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Intel Core i3 4005U

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Front view of Intel Core i3 4005U

Differences What are the advantages of each

Front view of Intel Core i3 4005U

Reasons to consider the
Intel Core i3 4005U

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Much newer manufacturing process 22 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per watt 28.25 pt/W vs 0.93 pt/W Around 30.2x better performance per watt
Much lower typical power consumption 12.19W vs 77.19W 6.3x lower typical power consumption
Significantly more l3 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l3 cache per core
Newer Jul, 2013 vs Jul, 2008 Release date over 4 years later
Better geekbench 3 single core score 1,628 vs 1,126 Around 45% better geekbench 3 single core score
Much lower annual home energy cost 3.61 $/year vs 22.89 $/year 6.3x lower annual home energy cost
Much lower annual commercial energy cost 13.14 $/year vs 83.22 $/year 6.3x lower annual commercial energy cost
Front view of AMD Phenom X4 9850B

Reasons to consider the
AMD Phenom X4 9850B

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.5 GHz vs 1.7 GHz More than 45% higher clock speed
Significantly better overclocked clock speed (Air) 3.01 GHz vs 1.81 GHz More than 65% better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Better geekbench 3 Multi-Core score 4,402 vs 3,389 Around 30% better geekbench 3 Multi-Core score
Better overclocked clock speed (Water) 2.5 GHz vs 1.7 GHz More than 45% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i3 4005U vs Phenom X4 9850B

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

Core i3 4005U
2,180,000 MB/s
Phenom X4 9850B
97 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 4005U  vs
Phenom X4 9850B 
Clock speed 1.7 GHz 2.5 GHz
Cores Dual core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

Core i3 4005U  vs
Phenom X4 9850B 
Threads 4 4
L2 cache 0.5 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 3 MB 2 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 22 nm 65 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.81 GHz 3.01 GHz
Overclocked clock speed (Water) 1.7 GHz 2.5 GHz
Overclocked clock speed (Air) 1.81 GHz 3.01 GHz

power consumption

TDP 15W 95W
Annual home energy cost 3.61 $/year 22.89 $/year
Annual commercial energy cost 13.14 $/year 83.22 $/year
Performance per watt 28.25 pt/W 0.93 pt/W
Typical power consumption 12.19W 77.19W
Intel Core i3 4005U
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AMD Phenom X4 9850B
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