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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
Much higher clock speed 3 GHz vs 1 GHz 3x higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Significantly better geekbench 3 single core score 1,625 vs 437 Around 3.8x better geekbench 3 single core score
Better PassMark score 2,160 vs 572 More than 3.8x better PassMark score
Front view of AMD C 70

Reasons to consider the
AMD C 70

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 7.31W vs 52.81W 7.2x lower typical power consumption
Newer manufacturing process 40 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Sep, 2012 vs Jan, 2008 Release date over 4 years later
Significantly higher Maximum operating temperature 90 °C vs 72.4 °C Around 25% higher Maximum operating temperature
Better performance per watt 3.88 pt/W vs 1.83 pt/W More than 2x better performance per watt
Much lower annual commercial energy cost 7.88 $/year vs 56.94 $/year 7.2x lower annual commercial energy cost
Much lower annual home energy cost 2.17 $/year vs 15.66 $/year 7.2x lower annual home energy cost

Benchmarks Real world tests of Core2 Duo E8400 vs AMD C 70

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
AMD C 70
36,800 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
AMD C 70 
Clock speed 3 GHz 1 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
SSE4.1
AMD-V
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Core2 Duo E8400  vs
AMD C 70 
Threads 2 2
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 40 nm
Max CPUs 1 1
Clock multiplier 9 5
Operating temperature Unknown - 72.4°C Unknown - 90°C

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 7290
Latest DirectX N/A 11.0
GPU clock speed N/A 276 MHz
Turbo clock speed N/A 400 MHz

power consumption

TDP 65W 9W
Annual home energy cost 15.66 $/year 2.17 $/year
Annual commercial energy cost 56.94 $/year 7.88 $/year
Performance per watt 1.83 pt/W 3.88 pt/W
Typical power consumption 52.81W 7.31W
Intel Core2 Duo E8400
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AMD C 70
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