CPUBoss Review Our evaluation of 4790K vs 6950X among all 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

Sky Diver and Cloud Gate

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?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

8.8

CPUBoss Score

Combination of all six facets

Winner
Intel 6950X 

CPUBoss recommends the Intel 6950X  based on its performance.

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VS
Front view of Intel 6950X

Intel 6950X

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Significantly higher clock speed 4 GHz vs 3 GHz Around 35% higher clock speed
Significantly higher turbo clock speed 4.4 GHz vs 3.5 GHz More than 25% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 71.5W vs 113.75W More than 35% lower typical power consumption
Much better performance per watt 11.42 pt/W vs 3.64 pt/W Around 3.2x better performance per watt
Better PassMark (Single core) score 2,530 vs 2,143 Around 20% better PassMark (Single core) score
Better overclocked clock speed (Air) 4.63 GHz vs 4.22 GHz Around 10% better overclocked clock speed (Air)
Much lower annual home energy cost 21.2 $/year vs 33.73 $/year More than 35% lower annual home energy cost
Much lower annual commercial energy cost 77.09 $/year vs 122.64 $/year More than 35% lower annual commercial energy cost
Better overclocked clock speed (Water) 4.8 GHz vs 4.3 GHz More than 10% better overclocked clock speed (Water)
Front view of Intel 6950X

Reasons to consider the
Intel 6950X

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Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 10 vs 4 6 more cores; run more applications at once
Much better PassMark score 20,013 vs 11,194 Around 80% better PassMark score
More threads 20 vs 8 12 more threads
Newer Apr, 2016 vs Apr, 2014 Release date over 2 years later
Supports more RAM 131,072 MB vs 32,768 MB Supports 4x more RAM

Benchmarks Real world tests of Core i7 4790K vs 6950X

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 4790K
15,490
6950X
39,590

GeekBench 3 (Single core) Data courtesy Primate Labs

6950X
4,218

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 4790K
5,140,000 MB/s
6950X
5,040 MB/s

Cinebench R10 32-Bit

Core i7 4790K
33,538
6950X
53,516

Cinebench R10 32-Bit (Single Core)

6950X
7,239

PassMark Data courtesy Passmark

Core i7 4790K
11,194
6950X
20,013

PassMark (Single Core)

6950X
2,143

Specifications Full list of technical specs

summary

Core i7 4790K  vs
6950X 
Clock speed 4 GHz 3 GHz
Turbo clock speed 4.4 GHz 3.5 GHz
Cores Quad core Deca 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
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 88W 140W
Annual home energy cost 21.2 $/year 33.73 $/year
Annual commercial energy cost 77.09 $/year 122.64 $/year
Performance per watt 11.42 pt/W 3.64 pt/W
Typical power consumption 71.5W 113.75W

bus

Architecture DMI 2.0 FSB
Number of links 0 1

details

Core i7 4790K  vs
6950X 
Architecture x86-64 x86-64
Threads 8 20
Manufacture process 22 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.63 GHz 4.22 GHz
Overclocked clock speed (Water) 4.8 GHz 4.3 GHz
Overclocked clock speed (Air) 4.63 GHz 4.22 GHz

integrated graphics

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

memory controller

Memory controller Built-in Built-in
Channels Dual Channel Quad Channel
Supports ECC No No
Maximum memory size 32,768 MB 131,072 MB
Intel Core i7 4790K
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Intel 6950X
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