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How Many Cores Do Intel Core i9-9900KF CPUs Have?

Find out how many cores Intel's 9th generation Core i9 9900KF processors have.

9900KF Number of Cores Timur Garifov / Unsplash

Last Updated: November 26, 2022

Written by Kevin Jones

In addition to discussing the number of cores in the 9900KF, this article will discuss recommendations for compatible motherboards, CPU coolers, and memory.

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How Many Cores Do 9900KF CPUs Have?

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Intel's Core i9-9900KF CPUs have 8 cores.

How Many Threads Does the 9900KF Have?

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The Intel Core i9-9900KF has 16 threads.

For Intel's 9th gen Core i9 processors, Hyper-Threading is available for each core. Hyper-Threading provides two threads for each of the 8 cores on the 9900KF.

At What Frequency Does the 9900KF Run?

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The processor has a 3.60 GHz base frequency and supports a 5.00 GHz max turbo frequency.

What Does the KF Suffix in 9900KF Mean?

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Processor Name SuffixMeaning
K"K" means it's an unlocked CPU. Unlocked CPUs have configurable frequencies and thus support overclocking. Your "motherboard" must support overclocking to overclock unlocked CPUs. Motherboards with Z-series chipsets typically support overclocking. Learn more about what each chipset supports in my article Which Chipsets Work With Intel's Core i9-9900KF CPU?.
F"F" means it requires discrete graphics. In other words, it doesn't have integrated graphics (basically a GPU built into the processor), thus requiring a standalone graphics card.

The 9900KF model name has an F suffix. F-suffixed CPUs do not contain integrated graphics, and a separate graphics card is required.

The 9900KF model name has a K suffix. K-suffixed CPUs can be overclocked with a compatible motherboard.

Motherboards with a Z-series chipset typically support overclocking. For example, motherboards with the Z370 or Z390 chipset usually support overclocking Intel's 9th Gen Core CPUs. Learn more about what each chipset supports in my article Which Chipsets Work With Intel's Core i9-9900KF CPU?.

CPU Cooling for the 9900KF

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A CPU cooler's TDP (Thermal Design Power) rating indicates how much heat it can dissipate in watts. If the cooler can't keep your CPU cool enough, your CPU may throttle (slow down), and your cooler will constantly run at full speed.

Intel CPU specifications indicate this power dissipation number as "Processor Base Power."

The Core i9-9900KF has a TDP of 95 watts.

A CPU cooler can still work with a lower TDP rating than the TDP of a CPU. However, the CPU will eventually throttle itself to a lower frequency to allow itself to cool.

The CPU may not achieve or maintain maximum turbo speeds without adequate cooling.

Learn more in Choosing the Best CPU Cooler for Intel's Core i9-9900KF.

Motherboard Requirements for Core i9-9900KF Processors

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For Intel's 9th generation Core i9 9900KF processor, you'll need a motherboard with an LGA 1151 socket and 300-series chipset.

Motherboards for Intel processors are made with chipsets provided by Intel. Each chipset offers a unique set of capabilities. However, motherboards must explicitly support features and capabilities for you to use them. Verify that a motherboard supports the features and capabilities you desire.

The "K" in the model name 9900KF means it's an unlocked processor that supports overclocking. You will need a motherboard with the Z390 or Z370 chipset to support CPU overclocking.

For compatiblity with Intel's 11th generation Core processors, you can use any of the 300-series chipsets: Z390, Z370, H370, B365, B360, H310. These are roughly sorted from most to least functionality.

The Q370 chipset is also compatible, but is intended for business use cases; its availability in stand-alone motherboards is limited.

For a detailed comparison of these chipsets, check out my article Which Chipsets Work With Intel's Core i9-9900KF CPU?.

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Best AIO Liquid Cooler: Enermax Liqmax III 360

  • This Enermax liquid cooler has an excellent cooling capability with a 360-watt TDP (Thermal Design Power).
  • Supports a variety of CPU sockets, including Intel LGA 2066, 2011-3, 2011, 1700, 1200, 1366, 1156, 1155, 1151, 1150 and AMD AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1.
  • Quiet operation at 14-27 dBA.
  • Make sure your computer case dimensions support this, as it will take up a decent amount of space! Enermax Liqmax III 360 Enermax Liqmax III 360 Check Price on Amazon Amazon Affiliate Link

Best Dual-Fan Air CPU Cooler: Be Quiet! BK022 Dark Rock Pro 4

  • Quiet operation at 12.8-24.3 dB.
  • The dual fans (120 mm and 135 mm) do a great job of cooling LGA 1151 CPUs with a 250-watt TDP (Thermal Design Power).
  • Supports a variety of CPU sockets, including Intel LGA 1150, 1151, 1155, 1156, 1366, 2011(-3) square ILM, 2066 and AMD AM2, AM2+, AM3, AM3+, AM4, FM1, FM2, FM2+.
  • Smaller models are available if you don't need as much cooling ability.
  • You can even add another 120 mm fan to it for more cooling! be quiet! BK022 Dark Rock Pro 4, 250-watt TDP be quiet! BK022 Dark Rock Pro 4, 250-watt TDP Check Price on Amazon Amazon Affiliate Link

Runner-Up - Dual-Fan Air CPU Cooler: Noctua NH-D15

  • Dual 140 mm fans provide 220-watt TDP (183 NSPR) of cooling capability.
  • Supports a variety of CPU sockets, including Intel LGA 1700, 1200, 1150, 1151, 1155, 1156, 2011, 2066 and AMD AM4, AM3, AM3+, AM2, AM2+, FM2, FM2+.
  • Quiet operation at 24.6 dBA. Noctua NH-D15, Premium CPU Cooler Noctua NH-D15, Premium CPU Cooler Check Price on Amazon Amazon Affiliate Link
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Before purchasing memory, review your motherboard specification to verify which speeds are supported. For example, if a DDR4 motherboard stated that it supports "DDR4 3400(O.C.) / 3333(O.C.) / 3300(O.C.) / 3200 / 3000," that would mean that it could support DDR4-3400, DDR4-3333, and DDR4-3300 with memory overclocking, and DDR4-3200 and DDR4-3000 at stock speeds. Motherboard specifications also indicate the maximum capacity per stick of RAM (DIMM) and across all slots.

Learn More About the Intel Core i9-9900KF

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You can find detailed 9900KF specifications on Intel's site.

Other Considerations When Building a PC

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Want to brush up on other new technologies to consider when building a computer? Check out these articles: