Intel Core i7 6700K vs 4790K

older Released July, 2015

Reasons to buy the Intel Core i7 6700K

	Much newer manufacturing process 14 nm		Better cinebench r10 32Bit 1-core score 8,981
	Newer Jul, 2015		Slightly better cinebench r10 32Bit score 36,746

Overall performance is better than any other CPU on the market, save for Extreme Edition models.

by PCMag

older Released April, 2014

Reasons to buy the 4790K

	Much better performance per dollar 3.7 pt/$		Higher turbo clock speed 4.4 GHz
	Much better performance per watt 11.42 pt/W		Better turbo clock speed 1,250 MHz

If you just upgraded last year, the benefits probably aren't substantial enough, but if you upgraded in 2010 or before, the Core i7-4790K is a worthwhile investment, and is our new Editors' Choice for high-end processors.

by PCMag (Jul, 2014)

	Performance
	Benchmark performance using all cores
Core i7 6700K 6.6 Core i7 4790K 7.7 Core i5 6600K 5.9
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Core i7 6700K 8.1 Core i7 4790K 9.9 Core i5 6600K 7.4
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Core i7 6700K n.d. Core i7 4790K 7.4 Core i5 6600K n.d.
Sky Diver and Cloud Gate

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Core i7 6700K 8.1 Core i7 4790K 7.4 Core i5 6600K 7.8
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
Core i7 6700K 5.1 Core i7 4790K 5.1 Core i5 6600K 5.1
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Core i7 6700K 5.7 Core i7 4790K 5.7 Core i5 6600K 5.8
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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Reasons to consider the
Intel Core i7 6700K

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Much newer manufacturing process

14 nm

22 nm

A newer manufacturing process allows for a more powerful, yet cooler running processor

Better cinebench r10 32Bit 1-core score

8,981

8,785

Almost the same

Newer

Jul, 2015

Apr, 2014

Release date over 1 years later

Slightly better cinebench r10 32Bit score

36,746

33,538

Around 10% better cinebench r10 32Bit score

Reasons to consider the
Intel Core i7 4790K

Report a correction

Much better performance per dollar

3.7 pt/$

1.08 pt/$

Around 3.5x better performance per dollar

Higher turbo clock speed

4.4 GHz

4.2 GHz

Around 5% higher turbo clock speed

Much better performance per watt

11.42 pt/W

3.45 pt/W

More than 3.2x better performance per watt

Better turbo clock speed

1,250 MHz

1,150 MHz

Around 10% better turbo clock speed

Higher Maximum operating temperature

74.04 °C

64 °C

More than 15% higher Maximum operating temperature

Better PassMark (Single core) score

2,530

2,349

Around 10% better PassMark (Single core) score

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 6700K

33.21 mHash/s

Core i7 4790K

16.1 mHash/s

CompuBench 1.5 (Face detection)

Core i7 6700K

26.56 mPixels/s

Core i7 4790K

14.1 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 6700K

1.81 fps

Core i7 4790K

1.79 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 6700K

17,583

Core i7 4790K

15,490

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 6700K

4,510

Core i7 4790K

4,004

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6700K

6,010 MB/s

Core i7 4790K

5,140,000 MB/s

PassMark Data courtesy Passmark

Core i7 6700K

11,109

Core i7 4790K

11,194

PassMark (Single Core)

Core i7 6700K

2,349

Core i7 4790K

2,530

summary	Core i7 6700K	4790K
Clock speed	4 GHz	4 GHz
Turbo clock speed	4.2 GHz	4.4 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	91W	88W
Annual home energy cost	21.92 $/year	21.2 $/year
Annual commercial energy cost	79.72 $/year	77.09 $/year
Performance per watt	3.45 pt/W	11.42 pt/W
Typical power consumption	73.94W	71.5W
bus
Architecture	FSB	DMI 2.0
Number of links	0	0
Transfer rate	8,000 MT/s	5,000 MT/s

details	Core i7 6700K	4790K
Architecture	x86-64	x86-64
Threads	8	8
L2 cache	1 MB	1 MB
L2 cache per core	0.25 MB/core	0.25 MB/core
L3 cache	8 MB	8 MB
L3 cache per core	2 MB/core	2 MB/core
Manufacture process	14 nm	22 nm
Max CPUs	1	1
Operating temperature	Unknown - 64°C	Unknown - 74.04°C
overclocking
Overclocked clock speed	4.64 GHz	4.64 GHz
Overclocked clock speed (Water)	4.76 GHz	4.79 GHz
Overclocked clock speed (Air)	4.64 GHz	4.64 GHz
integrated graphics
GPU	GPU	GPU
Label	Intel® HD Graphics 530	Intel® HD Graphics 4600
Number of displays supported	3	3
GPU clock speed	350 MHz	350 MHz
Turbo clock speed	1,150 MHz	1,250 MHz
memory controller
Memory controller	Built-in	Built-in
Memory type
DDR3L-1600
DDR3-1600
DDR3-1333
Channels	Dual Channel	Dual Channel
Supports ECC	No	No
Maximum bandwidth	25,600 MB/s	25,600 MB/s
Maximum memory size	65,536 MB	32,768 MB

Intel Core i7 6700K

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Intel Core i7 4790K

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Comments

Showing 25 comments.

