Amazon.com: Customer reviews: Intel Boxed Core i7-6900K Processor (20MB Cache, up to 3.70 GHz) FC-LGA 2011-v3,BX80671I76900K

Top positive review

... into an ASUS x99 Deluxe II and have run pretty much every modern OS on it

Reviewed in the United States on October 19, 2016

I put this into an ASUS x99 Deluxe II and have run pretty much every modern OS on it, with very good success. My primary usage is for building software (Android apps.) While many think a $1,000+ processor is a bit extreme (I was previously in that boat) I can assure you for the right use cases it makes a world of difference. To justify it, I built the same app on the latest 15" Retina MacbookPro, 2015 Razer Blade, a Skylake desktop, and plenty of lesser hardware. The best machine (Skylake desktop) was 2.5x slower than this processor. I normalized memory and disks to really isolate the processor and was just floored by this outcome. It might not sound like a lot but saving 30 minutes of literally sitting and waiting turns into billable work hours. In just a month thats 1-2 additional working days, paying off the entire investment.

I suspect other compiled software environments would respond accordingly and from my very basic video, audio, and photo usage I find it excels in pretty much every area. Gaming is about the same as the Skylake desktop using the exact same video cards in SLI, but I don't go too crazy with demanding games/settings.

24 people found this helpful

Top critical review

Critical reviews›

but for what it is it works great, just not for the price

Reviewed in the United States on December 12, 2017

I wish I had waited for Ryzen and saves myself a chunk of change, but for what it is it works great, just not for the price.

2 people found this helpful

78 total ratings, 49 with reviews

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From the United States

Carl

... into an ASUS x99 Deluxe II and have run pretty much every modern OS on it

Reviewed in the United States on October 19, 2016

Style: ProcessorVerified Purchase

24 people found this helpful

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Crash and Burn

Great CPU, with a few caveats.

Reviewed in the United States on September 29, 2017

Style: ProcessorVerified Purchase

I got this to replace a 6 core Broadwell CPU. They are pin compatible, but I forgot to upgrade my BIOS before I had the CPU installed. Luckily, EVGA furnished a BIOS chip for free, and replacing the original BIOS was simple. For some, unknown reason, probably user induced, the OS couldn't find the boot device after I installed the BIOS so I had to reinstall Windows, etc. I have a gadget that displays the cores and virtual cores, so its pretty neat to see 16 cores. I haven't done any testing to push it to its limits, but for my applications, it idles along at 2 or 3% and kills my 4 core laptop in doing the same things.

I was anxious to see how it performed on the Windows User Experience index. My Broadwell came in at 7.8; I was expecting to thoroughly peg 7.9. Unfortunately, the best I can tell, the CPU has more cache on it than the User Experience Index software can handle. Every time I ran the test, I got a Memory Tuning error, and the process would quit. Broadwell CPUs had the same problem, which was caused by "too much" cache, and Service Pack 1 fixed the problem. I have SP 1 in, and the problem persists.

Its been a while since I had my Broadwell CPU installed, and used a 4 core laptop in between, and all opinions are strictly subjective, but this CPU in the same chassis, with everything but the cooler, and the socket the video card is in, are the same, and the Haswell seems noticeably faster than the Broadwell.

I got this on a significant discount; a 10 core Haswell would have been close to twice the price of what I paid for this 8 core beast. I'm expecting great things with it when I get my FSX:Steam reinstalled.

I have an EVGA X99 Classified MB. It comes with several utilities, including E-Leet, which is a Windows based over-clocking utility. Actually, it's better than using the BIOS. I even saw the multiplier optimization work. The hotter cores get a lower default multiplier, but E-Leet allows you to modify them. Their original settings showed some at 40x, and others slowly declining in value, so that all the cores ran at about the same temperatures. I adjusted them so they were all at 40x, and the less efficient cores run slightly hotter. (I'm using a gadget to monitor CPU core temps.)

6 people found this helpful

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N. Altimari

Very fast. Lots of PCI-E lanes, but way ...

Reviewed in the United States on June 25, 2017

Style: ProcessorVerified Purchase

Very fast. Lots of PCI-E lanes, but way way too expensive. The only reason I didn't get Ryzen, is because it's new, and I needed stability... however, my 2nd editing PC is going to definitely be Ryzen.

Helpful

Dyreck W. ONEAL

I had i7-6800k processor and upgraded to the i7-6900k and ...

Reviewed in the United States on June 2, 2017

Style: ProcessorVerified Purchase

I had i7-6800k processor and upgraded to the i7-6900k and what difference working with Adobe Premier. The multitasking in multiplies applications and gaming is unbelievable, I got from Amazon within a week and pop in with no issues.

Even though I got from for less that thousands of dollars the final cost was just little over thousand dollars. Bit pricy but well worth purchase. Don't think I'll step to the i9 processor anything soon this processor can handle everything that I through at it.

