CPUBoss Review Our evaluation of 5960X vs 4790K 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

9.9

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 5960X 

CPUBoss recommends the Intel Core i7 5960X  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Core i7 5960X

Reasons to consider the
Intel Core i7 5960X

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CPUBoss is not aware of any important advantages of the 5960X Extreme Edition vs the 4790K.

Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Benchmarks Real world tests of Core i7 5960X vs 4790K

CompuBench 1.5 (Face detection)

Core i7 5960X
10.69 mPixels/s
Core i7 4790K
15.01 mPixels/s

CompuBench 1.5 (Video composition) Data courtesy CompuBench

Core i7 5960X
5.39 fps
Core i7 4790K
12.09 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

Sky Diver Data courtesy FutureMark

Cloud Gate 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 i7 5960X
4,120,000 MB/s
Core i7 4790K
5,140,000 MB/s

Specifications Full list of technical specs

summary

Core i7 5960X  vs
4790K 
Clock speed 3 GHz 4 GHz
Turbo clock speed 3.5 GHz 4.4 GHz
Cores Octa 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 140W 88W
Annual home energy cost 33.73 $/year 21.2 $/year
Annual commercial energy cost 122.64 $/year 77.09 $/year
Performance per watt 7.19 pt/W 11.41 pt/W
Typical power consumption 113.75W 71.5W

bus

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

details

Core i7 5960X  vs
4790K 
Architecture x86-64 x86-64
Threads 16 8
L3 cache 20 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.45 GHz 4.64 GHz
Overclocked clock speed (Water) 4.6 GHz 4.8 GHz
PassMark (Overclocked) 8,243.2 6,925.3
Overclocked clock speed (Air) 4.45 GHz 4.64 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,250 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR
Channels Quad Channel Dual Channel
Supports ECC No No
Maximum bandwidth 6,400 MB/s 25,600 MB/s
Maximum memory size 65,536 MB 32,768 MB
Intel Core i7 5960X
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Intel Core i7 4790K
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Comments

Showing 2 comments.
I'm considering upgrading to 4790K with Gigabyte G1 Sniper B5. Any suggestions would be appreciated.
There is one major thing I didn't see mentioned above and that's PCI-E lanes, which the 5960x has 40 and the 4790K has only 16. Which, apparently, can limit the performance of newer high end cards such as the GTX 1080 and Titan X Pascal IF you're running SLI. If not, then it's not an issue. Although, to be fair, I have a 4790K and a set of SLI GTX 1080s and they perform extremely well.
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