 1.75 GHz More than 70% higher clock speed
Much better PassMark score 1,743 vs 340 Around 5.2x better PassMark score
Much better PassMark (Single core) score 1,224 vs 464 Around 2.8x better PassMark (Single core) score
Much better overclocked clock speed (Air) 3.87 GHz vs 2.21 GHz Around 75% better overclocked clock speed (Air)
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Much better performance per watt 1.9 pt/W vs 0.41 pt/W More than 4.5x better performance per watt
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly higher Maximum operating temperature 74.1 °C vs 69 °C More than 5% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.2 GHz vs 1.4 GHz Around 3x better overclocked clock speed (Water)
Newer Jul, 2010 vs Jul, 2004 Release date over 6 years later
Front view of AMD Sempron 2500+

Reasons to consider the
AMD Sempron 2500+

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Lower typical power consumption 47.94W vs 52.81W Around 10% lower typical power consumption
Lower annual commercial energy cost 51.68 $/year vs 56.94 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 14.21 $/year vs 15.66 $/year Around 10% lower annual home energy cost

Benchmarks Real world tests of Pentium E5700 vs Sempron 2500+

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 E5700
127,200 MB/s
Sempron 2500+
38.7 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium E5700  vs
Sempron 2500+ 
Clock speed 3 GHz 1.75 GHz
Cores Dual core Single core
Socket type
LGA 775
754
462

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supplemental SSE3

bus

Clock speed 800 MHz 333 MHz

details

Pentium E5700  vs
Sempron 2500+ 
Threads 2 1
L2 cache 2 MB 0.25 MB
L2 cache per core 1 MB/core 0.25 MB/core
Manufacture process 45 nm 130 nm
Max CPUs 1 1
Operating temperature Unknown - 74.1°C Unknown - 69°C

overclocking

Overclocked clock speed 3.87 GHz 2.21 GHz
Overclocked clock speed (Water) 4.2 GHz 1.4 GHz
Overclocked clock speed (Air) 3.87 GHz 2.21 GHz

power consumption

TDP 65W 59W
Annual home energy cost 15.66 $/year 14.21 $/year
Annual commercial energy cost 56.94 $/year 51.68 $/year
Performance per watt 1.9 pt/W 0.41 pt/W
Typical power consumption 52.81W 47.94W
Intel Pentium E5700
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AMD Sempron 2500+
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