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Differences What are the advantages of each

Front view of Intel Pentium 1405 v2

Reasons to consider the
Intel Pentium 1405 v2

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Much lower typical power consumption 32.5W vs 93.6W 2.9x lower typical power consumption
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 3 MB/core vs 1.5 MB/core 2x more l3 cache per core
Supports more RAM 393,216 MB vs 32,768 MB Supports 12x more RAM
Newer Jan, 2014 vs Jan, 2011 Release date over 3 years later
Much lower annual home energy cost 9.64 $/year vs 27.75 $/year 2.9x lower annual home energy cost
Much lower annual commercial energy cost 35.04 $/year vs 100.92 $/year 2.9x lower annual commercial energy cost
Higher Maximum operating temperature 80 °C vs 72.6 °C More than 10% higher Maximum operating temperature
Front view of Intel Core i5 2400

Reasons to consider the
Intel Core i5 2400

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Much higher clock speed 3.1 GHz vs 1.4 GHz Around 2.2x higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better overclocked clock speed (Air) 3.54 GHz vs 1.4 GHz More than 2.5x better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 3.51 GHz vs 1.4 GHz More than 2.5x better overclocked clock speed (Water)
More threads 4 vs 2 Twice as many threads

Features Key features of the Pentium 1405 v2  vs Core i5 2400 

clock speed

Pentium 1405 v2
1.4 GHz
Core i5 2400
3.1 GHz

L3 cache

overclocked clock speed (air)

Pentium 1405 v2
1.4 GHz
Core i5 2400
3.54 GHz

overclocked clock speed (water)

Pentium 1405 v2
1.4 GHz
Core i5 2400
3.51 GHz

Specifications Full list of technical specs

summary

Pentium 1405 v2  vs
Core i5 2400 
Clock speed 1.4 GHz 3.1 GHz
Cores Dual core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes 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 40W 95W
Annual home energy cost 9.64 $/year 27.75 $/year
Annual commercial energy cost 35.04 $/year 100.92 $/year
Typical power consumption 32.5W 93.6W

bus

Architecture FSB DMI
Number of links 1 1
Transfer rate 0 MT/s 5,000 MT/s

details

Pentium 1405 v2  vs
Core i5 2400 
Architecture x86-64 x86-64
Threads 2 4
L3 cache 6 MB 6 MB
L3 cache per core 3 MB/core 1.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 80°C Unknown - 72.6°C

overclocking

Overclocked clock speed 1.4 GHz 3.54 GHz
Overclocked clock speed (Water) 1.4 GHz 3.51 GHz
Overclocked clock speed (Air) 1.4 GHz 3.54 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2000
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 393,216 MB 32,768 MB
Intel Pentium 1405 v2
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Intel Core i5 2400
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