Core i7-9700K vs Core i9-11900K

Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018
Similar parts
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VS
Intel

Core i9-11900K

8 Cores16 Thrd125 WWMax: 5.2 GHz2021
Core family
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Core i7-9700K vs Core i9-11900K Performance Spectrum

About PassMark

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 i9-11900K 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 i9-11900K: 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

  • Better for gaming: +10.6% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $154 less on MSRP ($385 MSRP vs $539 MSRP).
  • Draws 95W instead of 125W, a 30W reduction.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with UHD Graphics 630, while Core i9-11900K needs a discrete GPU.

Trade-offs

  • Lower PassMark (14,397 vs 24,990).
  • Smaller total L3 cache (12 MB vs 16 MB).
  • Lower PassMark per dollar, at 37.4 vs 46.4 PassMark/$ ($385 MSRP vs $539 MSRP).

Core i9-11900K

2021

Why buy it

  • +73.6% higher PassMark.
  • +33.3% larger total L3 cache (16 MB vs 12 MB).
  • Delivers 24.0% more PassMark for each dollar spent, at 46.4 vs 37.4 PassMark/$ ($539 MSRP vs $385 MSRP).

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
  • 40% HIGHER MSRP
    $539 MSRPvs$385 MSRP
  • 31.6% higher power demand at 125W vs 95W.
  • No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-11900K better than Core i7-9700K?
It depends on what you want from the system. For gaming, Core i7-9700K is ahead with a 10.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-11900K pulls ahead with 73.6% better PassMark. Core i9-11900K also has the bigger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i9-11900K is the stronger fit. You are getting 73.6% 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 i9-11900K is the better buy right now. Core i9-11900K comes in 40.0% more expensive on MSRP at $539 MSRP versus $385 MSRP, and it still gives you 73.6% better PassMark. The compromise is that Core i7-9700K is still the better pure gaming CPU with a 10.6% average FPS lead across 50 shared CPU game tests in our data. It is also 24.0% better value on MSRP (46.4 vs 37.4 PassMark/$), 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 i9-11900K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2018), 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 i9-11900K Technical Specifications

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

Intel

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.

Intel

Core i9-11900K

The Core i9-11900K is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.5 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4. Passmark benchmark score: 24,990 points. Launch price was $539.

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, matching the Core i9-11900K's 8 cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5.2 GHz on the Core i9-11900K — a 5.9% clock advantage for the Core i9-11900K (base: 3.6 GHz vs 3.5 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Core i9-11900K uses Rocket Lake (2021) (14 nm). In PassMark, the Core i7-9700K scores 14,397 against the Core i9-11900K's 24,990 — a 53.8% lead for the Core i9-11900K. L3 cache: 12 MB (total) on the Core i7-9700K vs 16 MB (total) on the Core i9-11900K.

FeatureCore i7-9700KCore i9-11900K
Cores / Threads
8 / 8
8 / 16
Boost Clock
4.9 GHz
5.2 GHz+6%
Base Clock
3.6 GHz+3%
3.5 GHz
L3 Cache
12 MB (total)
16 MB (total)+33%
L2 Cache
256K (per core)
512 kB (per core)+100%
Process
14 nm
14 nm
Architecture
Coffee Lake-R (2018−2019)
Rocket Lake (2021)
PassMark
14,397
24,990+74%
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Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Core i9-11900K uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureCore i7-9700KCore i9-11900K
Socket
LGA1151
LGA1200
PCIe Generation
PCIe 3.0
PCIe 4.0+33%
Max RAM Speed
DDR4-2666
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
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Advanced Features

Virtualization: VT-x, VT-d (Core i7-9700K) / not specified (Core i9-11900K). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Core i9-11900K requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

FeatureCore i7-9700KCore i9-11900K
Integrated GPU
Yes
IGPU Model
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 i9-11900K came in at $539. On launch pricing ($385 vs $539), Core i7-9700K was $154 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 46.4 pts/$ for the Core i9-11900K — making the Core i9-11900K the 21.4% better value option.

FeatureCore i7-9700KCore i9-11900K
MSRP
$385-29%
$539
Performance per Dollar
37.4
46.4+24%
Release Date
2018
2021

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