Intel Core i7 6700K 4.00 GHz Unlocked Quad Core Skylake Desktop Processor, Socket LGA 1151 [BX80662I76700K]
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Availability:
In Stock.
Arrives
Jul 20 – Jul 22
Features
- Go to the next level of multi-core performance
- Intel smart cache. 6th Generation Intel Core i7 Processors
- Intel Quick Path interconnect
- Integrated memory controller
- Intel HD boost
Description
With faster, intelligent, multi-core technology that applies processing power where it's needed most, Intel Core i7 processors deliver an incredible breakthrough in PC performance. You'll multitask applications faster and unleash incredible digital media creation. And you'll experience maximum performance for everything you do. Max Turbo Frequency: 4.20 GHz. Memory Types: DDR4-1866/2133, DDR3L-1333/1600 at 1.35V. Graphics Base Frequency: 350 MHz, Graphics Max Dynamic Frequency: 1.15 GHz
Brand: Intel
CPU Manufacturer: Intel
CPU Model: Core i7
CPU Speed: 4 GHz
CPU Socket: LGA 1151
Processor Series: Core i7
Processor Speed: 4 GHz
Processor Socket: LGA 1151
Secondary Cache: 8 MB
Wattage: 91 watts
Cache Memory Installed Size: 8
Processor Count: 4
Processor Number of Concurrent Threads: 8
Processor Core Count: 4
Platform: Windows
Item Dimensions L x W: 5.5"L x 4.8"W
Brand: Intel
Processor Brand: Intel
Model Number: 4512
UPC: 725407180444 735858301619
Manufacturer: Intel
Mfr Part Number: BX80662I76700K
Warranty Description: Limited warranty; 3 years warranty
Global Trade Identification Number: 19
Built-In Media: Processor
Item Weight: 4.54 g
Unit Count: 1.0 Count
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If you place your order now, the estimated arrival date for this product is:
Jul 20 – Jul 22
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View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: Processor Only
For the price you cannot go wrong with this. The only issue that I found was that the number of PCIe lanes described in the documentation for this CPU was not enough for what I wanted. The specs say it has 16 lanes, but my video card alone needs 16 lanes. Plus I have an M.2 hard drive that needs 4. I almost didn't buy it, and went with a different CPU and motherboard. But, I did some more research and found that these are just the lanes in the CPU, and the bridge chip has its own lanes. These lanes are really intended for the graphics card only. So, if you look how the motherboard is setup, these 16 lanes go to the first x16 slot intended for a video card. That is how mine is. Then the skylake chipset that is paired with this CPU has 20 more lanes. That is enough for another x16 card, and a x4 M.2 hard drive or whatever. So, you actually end up with 36 lanes of PCIe between the two. Once I saw that, there was no question this is for me. It is a 14nm process, which is one of the newer processes, and it runs at 4Ghz, The CPU is unlocked, so you can overclock if you want. I put on a water cooler and just did some brief checks with OC, and I ran at 4.5Ghz without issue. However, I really don't need it and I don't want to risk burning it out fast, so I put it back to 4Ghz for now. But, I know I can run much faster in the future if I want to. As for specs and performance, this is a middle of the road 4 core, 8 thread CPU. It has the memory controller built in, supporting DDR4 memory, which is what I use, and the performance is just staggering. >34GB/s of memory throughput, that's wild. The CPU has 8MB of smartcache that is shared amongst the cores. This is much better than normal cache, it allows a program in cache to be shared with another core, when the thread jumps to a new core, without copying the data to another location in cache. The performance increase of this small feature is quite large. The CPU has a decent video card built in, but I don't use it. I opted for the Nvidia GTX1080. Combining this CPU with that graphics card, M.2 drive, and DDR4 memory makes this a powerhouse that can stand its own against basically anything. However, the built in graphics do support 4K resolutions, so if you are not playing cutting edge games, or VR, the graphics card built in is probably all you would ever need. Without going into the technical specifics of this CPU, it basically has all the features that you would expect from any i7 CPU. The price, for what you get, is really unbeatable. You can get an i7 with more cores, or cache, but you will pay a large amount more. For 99.99% of people out there this is more than you will need. There is nothing you will get from the CPUs that are 2X+ the price that you will even notice. Just make sure you pair this with a good chipset, like the Z170, and never look back, you will run so fast you won't believe it. My PC runs windows 10. From the time the BIOS screen disappears to when it needs my password is about 3.5 seconds. From hitting enter after my password until the machine is fully booted, and I have full control, no hourglass, etc, is about 2-2.5 seconds. So, I boot in under 6 seconds, basically. That is a full cold boot, not a resume from sleep. Pros: 4Ghz, unlocked and ready for overclocking (use a water cooler if you overclock this bad-boy). 4K graphics built in. 16 lanes of PCIe on board for fast access to the video card. 20 more lanes of PCIe on the chipset, so you can have another 16x video card, and a M.2 x4 drive, or whatever else you might want. New generation cache speeds up thread jumping from core to core. DDR4 memory controller with >34GB/s throughput. The biggest PRO is the price, for what you get. Cons: Would have been nice to have 12MB or more of cache, but the cost would have been significantly more. For the price, there is really no downside to this CPU.