Garnett D. (12:09 AM, August 6, 2017)

rx480 is a great choice

Gabor (06:09 PM, August 1, 2017)

4790k is more expensive (~$366) here and now (2017.08), than the 6700k (~$316) It's very interesting for me. By the way I have a 4790k :)

Rob Muckian (01:44 AM, July 18, 2017)

no sli tho, might as well buy a 980sc

Prad Bitt (07:22 AM, June 26, 2017)

Meh, GTX 1060 screws both up 😂😂

Rob Muckian (09:42 PM, June 25, 2017)

Yes, TN panels are only good if ur sitting in front of them, an IPS monitor u can view at all angles and can still see a clear picture

Rob Muckian (09:41 PM, June 25, 2017)

The R9 390 is better than a 970 hands down, even a R9 290 is better than a 970

WAQAR VINE (03:02 AM, June 15, 2017)

just updating i am so happy with my built its been 9 months

Chris R Schneider (09:09 AM, March 29, 2017)

for the money the rx 480 is great. works great with 4k and is 200 bucks. i have no issues. drivers are getting better. and getting 70fps at 4k on games like gta5 is not bad.

Chris R Schneider (09:08 AM, March 29, 2017)

2tbs ssds on amazon are 450 euros

Chris R Schneider (09:07 AM, March 29, 2017)

the newer ssd have memory that the myth of worn out reads and writes is pointless now. it would take years of constant writing. only thing about ssds is there not much warning when they are gonna die. but this was with the samsung 830s and older.

Chris R Schneider (09:05 AM, March 29, 2017)

this makes no sense at all. and this site REALLY needs to update their cpus. i have both chips. and the 4970k is more money than the 6700k still? they seem basically the same. but still ryzen is here. wtf

Oags (09:09 AM, January 27, 2017)

Complete Bull... My machine: Intel core i7 6700K (Stock Settings) Not Over Clocked. Reference Machine: Core i7 4790K As you can plainly see the 6700K beats the 4790K in single and multi thread proformance. https://uploads.disquscdn.com/images/d1d342fa6f51a1219c73e19ceffcd81f74c8db2fcb6285a8afe408fcbb6ca6d6.jpg

Dano (12:09 AM, January 7, 2017)

4790K will go prfct with that ddr3. Not sure but the 6700K is ddr4

Jay Lynch (03:26 AM, January 4, 2017)

If the 7700k is indeed @ $350 as its marked on Amazon I will get one

Jay Lynch (03:16 AM, January 4, 2017)

Just watched Jaystwocents I7 7700k first build of the year. 5 GHZ OC @ 1.32 V. Yeah Im gonna have to check that out.

Manos Liakos (12:36 AM, January 4, 2017)

Lol, re-read my post. What you wrote is completely irrelevant to what I posted. I didn't take a side between 6700k and 4790k, I only mentioned that some details on the 6700k are wrong on the cpuboss site. They say that 6700k has a FSB, while it has a DMI 3 bus. But, just because you mentioned it, I'm sorry you had to "suppose" I "spent more than 300$", just to find out right now, that I grabbed the 6700k at 250€ from eBay, while in my country both 6700k and 4790k cost 400€ :)

Anthony Shinn (06:43 PM, January 3, 2017)

Well, I am sorry you had to spend over $300.00 for you new i7-6700K alone (plus more $$$ for a new Mobo and RAM), only to find out it does not even perform better than the "old, outdated" almighty i7-4790K!

Anthony Shinn (06:38 PM, January 3, 2017)

Amen! Plus, the i7-4790K has the additional advantage of being able to run the best Windows version ever: Windows 7!

Anthony Shinn (06:37 PM, January 3, 2017)

The new generation (seventh generation) of i7s is coming soon! I think you better wait!

Anthony Shinn (06:35 PM, January 3, 2017)

As a user of the best Windows version to date: Windows 7, I am appalled by Intel's decision (in cohorts with Microsoft) to do everything they can in order to prevent these new systems from supporting Windows 7! This in order to push us/aka force us, the loyal paying customers, into using their new, bloated, and hideously intrusive report-to-MicroSoft-everything-you-are-doing Windows 10! I'll stick to my i7-4790K system, thank you very much. And to those praising the "Oh, wonderful" i7-6700k (after spending over $300.00 for the CPU alone, I don't blame you), but once the next batch of i7s come out they will be crapping all over the "old, outdated" i7-6700K! (Intel must love you)

Jay Lynch (10:47 PM, December 28, 2016)

I am still backing my 6700k and I am getting another one to upgrade my I5

Guest (08:24 AM, November 17, 2016)

For PC builds this guy knows his stuff, and you can submit your builds to him. TechSource. FYI https://www.youtube.com/channel/UChIZGfcnjHI0DG4nweWEduw

Guest (08:22 AM, November 17, 2016)

I agree I have the 4790K and it's great for my build with a GTX 980, I will be getting a BenQ 1440 this week! Black Friday deals now!!!

SultanS (08:53 AM, November 15, 2016)

I am very happy right now because I have one 4790K :D

Dr. MKhalil (09:10 PM, October 22, 2016)

Yes....

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Intel Core i7 6700K vs 4790K