Core i9-10900K vs Core i9-10900KF

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Core i9-10900K vs Core i9-10900KF FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i9-10900K vs Core i9-10900KF: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i9-10900K

2020

Why buy it

✅+0.7% higher PassMark.
✅Costs $10 less on MSRP ($499 MSRP vs $509 MSRP).
✅Integrated graphics onboard with UHD Graphics 630, while Core i9-10900KF needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-10900KF across 50 shared CPU benchmark tests.

Core i9-10900KF

2020

Why buy it

✅Better for gaming: +7.1% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (22,231 vs 22,382).
❌
2% HIGHER MSRP
$509 MSRPvs$499 MSRP
❌No integrated graphics, while Core i9-10900K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-10900K better than Core i9-10900KF?

It depends on what you want from the system. For gaming, Core i9-10900KF is ahead with a 7.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-10900K pulls ahead with 0.7% better PassMark.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-10900K is the stronger fit. You are getting 0.7% better PassMark, backed by 10 cores and 20 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core i9-10900K is the better buy right now. Core i9-10900K comes in $10 cheaper on MSRP at $499 MSRP versus $509 MSRP, and it still gives you 0.7% better PassMark. The compromise is that Core i9-10900KF is still the better pure gaming CPU with a 7.1% average FPS lead across 50 shared CPU game tests in our data. It is also 2.7% better value on MSRP (44.9 vs 43.7 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Core i9-10900K makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 10 cores / 20 threads instead of 10/20. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i9-10900K vs Core i9-10900KF Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i9-10900K

The Core i9-10900K is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 10 cores and 20 threads. Base frequency is 3.7 GHz, with boost up to 5.2 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4. Passmark benchmark score: 22,382 points. Launch price was $488.

Core i9-10900KF

The Core i9-10900KF is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 10 cores and 20 threads. Base frequency is 3.7 GHz, with boost up to 5.2 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2933. Passmark benchmark score: 22,231 points. Launch price was $509.

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Processing Power

Both the Core i9-10900K and Core i9-10900KF share an identical 10-core/20-thread configuration. Boost clocks reach 5.2 GHz on the Core i9-10900K versus 5.2 GHz on the Core i9-10900KF — identical boost frequencies (base: 3.7 GHz vs 3.7 GHz). Both are built on the Comet Lake (2020−2025) architecture using a 14 nm process. In PassMark, the Core i9-10900K scores 22,382 against the Core i9-10900KF's 22,231 — a 0.7% lead for the Core i9-10900K. Both processors carry 20 MB (total) of L3 cache.

Feature	Core i9-10900K	Core i9-10900KF
Cores / Threads	10 / 20	10 / 20
Boost Clock	5.2 GHz	5.2 GHz
Base Clock	3.7 GHz	3.7 GHz
L3 Cache	20 MB (total)	20 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Comet Lake (2020−2025)	Comet Lake (2020−2025)
PassMark	22,382	22,231
Geekbench 6 Single	—	1,767
Geekbench 6 Multi	—	9,261

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Memory & Platform

Both processors use the LGA1200 socket with PCIe 3.0. Both support up to DDR4-2933 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: Intel 400 series (Core i9-10900K) and LGA1200 (Core i9-10900KF).

Feature	Core i9-10900K	Core i9-10900KF
Socket	LGA1200	LGA1200
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2933	DDR4-2933
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support VT-x, VT-d virtualization. The Core i9-10900K includes integrated graphics (UHD Graphics 630), while the Core i9-10900KF requires a dedicated GPU. Primary use case: Core i9-10900K targets Desktop.

Feature	Core i9-10900K	Core i9-10900KF
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 630	—
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Desktop	—

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Value Analysis

At launch, the Core i9-10900K was priced at $499, while the Core i9-10900KF came in at $509. On launch pricing ($499 vs $509), Core i9-10900K was $10 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-10900K delivers 44.9 pts/$ vs 43.7 pts/$ for the Core i9-10900KF — making the Core i9-10900K the 2.7% better value option.

Feature	Core i9-10900K	Core i9-10900KF
MSRP	$499-2%	$509
Performance per Dollar	44.9+3%	43.7
Release Date	2020	2020

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