CPUBoss Review Our evaluation of 2600K vs 4670K

Performance

Benchmark performance using all cores

Cinebench R10 32-bit, Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Cinebench R10 32-bit (1-core) and Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?

Passmark (Overclocked), Unlocked, Maximum Overclocked Clock Speed (Air) and 2 more

Value

Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Winner
Intel Core i5 4670K 

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

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VS
Front view of Intel Core i5 4670K

Intel Core i5 4670K

CPUBoss Winner

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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Is hyperthreaded Yes vs No Somewhat common; Maximizes usage of each CPU core
Much higher GPU clock speed 850 MHz vs 350 MHz Around 2.5x higher GPU clock speed
More l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 8 vs 4 Twice as many threads
Better turbo clock speed 1,350 MHz vs 1,200 MHz Around 15% better turbo clock speed
Significantly more l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better overclocked clock speed (Air) 5.07 GHz vs 4.5 GHz Around 15% better overclocked clock speed (Air)
Slightly better 3DMark11 physics score 7,700 vs 6,830 Around 15% better 3DMark11 physics score
Slightly better PassMark score 8,494 vs 7,665 More than 10% better PassMark score
Slightly better PassMark (Overclocked) score 5,835.1 vs 5,198.5 More than 10% better PassMark (Overclocked) score
Better overclocked clock speed (Water) 5.23 GHz vs 4.54 GHz More than 15% 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 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
Significantly lower typical power consumption 68.25W vs 114.2W More than 40% lower typical power consumption
Better PassMark (Single core) score 2,208 vs 1,920 15% better PassMark (Single core) score
Better performance per watt 12.15 pt/W vs 7.06 pt/W More than 70% better performance per watt
Newer Apr, 2013 vs Jan, 2011 Release date over 2 years later
Better performance per dollar 5.92 pt/$ vs 3.43 pt/$ More than 70% better performance per dollar
Better cinebench r10 32Bit 1-core score 7,335 vs 5,991 More than 20% better cinebench r10 32Bit 1-core score
Much lower annual home energy cost 20.24 $/year vs 41.8 $/year 2.1x lower annual home energy cost
Lower annual commercial energy cost 73.58 $/year vs 111.78 $/year Around 35% lower annual commercial energy cost

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

3D Mark 11 (Physics)

Core i7 2600K Core i5 4670K @ community.futuremark.com

Cinebench R10 32-Bit

Core i7 2600K Core i5 4670K @ anandtech.com

Cinebench R10 32-Bit (Single Core)

Core i7 2600K Core i5 4670K @ anandtech.com

Passmark

Core i7 2600K Core i5 4670K @ cpubenchmark.net

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
Is hyperthreaded Yes No

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 7.06 pt/W 12.15 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 5.07 GHz 4.5 GHz
Overclocked clock speed (Water) 5.23 GHz 4.54 GHz
PassMark (Overclocked) 5,835.1 5,198.5
Overclocked clock speed (Air) 5.07 GHz 4.5 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
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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