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Differences What are the advantages of each

Front view of Intel Core2 Duo E7500

Reasons to consider the
Intel Core2 Duo E7500

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Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 2.93 GHz vs 2.4 GHz More than 20% higher clock speed
Much more l2 cache per core 1.5 MB/core vs 1 MB/core 50% more l2 cache per core
Lower typical power consumption 52.81W vs 69.06W Around 25% lower typical power consumption
Significantly better overclocked clock speed (Air) 3.85 GHz vs 2.67 GHz Around 45% better overclocked clock speed (Air)
Better geekbench 3 single core score 1,553 vs 970 More than 60% better geekbench 3 single core score
Newer Jan, 2009 vs Sep, 2005 Release date over 3 years later
Higher Maximum operating temperature 74.1 °C vs 67 °C More than 10% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.06 GHz vs 2.4 GHz Around 70% better overclocked clock speed (Water)
Better performance per watt 1.9 pt/W vs 1.05 pt/W More than 80% better performance per watt
Lower annual home energy cost 15.66 $/year vs 20.48 $/year Around 25% lower annual home energy cost
Lower annual commercial energy cost 56.94 $/year vs 74.46 $/year Around 25% lower annual commercial energy cost
Front view of AMD Opteron 280

Reasons to consider the
AMD Opteron 280

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration

Benchmarks Real world tests of Core2 Duo E7500 vs Opteron 280

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

Core2 Duo E7500
124,700 MB/s
Opteron 280
98,350 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E7500  vs
Opteron 280 
Clock speed 2.93 GHz 2.4 GHz
Cores Dual core Dual core
Socket type
LGA 775
940

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Core2 Duo E7500  vs
Opteron 280 
Threads 2 2
L2 cache 3 MB 2 MB
L2 cache per core 1.5 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 2
Clock multiplier 11 12
Voltage range 0.85 - 1.36V 1.2 - UnknownV
Operating temperature Unknown - 74.1°C 0 - 67°C

overclocking

Overclocked clock speed 3.85 GHz 2.67 GHz
Overclocked clock speed (Water) 4.06 GHz 2.4 GHz
Overclocked clock speed (Air) 3.85 GHz 2.67 GHz

power consumption

TDP 65W 85W
Annual home energy cost 15.66 $/year 20.48 $/year
Annual commercial energy cost 56.94 $/year 74.46 $/year
Performance per watt 1.9 pt/W 1.05 pt/W
Typical power consumption 52.81W 69.06W
Intel Core2 Duo E7500
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AMD Opteron 280
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