CPUBoss Review Our evaluation of 3470S vs 2500K among desktop CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

8.5

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 2500K 

CPUBoss recommends the Intel Core i5 2500K  based on its overclocking.

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VS

Differences What are the advantages of each

Front view of Intel Core i5 3470S

Reasons to consider the
Intel Core i5 3470S

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Much lower typical power consumption 52.81W vs 112.55W 2.1x lower typical power consumption
Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More number of displays supported 3 vs 2 1 more number of displays supported
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much lower annual home energy cost 15.66 $/year vs 41.29 $/year 2.6x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 110.03 $/year Around 50% lower annual commercial energy cost
Newer Jun, 2012 vs Jan, 2011 Release date over 1 years later
Front view of Intel Core i5 2500K

Reasons to consider the
Intel Core i5 2500K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 3.3 GHz vs 2.9 GHz Around 15% higher clock speed
Much better overclocked clock speed (Air) 4.98 GHz vs 3.58 GHz Around 40% better overclocked clock speed (Air)
Significantly higher Maximum operating temperature 72.6 °C vs 69.1 °C More than 5% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.88 GHz vs 2.9 GHz Around 70% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i5 3470S vs 2500K

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

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 3470S
2,450,000 MB/s
Core i5 2500K
2,530,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 3470S  vs
2500K 
Clock speed 2.9 GHz 3.3 GHz
Turbo clock speed 3.6 GHz 3.7 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 95W
Annual home energy cost 15.66 $/year 41.29 $/year
Annual commercial energy cost 56.94 $/year 110.03 $/year
Performance per watt 8.97 pt/W 6.79 pt/W
Typical power consumption 52.81W 112.55W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
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 32,768 MB 32,768 MB

details

Core i5 3470S  vs
2500K 
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 32 nm
Transistor count 1,400,000,000 1,160,000,000
Max CPUs 1 1
Clock multiplier 29 33
Operating temperature Unknown - 69.1°C 5 - 72.6°C

overclocking

Overclock popularity 7 3,179
Overclock review score 0.9 5
Overclocked clock speed 3.58 GHz 4.98 GHz
Overclocked clock speed (Water) 2.9 GHz 4.88 GHz
Overclocked clock speed (Air) 3.58 GHz 4.98 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2500 Intel® HD Graphics 3000
Latest DirectX 11.0 10.1
Number of displays supported 3 2
GPU clock speed 650 MHz 850 MHz
Turbo clock speed 1,100 MHz 1,100 MHz

bus

Architecture DMI 2.0 DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Core i5 3470S
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Intel Core i5 2500K
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