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Reviewed in the United States on March 9, 2017 by Adam White
Style: Processor Only
I had an Ivy i-3570k that served me well since February of '13. Had it @ a comfortable 4.2Ghz. Could I have held off 2+ years? Sure. But I thought to enhance the durability for my CPU for an additional 4-5 more years and do a complete build with the works (motherboard, RAM, PSU, SSD's). I completed the build about 3 weeks ago, and I gotta say, OCing this chip manually, I settled on a 4.5 Ghz @ a cool 1.25V with headroom given the new 1000W platinum certified PSU I have with a delicious 12V rail. I messed around and got to a "17%" overclock according to ASUS' BIOS by getting the chip up to 4.7GHZ @ 1.42V. via OCCT, but crashed about 5 minutes in. Some room for improvement, but with a premium cooler (I prefer liquid) and a top shelf thermal paste, temps are a chilly 26°C on idle, 45°C on gaming load, and 60°-65°C on stressing levels (4.5Ghz, mind you). The only con I have of this chip is that it doesn't cook me breakfast! *gigglesnort* Seriously though, if you have the means and the desire, get this CPU and you will not regret it. At the end of the day, to each their own. I upgraded to 'Skylake' out of sheer desire, not out of necessity. You WILL love this chip if you are coming off of anything older than my previous chip (Ivy) such as a Sandy, Pentium, or AMD equivalent processor. I'm delightfully satisfied with this CPU in terms of performance improvements, the hyperthreading (coming from an i5) for multiple app tasks, its overclocking potential, and its temperatures. I recommend it to you without a doubt, as long as your budget can handle the additional required hardware you may need mentioned in paragraph one. My 'Skylake' build specs and some pictures: *CPU - Intel i7-6700K (4.5 for now; not in a hurry to increase it) *CPU Cooler - Corsair H110i GTX AiO Liquid cooler (My H100i broke, I upgraded to the H110i) *Motherboard - ASUS Maximus Hero VIII *RAM - Corsair Vengeance LPX DDR4 16GB (3000 Mhz) *GPU - ASUS STRIX 980TI 6 GB (OC edition) *Chassis - Corsair 760T Graphite Series (White Edition) *Storage - SAMSUNG 850 Pro 256 GB SSD (Boot drive), SAMSUNG 850 EVO 1 TB SSD, Intel 750 Series NVME SSD 400 GB *PSU - Corsair HX1000i (80+ Platinum Certified) (A bit overkill for non-SLI, but I got a good price for it.) *Fans - Corsair AF120's (x2) and AF140's (x4), White Edition LED *OS - Windows 10 Home, 64 Bit
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Reviewed in the United States on October 23, 2015 Reviewed in the United States on October 23, 2015 by Justin
Style: Processor Only
Perfect fit for my first PC build about ten years ago, and still running strong. Runs everything I've needed it to and now ill be shifting it to a server/HTPC setup. Plenty of cores for gaming and the performance all around is still pretty darn good!
