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Differences What are the advantages of each

Front view of Intel Pentium 4405Y

Reasons to consider the
Intel Pentium 4405Y

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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 4.88W vs 77.19W 15.8x lower typical power consumption
Much better performance per watt 14.35 pt/W vs 9.04 pt/W Around 60% better performance per watt
More number of displays supported 3 vs 2 1 more number of displays supported
Newer Jul, 2015 vs Jan, 2011 Release date over 4 years later
Much lower annual home energy cost 1.45 $/year vs 22.89 $/year 15.8x lower annual home energy cost
Much lower annual commercial energy cost 5.26 $/year vs 83.22 $/year 15.8x lower annual commercial energy cost
Front view of Intel Core i5 2500

Reasons to consider the
Intel Core i5 2500

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Much higher clock speed 3.3 GHz vs 1.5 GHz Around 2.2x higher clock speed
Much better performance per dollar 2.86 pt/$ vs 0.53 pt/$ More than 5.2x better performance per dollar
Much higher GPU clock speed 850 MHz vs 300 MHz More than 2.8x higher GPU clock speed
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better turbo clock speed 1,100 MHz vs 800 MHz Around 40% better turbo clock speed
More l3 cache 6 MB vs 2 MB 3x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better PassMark (Single core) score 1,857 vs 790 More than 2.2x better PassMark (Single core) score
Much better overclocked clock speed (Air) 3.7 GHz vs 1.5 GHz Around 2.5x better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark score 6,257 vs 2,046 More than 3x better PassMark score
More cores 4 vs 2 Twice as many cores; run more applications at once
More l3 cache per core 1.5 MB/core vs 1 MB/core 50% more l3 cache per core
Much better overclocked clock speed (Water) 4.21 GHz vs 1.5 GHz More than 2.8x better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium 4405Y vs Core i5 2500

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium 4405Y  vs
Core i5 2500 
Clock speed 1.5 GHz 3.3 GHz
Cores Dual core Quad core

features

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

power consumption

TDP 6W 95W
Annual home energy cost 1.45 $/year 22.89 $/year
Annual commercial energy cost 5.26 $/year 83.22 $/year
Performance per watt 14.35 pt/W 9.04 pt/W
Typical power consumption 4.88W 77.19W

bus

Architecture FSB DMI
Number of links 1 1
Transfer rate 4,000 MT/s 5,000 MT/s

details

Pentium 4405Y  vs
Core i5 2500 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 2 MB 6 MB
L3 cache per core 1 MB/core 1.5 MB/core
Manufacture process 14 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.5 GHz 3.7 GHz
Overclocked clock speed (Water) 1.5 GHz 4.21 GHz
Overclocked clock speed (Air) 1.5 GHz 3.7 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 515 Intel® HD Graphics 2000
Number of displays supported 3 2
GPU clock speed 300 MHz 850 MHz
Turbo clock speed 800 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 16,384 MB 32,768 MB
Intel Pentium 4405Y
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Intel Core i5 2500
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