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Differences What are the advantages of each

Front view of Intel Core2 Duo E8500

Reasons to consider the
Intel Core2 Duo E8500

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Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better PassMark score 2,291 vs 668 Around 3.5x better PassMark score
Much better PassMark (Single core) score 1,318 vs 785 Around 70% better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 2,970 vs 893 More than 3.2x better geekbench 2 (32-bit) score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 3.16 GHz vs 2.7 GHz More than 15% higher clock speed
Much better overclocked clock speed (Air) 4.46 GHz vs 2.7 GHz More than 65% 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 1.93 pt/W vs 0.93 pt/W More than 2x better performance per watt
Much higher Maximum operating temperature 72.4 °C vs 65 °C More than 10% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.42 GHz vs 2.7 GHz Around 65% better overclocked clock speed (Water)
Front view of AMD Athlon 1640B

Reasons to consider the
AMD Athlon 1640B

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Significantly lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Significantly lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo E8500 vs Athlon 1640B

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 E8500
129,700 MB/s
Athlon 1640B
64.8 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8500  vs
Athlon 1640B 
Clock speed 3.16 GHz 2.7 GHz
Cores Dual core Single core
Socket type
LGA 775
AM2

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3

power consumption

TDP 65W 45W
Annual home energy cost 15.66 $/year 10.84 $/year
Annual commercial energy cost 56.94 $/year 39.42 $/year
Performance per watt 1.93 pt/W 0.93 pt/W
Typical power consumption 52.81W 36.56W

details

Core2 Duo E8500  vs
Athlon 1640B 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 1 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 72.4°C Unknown - 65°C

overclocking

Overclocked clock speed 4.46 GHz 2.7 GHz
Overclocked clock speed (Water) 4.42 GHz 2.7 GHz
Overclocked clock speed (Air) 4.46 GHz 2.7 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 Core2 Duo E8500
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AMD Athlon 1640B
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