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Differences What are the advantages of each

Front view of Intel Core i7 6700K

Reasons to consider the
Intel Core i7 6700K

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Higher clock speed 4 GHz vs 3.5 GHz Around 15% higher clock speed
Much lower typical power consumption 73.94W vs 114.97W More than 35% lower typical power consumption
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher turbo clock speed 4.2 GHz vs 3.9 GHz Around 10% higher turbo clock speed
Better CompuBench 1.5 video composition score 13.68 fps vs 7.5 fps More than 80% better CompuBench 1.5 video composition score
Newer Jul, 2015 vs Apr, 2012 Release date over 3 years later
Much lower annual home energy cost 21.92 $/year vs 42.19 $/year Around 50% lower annual home energy cost
Better PassMark (Single core) score 2,349 vs 2,084 Around 15% better PassMark (Single core) score
Better PassMark score 11,109 vs 9,544 More than 15% better PassMark score
Significantly lower annual commercial energy cost 79.72 $/year vs 112.39 $/year Around 30% lower annual commercial energy cost
Front view of Intel Core i7 3770K

Reasons to consider the
Intel Core i7 3770K

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Much better performance per dollar 2.21 pt/$ vs 0.91 pt/$ Around 2.5x better performance per dollar
Much higher GPU clock speed 650 MHz vs 350 MHz More than 85% higher GPU clock speed
Better performance per watt 4.55 pt/W vs 3.49 pt/W More than 30% better performance per watt
Slightly higher Maximum operating temperature 67.4 °C vs 64 °C More than 5% higher Maximum operating temperature

Benchmarks Real world tests of Core i7 6700K vs 3770K

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 6700K
35.02 mHash/s
Core i7 3770K
10.47 mHash/s

CompuBench 1.5 (Face detection)

Core i7 6700K
26.72 mPixels/s
Core i7 3770K
8.61 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 6700K
1.82 fps
Core i7 3770K
1.67 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 6700K
6,010 MB/s
Core i7 3770K
2,620,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs


Core i7 6700K  vs
Clock speed 4 GHz 3.5 GHz
Turbo clock speed 4.2 GHz 3.9 GHz
Cores Quad core Quad core
Is unlocked Yes Yes


Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 91W 77W
Annual home energy cost 21.92 $/year 42.19 $/year
Annual commercial energy cost 79.72 $/year 112.39 $/year
Performance per watt 3.49 pt/W 4.55 pt/W
Typical power consumption 73.94W 114.97W


Architecture FSB DMI
Number of links 0 1
Transfer rate 8,000 MT/s 5,000 MT/s


Core i7 6700K  vs
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 - 67.4°C


Overclocked clock speed 4.61 GHz 4.69 GHz
Overclocked clock speed (Water) 4.77 GHz 4.8 GHz
Overclocked clock speed (Air) 4.61 GHz 4.69 GHz

integrated graphics

Label Intel® HD Graphics 530 Intel® HD Graphics 4000
Number of displays supported 3 3
GPU clock speed 350 MHz 650 MHz
Turbo clock speed 1,150 MHz 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
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 3770K
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Showing 18 comments.
Quédate con tu i7 3770k, hoy en día … estando en el 2021 sigue rindiendo sin quejas. puedes ponerles Gpu's potentes y las exprime. recuerda mantener fresco el micro Procesador.
the short answer to you question would be YES
"CPUBoss recommends the Intel Core i7 6700K based on its performance and single-core performance." and CPUBoss shows: All core performance: Core i7 6700K: 5.8 Core i7 3770K: 7.2 Single core performance: Core i7 6700K: 8.0 Core i7 3770K: 8.4 Can someone pls explain me why lower performance cpu is recommended?
awesome man, my specs are: i5 3330 MB p8h61 r7 260x 2x HDD WD 500gb only good thing in my setup is the PSU Corsair CS450M 80 plus GOLD. hahahaha ;(
i'm not buy SLI i will be saving my money to setup triple monitors hehehe this setup was complete 2 weeks ago Spec : Intel Core i7 3770K Mobo Z77A-G45 MSI iGame Nvidia GTX 1080 Ram Corsair Vengeance 2x8gb dual channel DDR3 2400mhz SSD Adata P550 240GB HDD Segate 500GB Case Corsair Carbide 400C mid-tower Liquid Cooler Swiftech H220 X2 RGB Fan case Coresair AF140 led white Deepcool RGB Light 350 PSU Corsair RM850X Full Modular 80+ Gold
So u dont need 2x gtx 1080 send one of this to me :D
thx bro for your answer :)
my 980 plays triple screen at 60fps on med gfx setting about to upgrade to a 1080 you wont need sli. 1080 sli would be for triple 4k screens
I want to use three monitors at 1080p bro
Why on earth do you need to SLI 1080s? Are you trying to game at 120fps in 4K??
what about 1080 SLI? its no need to upgrade? i have 3770k and i want upgrade to 1080 SLI
true check here
same here , i still have 3770k
Came here to make comparison with my 3770k. Clearly, not much different. Plan to upgrade my rig or buy new one with the new upcoming GTX 1080/1070. But, I changed my mind. GTX 1080/1070 will fit with my 3770k without problem. No need for CPU upgrade.
I also have 3770K for more than 3 years now, I wanted to see what has changed since 2012 and it seems there is no competation in desktop CPU products. Intel makes max %10 improvement for i7 processors in every new serie and most of it because of the rised clock speed. If you are a PC games, it does not even get you more than 1-2 fps. Considering you are using "K" series processor, you can just gain that overclock with no efford. I think I will wait till they produce something which makes difference... Win10 64 bit i7 3770k@ 4,8Ghz Asus Z77 VLX Corsair Vengeance Pro 2*8GB 2400Mhz Samsung 850Evo AMD R9 290 Tri-X Corsair CX750 Vestel 40" FA5050
I have used the 3770k i7 since 2012 when I built my PC. I came to compare the new 6700k to see if it was a good time to upgrade my gaming rig. Clearly the 6700K is not that much more better of a CPU to make me go out and build a new rig. Yes it is faster but only slightly, and for being three years newer, it is clear since Intel has ZERO competition improvements in CPU speeds and performance are almost at a crawl. Also I paid $300 even for my 3770k back in 2012. Here is my rig and honestly it still holds up to most games well. Windows 10 Pro Intel i7-3770k 3.5Ghz. ASUS p8z77-V pro motherboard Corsair Vengeance RAM 12GB @1600mhz Samsung 1TB solid state hard drive eVga 980 GTX 4gb Graphics card (just upgraded to that in December. Got it for $250 over a one day Christmas sale. previously had a 660 GTX). Antec 600w power supply Dell Ultrasharp 24 inch 1920X1200 monitor. Everything that I play was still holding up really well but was showing signs of slowing down. I upgraded to the solid state drive and the 980 GTX graphics card in December, and the rig is right back as 1920X1200 60+100 fps again. Game on my brothers!
i can find a 6700K as low as $321 as i type this. turns out, the 6700K had a shortage which caused anywhere from a $50-60+ price hike. they are suppose to be $349 as listed by Intel. therefore, i wouldnte recommend getting this processor until it returns to normal or less pricing.
So, the 3770k is $450, yet, the 6700k, which is more powerful and also newer, is only $400 ($50 less)??? That means that either Intel needs l=to lower the price on the 3770k, or I definitely won't be the one to buy it.
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