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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 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
Significantly higher clock speed 3 GHz vs 2.2 GHz More than 35% higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Much better overclocked clock speed (Air) 4.22 GHz vs 2.2 GHz More than 90% better overclocked clock speed (Air)
Better PassMark (Single core) score 1,251 vs 869 Around 45% better PassMark (Single core) score
Much better overclocked clock speed (Water) 4.23 GHz vs 2.2 GHz More than 90% better overclocked clock speed (Water)
Front view of AMD A6 5345M

Reasons to consider the
AMD A6 5345M

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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 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 13.81W vs 52.81W 3.8x lower typical power consumption
Much higher Maximum operating temperature 105 °C vs 72.4 °C More than 45% higher Maximum operating temperature
Newer May, 2013 vs Jan, 2008 Release date over 5 years later
Better performance per watt 3.92 pt/W vs 1.83 pt/W Around 2.2x better performance per watt
Much lower annual home energy cost 4.1 $/year vs 15.66 $/year 3.8x lower annual home energy cost
Much lower annual commercial energy cost 14.89 $/year vs 56.94 $/year 3.8x lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo E8400 vs A6 5345M

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A6 5345M
2,253.5

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Duo E8400
128,000 MB/s
A6 5345M
1,735 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 E8400  vs
A6 5345M 
Clock speed 3 GHz 2.2 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 17W
Annual home energy cost 15.66 $/year 4.1 $/year
Annual commercial energy cost 56.94 $/year 14.89 $/year
Performance per watt 1.83 pt/W 3.92 pt/W
Typical power consumption 52.81W 13.81W

details

Core2 Duo E8400  vs
A6 5345M 
Threads 2 2
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 32 nm
Operating temperature Unknown - 72.4°C Unknown - 105°C

overclocking

Overclocked clock speed 4.22 GHz 2.2 GHz
Overclocked clock speed (Water) 4.23 GHz 2.2 GHz
Overclocked clock speed (Air) 4.22 GHz 2.2 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 8410G
Latest DirectX N/A 11.0
GPU clock speed N/A 450 MHz
Turbo clock speed N/A 600 MHz
Intel Core2 Duo E8400
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AMD A6 5345M
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