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Differences What are the advantages of each

Front view of Intel Core i5 3570S

Reasons to consider the
Intel Core i5 3570S

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Significantly lower typical power consumption 52.81W vs 107.5W 2x lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better performance per watt 16.54 pt/W vs 5.14 pt/W Around 3.2x better performance per watt
Better performance per dollar 5.24 pt/$ vs 3.38 pt/$ More than 55% better performance per dollar
Much lower annual home energy cost 15.66 $/year vs 38.81 $/year 2.5x lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 106 $/year More than 45% lower annual commercial energy cost
Newer Jun, 2012 vs Apr, 2012 Release date 1 months later
Front view of Intel Core i5 3570K

Reasons to consider the
Intel Core i5 3570K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Higher clock speed 3.4 GHz vs 3.1 GHz Around 10% higher clock speed
Better overclocked clock speed (Air) 4.61 GHz vs 3.81 GHz More than 20% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.55 GHz vs 3.1 GHz More than 45% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i5 3570S vs 3570K

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 i5 3570S
2,530,000 MB/s
Core i5 3570K
2,650,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 3570S  vs
3570K 
Clock speed 3.1 GHz 3.4 GHz
Turbo clock speed 3.8 GHz 3.8 GHz
Cores Quad core Quad core
Socket type
LGA 1155
Is unlocked No Yes

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 77W
Annual home energy cost 15.66 $/year 38.81 $/year
Annual commercial energy cost 56.94 $/year 106 $/year
Performance per watt 16.54 pt/W 5.14 pt/W
Typical power consumption 52.81W 107.5W

bus

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

details

Core i5 3570S  vs
3570K 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 6 MB 6 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Transistor count 1,400,000,000 1,400,000,000
Max CPUs 1 1
Clock multiplier 31 34

overclocking

Overclocked clock speed 3.81 GHz 4.61 GHz
Overclocked clock speed (Water) 3.1 GHz 4.55 GHz
Overclocked clock speed (Air) 3.81 GHz 4.61 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2500 Intel® HD Graphics 4000
Latest DirectX 10.x 10.x
Number of displays supported 3 3
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,150 MHz 1,150 MHz
3DMark06 4,363 5,339.9

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 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i5 3570S
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Intel Core i5 3570K
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