Core i7-9700K vs Core i9-9900K

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 i7-9700K vs Core i9-9900K 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 i7-9700K vs Core i9-9900K: Pros, Cons & Final Verdict

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

Core i7-9700K

2018

Why buy it

✅Costs $103 less on MSRP ($385 MSRP vs $488 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-9900K across 50 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 18,109).
❌Smaller total L3 cache (12 MB vs 16 MB).

Core i9-9900K

2018

Why buy it

✅Better for gaming: +7.6% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).

Trade-offs

❌
26.8% HIGHER MSRP
$488 MSRPvs$385 MSRP

Quick Answers

So, is Core i9-9900K better than Core i7-9700K?

Yes. Core i9-9900K is the better all-around CPU here. It gives you a 7.6% average FPS lead across 50 shared CPU game tests in our data, 25.8% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i9-9900K is the better pick. According to our tests, it delivers 7.6% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i9-9900K is the stronger fit. You are getting 25.8% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).

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

Core i9-9900K is still the much better call for a fresh build. Core i9-9900K comes in 26.8% more expensive on MSRP at $488 MSRP versus $385 MSRP, and it still gives you a 7.6% average FPS lead across 50 shared CPU game tests in our data. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2018 platform. Even with 0.8% better value on paper (37.4 vs 37.1 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1151.

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

Core i9-9900K makes more sense long term for 2026 and beyond. You are getting 33.3% larger total L3 cache (16 MB vs 12 MB) and more multi-core headroom with 8 cores / 16 threads instead of 8/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-9700K vs Core i9-9900K Technical Specifications

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

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

Core i9-9900K

The Core i9-9900K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 18,109 points. Launch price was $488.

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Processing Power

The Core i7-9700K packs 8 cores / 8 threads, matching the Core i9-9900K's 8 cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5 GHz on the Core i9-9900K — a 2% clock advantage for the Core i9-9900K (base: 3.6 GHz vs 3.6 GHz). Both are built on the Coffee Lake-R (2018−2019) architecture using a 14 nm process. In PassMark, the Core i7-9700K scores 14,397 against the Core i9-9900K's 18,109 — a 22.8% lead for the Core i9-9900K. L3 cache: 12 MB (total) on the Core i7-9700K vs 16 MB (total) on the Core i9-9900K.

Feature	Core i7-9700K	Core i9-9900K
Cores / Threads	8 / 8	8 / 16
Boost Clock	4.9 GHz	5 GHz+2%
Base Clock	3.6 GHz	3.6 GHz
L3 Cache	12 MB (total)	16 MB (total)+33%
L2 Cache	256K (per core)	256K (per core)
Process	14 nm	14 nm
Architecture	Coffee Lake-R (2018−2019)	Coffee Lake-R (2018−2019)
PassMark	14,397	18,109+26%

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Memory & Platform

Both processors use the LGA1151 socket with PCIe 3.0. Both support up to DDR4-2666 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 300 series (Core i7-9700K) and Intel 300 series (Core i9-9900K).

Feature	Core i7-9700K	Core i9-9900K
Socket	LGA1151	LGA1151
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	DDR4-2666
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

Virtualization: VT-x, VT-d (Core i7-9700K) / not specified (Core i9-9900K). Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and Intel UHD Graphics 630 (Core i9-9900K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

Feature	Core i7-9700K	Core i9-9900K
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	Intel UHD Graphics 630
Unlocked	Yes	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Desktop	—

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Value Analysis

At launch, the Core i7-9700K was priced at $385, while the Core i9-9900K came in at $488. On launch pricing ($385 vs $488), Core i7-9700K was $103 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 37.1 pts/$ for the Core i9-9900K — making the Core i7-9700K the 0.8% better value option.

Feature	Core i7-9700K	Core i9-9900K
MSRP	$385-21%	$488
Performance per Dollar	37.4	37.1
Release Date	2018	2018

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