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Differences What are the advantages of each

Front view of Intel Core i5 3470

Reasons to consider the
Intel Core i5 3470

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Much higher clock speed 3.2 GHz vs 1.5 GHz Around 2.2x higher clock speed
Significantly higher turbo clock speed 3.6 GHz vs 2.3 GHz More than 55% higher turbo clock speed
Much better performance per dollar 2.7 pt/$ vs 0.57 pt/$ More than 4.8x better performance per dollar
Much higher GPU clock speed 650 MHz vs 350 MHz More than 85% higher GPU clock speed
Much better turbo clock speed 1,100 MHz vs 850 MHz Around 30% better turbo clock speed
More l3 cache 6 MB vs 3 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly better PassMark (Single core) score 1,906 vs 1,199 Around 60% better PassMark (Single core) score
Much better overclocked clock speed (Air) 3.67 GHz vs 2.3 GHz Around 60% better overclocked clock speed (Air)
Better PassMark score 6,607 vs 2,957 Around 2.2x better PassMark score
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 4.09 GHz vs 1.5 GHz Around 2.8x better overclocked clock speed (Water)
Front view of Intel Core i5 3439Y

Reasons to consider the
Intel Core i5 3439Y

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Much lower typical power consumption 10.56W vs 86.05W 8.1x lower typical power consumption
Much higher Maximum operating temperature 105 °C vs 67.4 °C More than 55% higher Maximum operating temperature
Much better performance per watt 9.82 pt/W vs 4.41 pt/W Around 2.2x better performance per watt
Much lower annual home energy cost 3.13 $/year vs 31.22 $/year 10x lower annual home energy cost
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual commercial energy cost 11.39 $/year vs 84.62 $/year 7.4x lower annual commercial energy cost
Newer Jan, 2013 vs Jun, 2012 Release date 7 months later

Benchmarks Real world tests of Core i5 3470 vs 3439Y

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 3470  vs
3439Y 
Clock speed 3.2 GHz 1.5 GHz
Turbo clock speed 3.6 GHz 2.3 GHz
Cores Quad core Dual core
Socket type
LGA 1155
BGA 1023
Is unlocked No No

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 77W 13W
Annual home energy cost 31.22 $/year 3.13 $/year
Annual commercial energy cost 84.62 $/year 11.39 $/year
Performance per watt 4.41 pt/W 9.82 pt/W
Typical power consumption 86.05W 10.56W

bus

Architecture DMI 2.0 DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i5 3470  vs
3439Y 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 6 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Clock multiplier 32 15
Operating temperature Unknown - 67.4°C Unknown - 105°C

overclocking

Overclocked clock speed 3.67 GHz 2.3 GHz
Overclocked clock speed (Water) 4.09 GHz 1.5 GHz
Overclocked clock speed (Air) 3.67 GHz 2.3 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2500 Intel® HD Graphics 4000
Number of displays supported 3 3
GPU clock speed 650 MHz 350 MHz
Turbo clock speed 1,100 MHz 850 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i5 3470
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Intel Core i5 3439Y
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