My Rig configuration:

Asus ROG PG348Q Black 34" 3440 x 1440, 100 Hz Curved IPS G-Sync 21:9 WQHD Gaming Monitor

32 GB G. SKILL TridentZ Series 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 3466 (PC4 27700) Intel Z170 Platform Desktop Memory Model F4-3466C16D-16GTZSW

1 x EVGA Supernova 1000 G2 120-G2-1000-XR 80+ GOLD 1000W Fully Modular

GIGABYTE GA-X99-Ultra Gaming (rev. 1.0) LGA 2011-v3 Intel X99 SATA 6Gb/s USB 3.1 USB 3.0 ATX Intel Motherboard

ASUS Black 16X BD-R 2X BD-RE 16X DVD+R 5X DVD-RAM 12X BD-ROM SATA Blu-Ray Burner BW-16D1HT

EVGA GeForce GTX 1080 FTW GAMING ACX 3.0, 08G-P4-6286-KR, 8GB GDDR5X, RGB LED, 10CM FAN, 10 Power Phases, Double BIOS, DX12 OSD Support (PXOC)

1 x CORSAIR Hydro Series CW-9060013-WW H90 140mm High Performance Liquid CPU Cooler

G. SKILL RIPJAWS KM780 MX Mechanical Gaming Keyboard - Cherry MX Blue with Gaming Keycaps

Cooler Master HAF 932 Advanced - High Air Flow Full Tower Computer Case with USB 3.0 and All-Black Interior

SAMSUNG 850 EVO 2.5" 500GB SATA III 3-D Vertical Internal Solid State Drive (SSD) MZ-75E500B/AM

WD Black 5TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 128MB Cache 3.5 Inch - WD5001FZWX

Logitech G35 7.1-Channel Surround Sound Gaming Headset

Windows 10 Pro 64bit

Looking to purchase next month: SAMSUNG 960 PRO M.2 1TB NVMe PCI-Express 3.0 x4 Internal Solid State Drive (SSD) MZ-V6P1T0BW

20 people found this helpful

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but for what it is it works great, just not for the price

Reviewed in the United States on December 12, 2017

Style: ProcessorVerified Purchase

I wish I had waited for Ryzen and saves myself a chunk of change, but for what it is it works great, just not for the price.

2 people found this helpful

Helpful

Ryan

Great Processor for Video Processing

Reviewed in the United States on August 28, 2016

Style: ProcessorVerified Purchase

This processor has been lightning fast for my video processing needs, in addition to providing a solid platform for my gaming habits. I would only recommend this processor to anyone who needs the 8 cores though. Having this processor solely for gaming, or light workstation use, would be a true waste. If this is you, save your money, get a 6700k, and use that money to upgrade a system elsewhere.

39 people found this helpful

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Mr.Clark

Great

Reviewed in the United States on May 27, 2023

Style: ProcessorVerified Purchase

Would buy another if needed.

One person found this helpful

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Garyf

Good value!

Reviewed in the United States on July 8, 2022

Style: ProcessorVerified Purchase

Great replacemeant for fried 6800k. Learned a lesson with water coolers, they work great right up to when they dont.! Cost me the total $ of a new cooler and processor to learn my lesson.

Helpful

techyoda

Good CPU for a narrow class of users

Reviewed in the United States on July 21, 2017

Style: ProcessorVerified Purchase

I purchased from another vendor but felt I should submit a review to my fellow amazonians in case it helps

This is still a good choice in cpu if you already have an X99 motherboard and really want 8 cores and 16 threads, Skylake X is still very new and had I gone that route, I would have needed to add the cost of the X299 motherboard and my time and effort to reload windows and applications. Had I gone the AMD ryzen route I would have needed to purchase motherboard, cpu, possibly ram, and also reloaded os and applications. So weighing all that, 6900k made more sense for me.

For me this was an upgrade from a 5820k. I was able to use same motherboard (asus x99 a II) and ram and just drop in cpu with no OS re install. I was easily able to overclock to 4.4 ghz. Im going to stay with this cpu motherboard combo for the foreseeable future since it is overkill for what I do now. Its great at gaming and running my vms now and will do fine if I ever get heavily into video rendering or streaming

I would have gone with ryzen had I already not been on X99

3 people found this helpful

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Jerry

Eight-Core beast, that most of been stolen from aliens.

Reviewed in the United States on June 16, 2016

Style: ProcessorVerified Purchase

OK I'm not going into the specs if your looking to buy this you already know them. Now this CPU is down right amazing. Is it overkill for most people? Yes. But I'd say that is not INTELS fault that they are far ahead in their advances by bringing this CPU sold as a consumer product. Is it worth getting YES. I love it. Knowing that my CPU is gonna handle anything I throw at it is just a comfort I like to have. I use this mostly for gaming in all honesty and now waiting for GPU tech to play catch up to the CPU power of today. So all in all if your looking for one of the best CPUS out this little baby is for you.

23 people found this helpful

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