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Intel Core i9-7940X X-Series Processor 14 Cores up to 4.3 GHz Turbo Unlocked LGA2066 X299 Series 165W

4.3 out of 5 stars 20 ratings

Price: $660.00

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Brand Intel
CPU Manufacturer Intel
CPU Model Core i7
CPU Speed 3.1 GHz
CPU Socket LGA 2066

About this item

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  • 14 Cores / 28 Threads
  • 3.10 GHz up to 4.30 GHz / 19.25 MB Cache
  • Quad DDR4-2666 Memory Channels
  • Compatible only with Motherboards based on Intel X299 Series Chipsets
  • Intel Optane Memory Supported

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  • Intel Core i9-7940X X-Series Processor 14 Cores up to 4.3 GHz Turbo Unlocked LGA2066 X299 Series 165W
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    Intel Core i9-10900K Ten Core Desktop Processor Up to 5.3 GHz Comet Lake - OEM Tray Version
    Customer Rating 4.3 out of 5 stars (20) 4.6 out of 5 stars (144) 4.4 out of 5 stars (73) 4.5 out of 5 stars (102) 4.8 out of 5 stars (617) 4.7 out of 5 stars (138)
    Price $660.00 $589.99 $829.99 $668.99 $499.99 $499.99
    Sold By OEM XS INC. Amazon.com DoughSaver4U(Serial number recorded) Amazon.com Amazon.com Computer Upgrade King
    CPU Model Core i7 Core i9 Core i9 Ryzen Threadripper 2970WX Core i9 Core i9
    CPU Model Manufacturer Intel Intel Intel AMD Intel Intel
    CPU Socket LGA 2066 LGA 2066 LGA 2066 Socket TR4
    CPU Speed 3.1 GHz 3.7 GHz 3.3 GHz 4.2 GHz 3.7 GHz 3.7 GHz
    Device Type Processors Processors Processors
    Item Dimensions 4.57 x 1.73 x 3.98 inches 1.3 x 4.09 x 4.61 inches 4 x 2 x 4.6 inches 3.1 x 2.2 x 0.3 inches 3.54 x 5.24 x 6.1 inches 1.48 x 1.48 x 0.17 inches
    Item Weight 3.52 ounces 3.53 ounces 3.53 ounces 4.80 ounces 0.95 lbs
    Model Year 2017 2018 2018
    Processor Count 1 10 14 24 10 10
    Wattage 165 165 watts 165 250 125 watts 125.0 watts

    Product description

    Prepare to be amazed with the 8th Generation Intel Core Desktop Processor family. The 8th Generation Intel Core i3-8100 comes with 4 processing Cores and 4 Threads. That's 2 additional Cores versus the previous generation for more processing power. This entry level Intel Core processor redefines mainstream desktop PC performance. Immerse yourself in your favorite media content while the Intel UHD Graphics 630 provides you with a much richer visual experience. Be sure to pair your 8th Gen desktop processor with a motherboard based on the Intel 300 series chipset. Experience new system acceleration when paired with Intel Optane Memory and a 2.5" HDD. Supports two-channel DDR4 memory technology, which allows your system to have up to 64 GB of memory and up to 2400 MT/s memory transfer speeds.

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    Warranty & Support

    Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
    Product Warranty: For warranty information about this product, please click here

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    Customer reviews

    4.3 out of 5 stars
    4.3 out of 5
    20 global ratings
    5 star
    77%
    4 star
    8%
    3 star 0% (0%) 0%
    2 star 0% (0%) 0%
    1 star
    15%
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    Top reviews from the United States

    Reviewed in the United States on January 8, 2018
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    5.0 out of 5 stars Developer's dream; gamers don't need 14 cores.
    By Erick on January 8, 2018
    Since I'm probably the only confirmed buyer of the 14-core 7940x CPU as of the start of 2018, I figured I'd add a short review. First off - is it overkill? Yes, unless you are, say, a content creator or AI developer. Even if you are a game streamer/video creator, a 7900x with 10 cores would give you more than enough parallel processing power. But if you want to go beyond the 10 cores for machine learning or video production, I do believe the 7940x represents the sweet spot in terms of price and performance. It has a base (non-turbo) frequency of 3.1 GHz , whereas the 7960x, 7980x, and 7920x can only run below 3Ghz when all cores are active. The maximum "Intel turbo boost 3.0" frequency is only slightly lower than the 7900x ( 4.4Ghz vs 4.5Ghz) which should be easily fixable with a very small overclock. And it currently looks like this is the one Skylake-X family member that easily equals or beats the flagship 1950x Threadripper (16 threads) in most multicore performance benchmarks. Temperatures on a realistic full stress application ( BOINC World Community Grid) average around the mid-70-ies Celcius with an ambient room temperature of 23C/74F. I'm running this on an Asus Prime X299-Deluxe and cooling it with a Corsair Hydro Series H100i . (I have also delidded it to replace the thermal paste with Coollaboratory Liquid Ultra.) If I wanted to only game with it I would have happily kept using my 2+ year old 6700k and maybe tried a mild overclock.
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    169 people found this helpful
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    Reviewed in the United States on September 11, 2018
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    1.0 out of 5 stars SENT THE WRONG PROCESSOR
    By Anon User on September 11, 2018
    Spent over $1000 to get an I9... I was happy to see when it got here quickly. The box said I9 and everything looked good. Started building the PC and didn't make it very far... I went to pop in the cpu and it was not lining up correctly. I thought I was doing something wrong. After AN HOUR of trying to figure it out I realized the CPU said XEON E5-2603. I did a quick google search to find out that I got sent a cheap $300 processor. This has put my build on hold costing me money since I need it for work. Ridiculous.
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    24 people found this helpful
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    Reviewed in the United States on April 7, 2019
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    5.0 out of 5 stars I-9 7940X WOW!
    By David on April 7, 2019
    So after finally deciding on upgrading my Xeon system which has done me nothing but justice for over 6 years I finally decided on going back to Intel after considering going over to AMD. With all the fuss on the New Threadripper I just could not go away from Intel processor and decided to go with the new 7940X processor, after carefully researching all the blogs and reviews this seemed to be the most well rounded choice that many others have settled on so I pulled the trigger and ordered everything for my new build and not holding back on anything I upgraded the video cards to the then new, GTX 1080Ti FTW3's. I went with the water cooling pump from CORSAIR HYDRO Series H150i PRO RGB and 2-2TB M.2 drives and 128 of Ballistix Sport LT DDR4 Ram. I must say after tweaking the system a bit not much this has become a rock solid build that has far surpassed my Xeon build!!! This machine is a freaking powerhouse a CPU that can run all of my 3d rendering and Autocad with relative ease and I never go over 67c!! I would highly recommend this CPU if you have questions of this CPU just look at the pictures I have attached! Yes it is running all the monitors you see which are 3-43inch LG 4k, 3-LG 27inch monitors and a Samsung 65inch TV all at once!!! Enjoy!!!
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    4 people found this helpful
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    Reviewed in the United States on December 16, 2018
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    3 people found this helpful
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    Reviewed in the United States on June 8, 2021
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    Reviewed in the United States on September 18, 2018
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    One person found this helpful
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    Reviewed in the United States on September 20, 2020
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    Reviewed in the United States on July 13, 2020
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