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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

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

Core i7-9700K

2018

Core i9-9900K

2018

Why buy it

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

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

❌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).

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 overall CPU here. You are getting 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 makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Core i9-9900K is the better pick here. 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 better fit. You are getting 25.8% better PassMark, backed by 8 cores and 16 threads. It also carries 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 the smarter buy by a wide margin for a fresh build. Core i9-9900K is 26.8% more expensive on MSRP at $488 MSRP versus $385 MSRP, and it gives you a 7.6% average FPS lead across 50 shared CPU game tests in our data. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 0.8% better value on paper (37.4 vs 37.1 PassMark/$), it really only makes sense as a very 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 is the more future-proof choice 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 should age better as games, background tasks, and creator workloads get heavier.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i7-9700K Benchmark Check

Core i9-9900K Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Core i9-9900K
1080p
low	308 FPS	274 FPS
medium	278 FPS	248 FPS
high	231 FPS	208 FPS
ultra	182 FPS	179 FPS
1440p
low	270 FPS	238 FPS
medium	221 FPS	195 FPS
high	178 FPS	159 FPS
ultra	143 FPS	139 FPS
4K
low	170 FPS	165 FPS
medium	140 FPS	136 FPS
high	108 FPS	106 FPS
ultra	95 FPS	93 FPS

Open Core i7-9700K Open Core i9-9900K

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Core i9-9900K
1080p
low	360 FPS	453 FPS
medium	321 FPS	404 FPS
high	291 FPS	355 FPS
ultra	259 FPS	318 FPS
1440p
low	324 FPS	429 FPS
medium	282 FPS	376 FPS
high	258 FPS	329 FPS
ultra	225 FPS	284 FPS
4K
low	249 FPS	288 FPS
medium	221 FPS	260 FPS
high	208 FPS	249 FPS
ultra	179 FPS	213 FPS

Open Core i7-9700K Open Core i9-9900K

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Core i9-9900K
1080p
low	360 FPS	453 FPS
medium	360 FPS	453 FPS
high	360 FPS	453 FPS
ultra	360 FPS	453 FPS
1440p
low	360 FPS	453 FPS
medium	360 FPS	453 FPS
high	360 FPS	453 FPS
ultra	360 FPS	435 FPS
4K
low	360 FPS	453 FPS
medium	360 FPS	447 FPS
high	360 FPS	392 FPS
ultra	318 FPS	330 FPS

Open Core i7-9700K Open Core i9-9900K

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Core i9-9900K
1080p
low	360 FPS	453 FPS
medium	360 FPS	453 FPS
high	360 FPS	453 FPS
ultra	360 FPS	453 FPS
1440p
low	360 FPS	453 FPS
medium	360 FPS	453 FPS
high	360 FPS	453 FPS
ultra	360 FPS	453 FPS
4K
low	360 FPS	453 FPS
medium	360 FPS	453 FPS
high	360 FPS	453 FPS
ultra	360 FPS	391 FPS

Open Core i7-9700K Open Core i9-9900K

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-9700K and Core i9-9900K

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.

⚡

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%

🧠

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

🔧

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	—

💰

Value Analysis

The Core i7-9700K launched at $385 MSRP, while the Core i9-9900K debuted at $488. On MSRP ($385 vs $488), the Core i7-9700K is $103 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 37.1 pts/$ for the Core i9-9900K — making the Core i7-9700K the 0.8% better value option.