Reviewed in the United States on March 26, 2026 by T
Style: Processor Only
Thanks to my over-obsessive compulsion to check every. single. site's availability of the 6700K every. single. moment I could, I was actually able to snag this guy from Amazon during their brief pre-order window. I installed it almost as soon as I got it. To prelude, my home doesn't have traditional AC, but a bunch of ceiling fans to circulate air. A-Frame houses are difficult to temperature control, so the summers get pretty hot. CPU temperatures mean a lot to me. For reference, my ambient temps are between 75-80F, since it's summer. I upgraded from a slightly-overclocked Nehalem i7 950. The least I can say is, my computer no longer heats up my room. My 950 saw temps between 30-50c on idle, and this is on Noctua's beastly NH-D15. Whether or not there was something wrong with my CPU/Cooler is up for debate, but I've tried multiple cooling solutions, the best being the NH-D15. With the 6700K, my temps shot down to 18-25c on idle. My mouth dropped when I saw those temps. I am interested how the temps fare during the winter. My hardest-working, CPU-strangling program at the moment is Guild Wars 2. It's funny when you can actually FEEL the difference between the processors. I am getting FPS in situations where there were no FPS before, and plenty of them. Performance doubled everywhere for me. My old CPU ran hot while GW2 was running, and I saw temps between 48-68c, which totally raised the temperature in my room--by a lot. Now, I see 35-50c, and for the first time, my computer doesn't feel like it's suffering. I know it seems like I am writing a review for the NH-D15, but I wanted to point out the overall difference I noticed upgrading from a 6-year old processor. This baby is WAY faster, while pumping out FAR less heat than my old processor. I feel like I've upgraded from a wooden-spokes wheel to a sport's tire. I still have loads of testing I want to do, but my initial impression is "WOW".
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Reviewed in the United States on September 6, 2015 by Phat Head
Style: Processor Only
I’ve been using this CPU for years now and it’s been extremely reliable. It handled gaming, everyday tasks, and even some heavier workloads without any issues. For its age, the performance still holds up surprisingly well. It does run a bit warm if you push it, so a decent cooler is a must, especially if you plan on overclocking. But once paired with good cooling, it’s great!
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Reviewed in the United States on December 15, 2025 by Erin
Style: Processor Only
I love this CPU....its fast and decent. I have never owned an unlocked processor before. But I like it just the way it is - coming from a Core 2 Duo E7500 with 8 GB RAM and the ASUS HD 7970 Direct CU II DX 11.2 until October 2015. I did play all the fps games up until Watch Dogs couldn't run or did run but with a few BSODs and then I waited for a while looking for the right deal and the best hardware. After reading several hundreds of reviews and techno babble, I settled for the latest hardware after reading a review from PC Gamer - "i7-6700K turned in gaming benchmark frame rates only a few frames faster (and sometimes slower) than the older CPU i7-4790K Devils Canyon. It’s not a huge flashy upgrade, but it brings with it a new socket and a new chipset, Z170 and the next Gen RAM - DDR4". My Specs today, 20 November 2015 Z170 ASUS Pro Gaming Intel i7-6700 K Windows 7 Pro x64 Crucial 32GB Kit (8GBx4) DDR4-2133 (No need for XMP profile) ASUS HD7970-DC2-3GD5 Samsung 850 EVO 250GB (For OS only) WD 500 GB SATA (For Gaming) HLDS GH70N SATA DVD Drive ( from a spare parts only - Dell Optiplex 990) This component is a life saver. Corsair RM850 for good power Noctua NH-D14 Everything above is Amazonian Hardware (except for the DVD Drive & the CPU Cooler)..A Big Thanks to Amazon !!! for the recommendations, delivery and Peace of Mind !!! No RMAs. I hope not !!! All the above components and configuration works perfect !!! I can play all my existing games at the highest frame rates...! My Fiber Glass Rig with 8 LED Fans and most importantly, the ASUS Breathing LED, is a superb addition to my home and keeps the i7-6700k cool.
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Reviewed in the United States on November 20, 2015 by Sudip Menon
Style: Processor Only
I build computers for a living. Having said that, newer doesn't always mean better. I keep 3 computers, all 3 very high end builds and sell the rest. There's a lot of interest in the 1151 chips. Super. I have one of these to go with my i7-4790k and my i7-5930k. There is SO little real world difference that one can only go by specs. If I wanted (and had 2 more workshops), I'd build a Xeon machine for each real world use...not gonna happen. This 6700K runs the coolest consistently of all 3 (same cooler, same voltages, exact same full tower cases and all on $300+ Asus comparable boards. As hard as I can push them, I run about 4 deg Celsius cooler with this one. The only one I STILL give 5 stars to is the 4790K. Each does something a little different, but only God can tell what by using them all (although the 5930K eats video editing UP, it also costs $500+). Day to day, hard core gaming, heavy MS Office or just watching videos I'd be more than satisfied with all 3, this one very much included.
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Reviewed in the United States on May 29, 2016 by Kevin C
Style: Processor Only
Works great paired with a GTX 1660, still use it till this day.
Reviewed in the United States on December 3, 2025 by Papa Catto