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Differences What are the advantages of each

Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much higher clock speed 3 GHz vs 1.6 GHz More than 85% higher clock speed
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Higher Maximum operating temperature 72.4 °C vs 70 °C Around 5% higher Maximum operating temperature
Front view of AMD Athlon 5150

Reasons to consider the
AMD Athlon 5150

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 28 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much lower typical power consumption 20.31W vs 52.81W 2.6x lower typical power consumption
Newer Dec, 2013 vs Jan, 2008 Release date over 6 years later
Much lower annual home energy cost 6.02 $/year vs 15.66 $/year 2.6x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 56.94 $/year 2.6x lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo E8400 vs Athlon 5150

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core2 Duo E8400
2.41 mHash/s
Athlon 5150
15.54 mHash/s

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 E8400
128,000 MB/s
Athlon 5150
819.5 MB/s

Cinebench R10 32-Bit

Cinebench R10 32-Bit (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Athlon 5150 
Clock speed 3 GHz 1.6 GHz
Cores Dual core Quad core
Socket type
LGA 775
FS1b

features

Has a NX bit Yes No
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE Family
SSE4a
SSE2
F16C
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

Core2 Duo E8400  vs
Athlon 5150 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 6 MB 2 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 28 nm
Max CPUs 1 1
Operating temperature Unknown - 72.4°C Unknown - 70°C

integrated graphics

GPU None GPU
Label N/A Radeon HD 8400
GPU clock speed N/A 600 MHz

power consumption

TDP 65W 25W
Annual home energy cost 15.66 $/year 6.02 $/year
Annual commercial energy cost 56.94 $/year 21.9 $/year
Performance per watt 1.83 pt/W 3.73 pt/W
Typical power consumption 52.81W 20.31W
Intel Core2 Duo E8400
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AMD Athlon 5150
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