CPUBoss Review Our evaluation of 2600K vs 4670K among desktop CPUs (over 75W)

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

9.1

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 4670K 

CPUBoss recommends the Intel Core i5 4670K  based on its value.

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VS

Differences What are the advantages of each

Front view of Intel Core i7 2600K

Reasons to consider the
Intel Core i7 2600K

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Much higher GPU clock speed 850 MHz vs 350 MHz Around 2.5x higher GPU clock speed
More threads 8 vs 4 Twice as many threads
Much better PassMark score 8,494 vs 7,665 More than 10% better PassMark score
Significantly better overclocked clock speed (Air) 5.06 GHz vs 4.48 GHz Around 15% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 4.72 GHz vs 4.55 GHz Around 5% better overclocked clock speed (Water)
Front view of Intel Core i5 4670K

Reasons to consider the
Intel Core i5 4670K

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Much lower typical power consumption 68.25W vs 114.2W More than 40% lower typical power consumption
Much better cinebench r10 32Bit 1-core score 7,335 vs 6,397 Around 15% better cinebench r10 32Bit 1-core score
Much better performance per dollar 5.18 pt/$ vs 3 pt/$ Around 75% better performance per dollar
Much better CompuBench 1.5 ocean surface simulation score 241.38 fps vs 77.01 fps Around 3.2x better CompuBench 1.5 ocean surface simulation score
Much better performance per watt 11.84 pt/W vs 7.73 pt/W Around 55% better performance per watt
Newer Apr, 2013 vs Jan, 2011 Release date over 2 years later
Much lower annual home energy cost 20.24 $/year vs 41.8 $/year 2.1x lower annual home energy cost
Much lower annual commercial energy cost 73.58 $/year vs 111.78 $/year Around 35% lower annual commercial energy cost
Better cinebench r10 32Bit score 25,519 vs 24,933 Almost the same

Benchmarks Real world tests of Core i7 2600K vs i5 4670K

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core i7 2600K
77.01 fps
Core i5 4670K
241.38 fps

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 i7 2600K
2,500,000 MB/s
Core i5 4670K
4,930,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Core i7 2600K  vs i5 4670K 

9.0
8.0
The new chip is as much as 30 to 40 per cent quicker.
Core i7 2600K

Specifications Full list of technical specs

summary

Core i7 2600K  vs
i5 4670K 
Clock speed 3.4 GHz 3.4 GHz
Turbo clock speed 3.8 GHz 3.8 GHz
Cores Quad core Quad core
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 84W
Annual home energy cost 41.8 $/year 20.24 $/year
Annual commercial energy cost 111.78 $/year 73.58 $/year
Performance per watt 7.73 pt/W 11.84 pt/W
Typical power consumption 114.2W 68.25W

bus

Architecture DMI DMI 2.0
Number of links 1 0
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i7 2600K  vs
i5 4670K 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 72.6°C Unknown - 72.72°C

overclocking

Overclock popularity 2,016 57
Overclocked clock speed 5.06 GHz 4.48 GHz
Overclocked clock speed (Water) 4.72 GHz 4.55 GHz
PassMark (Overclocked) 5,835.1 5,198.5
Overclocked clock speed (Air) 5.06 GHz 4.48 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 3000 Intel® HD Graphics 4600
Number of displays supported 2 3
GPU clock speed 850 MHz 350 MHz
Turbo clock speed 1,350 MHz 1,200 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Core i7 2600K
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Intel Core i5 4670K
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