Core i9-11900K vs Ryzen 7 3700X

Core i9-11900K vs Ryzen 7 3700X Performance Spectrum

Core i9-11900K

8 / 16

24,990

+11.4%

22,430

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen 9 9900X3D

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

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 i9-11900K vs Ryzen 7 3700X 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 i9-11900K vs Ryzen 7 3700X: Pros, Cons & Final Verdict

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

Core i9-11900K

2021

Why buy it

✅+11.4% higher PassMark.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (16 MB vs 32 MB).
❌Lower PassMark per dollar, at 46.4 vs 68.2 PassMark/$ ($539 MSRP vs $329 MSRP).
❌92.3% higher power demand at 125W vs 65W.

Ryzen 7 3700X

2019

Why buy it

✅Better for gaming: +21.3% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (32 MB vs 16 MB).
✅Costs $210 less on MSRP ($329 MSRP vs $539 MSRP).
✅Delivers 47.0% more PassMark for each dollar spent, at 68.2 vs 46.4 PassMark/$ ($329 MSRP vs $539 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.

Trade-offs

❌Lower PassMark (22,430 vs 24,990).

Quick Answers

So, is Ryzen 7 3700X better than Core i9-11900K?

It depends on what you want from the system. For gaming, Ryzen 7 3700X is ahead with a 21.3% 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 11.4% better PassMark. Ryzen 7 3700X also has the bigger cache pool with 100% larger total L3 cache (32 MB vs 16 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 11.4% better PassMark, backed by 8 cores and 16 threads.

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

Ryzen 7 3700X is the better buy right now. Ryzen 7 3700X comes in $210 cheaper on MSRP at $329 MSRP versus $539 MSRP, and it still gives you a 21.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i9-11900K is still stronger for heavier multi-core work with 11.4% better PassMark. It is also 47.0% better value on MSRP (68.2 vs 46.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Core i9-11900K can still make sense as a platform-matched option because it avoids a motherboard and RAM swap, but on MSRP alone you would want to find it meaningfully cheaper in real-world listings before that path becomes easy to justify.

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 2019) and more multi-core headroom with 8 cores / 16 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i9-11900K vs Ryzen 7 3700X Technical Specifications

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

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.

Ryzen 7 3700X

The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.

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Processing Power

Both the Core i9-11900K and Ryzen 7 3700X share an identical 8-core/16-thread configuration. Boost clocks reach 5.2 GHz on the Core i9-11900K versus 4.4 GHz on the Ryzen 7 3700X — a 16.7% clock advantage for the Core i9-11900K (base: 3.5 GHz vs 3.6 GHz). The Core i9-11900K uses the Rocket Lake (2021) architecture (14 nm), while the Ryzen 7 3700X uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Core i9-11900K scores 24,990 against the Ryzen 7 3700X's 22,430 — a 10.8% lead for the Core i9-11900K. L3 cache: 16 MB (total) on the Core i9-11900K vs 32 MB on the Ryzen 7 3700X.

Feature	Core i9-11900K	Ryzen 7 3700X
Cores / Threads	8 / 16	8 / 16
Boost Clock	5.2 GHz+18%	4.4 GHz
Base Clock	3.5 GHz	3.6 GHz+3%
L3 Cache	16 MB (total)	32 MB+100%
L2 Cache	512 kB (per core)	512K (per core)
Process	14 nm	7 nm, 12 nm-50%
Architecture	Rocket Lake (2021)	Matisse (Zen 2) (2019−2020)
PassMark	24,990+11%	22,430

🧠

Memory & Platform

The Core i9-11900K uses the LGA1200 socket (PCIe 4.0), while the Ryzen 7 3700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i9-11900K	Ryzen 7 3700X
Socket	LGA1200	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	—	DDR4-3200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	24

💰

Value Analysis

At launch, the Core i9-11900K was priced at $539, while the Ryzen 7 3700X came in at $329. On launch pricing ($539 vs $329), Ryzen 7 3700X was $210 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-11900K delivers 46.4 pts/$ vs 68.2 pts/$ for the Ryzen 7 3700X — making the Ryzen 7 3700X the 38.1% better value option.

Feature	Core i9-11900K	Ryzen 7 3700X
MSRP	$539	$329-39%
Performance per Dollar	46.4	68.2+47%
Release Date	2021	2019

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