Core i9-13900K vs Ryzen 9 5900X

CPU

GPU

Core i9-13900K

24 Cores32 Thrd125 WWMax: 5.7 GHz2022

Core family

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Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Ryzen family

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Core i9-13900K vs Ryzen 9 5900X Performance Spectrum

Core i9-13900K

24 / 32

58,373

+49.8%

38,955

0.0%

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

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 i9-13900K vs Ryzen 9 5900X 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 i9-13900K vs Ryzen 9 5900X: Pros, Cons & Final Verdict

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

Core i9-13900K

2022

Why buy it

✅+37.3% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅Delivers 37.3% more PassMark for each dollar spent, at 97.5 vs 71.0 PassMark/$ ($599 MSRP vs $549 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Ryzen 9 5900X needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (36 MB vs 64 MB).
❌
9.1% HIGHER MSRP
$599 MSRPvs$549 MSRP
❌19% higher power demand at 125W vs 105W.

Ryzen 9 5900X

2020

Why buy it

✅+77.8% larger total L3 cache (64 MB vs 36 MB).
✅Costs $50 less on MSRP ($549 MSRP vs $599 MSRP).
✅Draws 105W instead of 125W, a 20W reduction.
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower Geekbench single-core performance for gaming (2,174 vs 2,985).
❌Lower Cinebench R23 multi-core (21,000 vs 40,000).
❌Lower PassMark per dollar, at 71.0 vs 97.5 PassMark/$ ($549 MSRP vs $599 MSRP).
❌Older platform position on AM4 with DDR4, while Core i9-13900K moves to LGA1700 and DDR5.
❌No integrated graphics, while Core i9-13900K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-13900K better than Ryzen 9 5900X?

Yes. Core i9-13900K is the better all-around CPU here. It gives you a 0.0% average FPS lead across 50 shared CPU game tests in our data, 90.5% better Cinebench R23 multi-core, 49.8% higher 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 i9-13900K is the better pick. According to our tests, it delivers 0.0% 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 i9-13900K is the stronger fit. You are getting 90.5% better Cinebench R23 multi-core, backed by 24 cores and 32 threads.

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

Core i9-13900K is the better buy right now. Core i9-13900K comes in 9.1% more expensive on MSRP at $599 MSRP versus $549 MSRP, and it still gives you a 0.0% average FPS lead across 50 shared CPU game tests in our data. It is also 37.3% better value on MSRP (97.5 vs 71.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible AM4 + DDR4 setup, Ryzen 9 5900X can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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

Core i9-13900K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2020), a healthier platform with LGA1700 and DDR5 instead of AM4, and more multi-core headroom with 24 cores / 32 threads instead of 12/24. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-13900K vs Ryzen 9 5900X Technical Specifications

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

Core i9-13900K

The Core i9-13900K is manufactured by Intel. It was released in 27 September 2022 (3 years ago). It is based on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture. It features 24 cores and 32 threads. Base frequency is 3 GHz, with boost up to 5.7 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 58,373 points. Launch price was $589.

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

⚡

Processing Power

The Core i9-13900K packs 24 cores / 32 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Core i9-13900K has 12 more cores. Boost clocks reach 5.7 GHz on the Core i9-13900K versus 4.8 GHz on the Ryzen 9 5900X — a 17.1% clock advantage for the Core i9-13900K (base: 3 GHz vs 3.7 GHz). The Core i9-13900K uses the Raptor Lake, Raptor Cove, Gracemont (2022) architecture (Intel 7 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i9-13900K scores 58,373 against the Ryzen 9 5900X's 38,955 — a 39.9% lead for the Core i9-13900K. Cinebench R23 multi-core: 40,000 vs 21,000 (62.3% advantage for the Core i9-13900K). Geekbench 6 single-core — the metric most relevant to gaming — records 2,985 vs 2,174, a 31.4% lead for the Core i9-13900K that directly translates to higher frame rates. Multi-core Geekbench: 19,967 vs 11,888 (50.7% advantage for the Core i9-13900K). L3 cache: 36 MB (total) on the Core i9-13900K vs 64 MB on the Ryzen 9 5900X.

Feature	Core i9-13900K	Ryzen 9 5900X
Cores / Threads	24 / 32+100%	12 / 24
Boost Clock	5.7 GHz+19%	4.8 GHz
Base Clock	3 GHz	3.7 GHz+23%
L3 Cache	36 MB (total)	64 MB+78%
L2 Cache	2 MB (per core)	512K (per core)+25500%
Process	Intel 7 nm	7 nm, 12 nm
Architecture	Raptor Lake, Raptor Cove, Gracemont (2022)	Vermeer (Zen3) (2020−2022)
PassMark	58,373+50%	38,955
Cinebench R23 Multi	40,000+90%	21,000
Geekbench 6 Single	2,985+37%	2,174
Geekbench 6 Multi	19,967+68%	11,888

🧠

Memory & Platform

The Core i9-13900K uses the LGA1700 socket (PCIe 5.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Core i9-13900K versus DDR4-3200 on the Ryzen 9 5900X — the Core i9-13900K supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-13900K supports up to 192 GB of RAM compared to 128 GB — 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-13900K) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel Z790,Intel Z690 (Core i9-13900K) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	Core i9-13900K	Ryzen 9 5900X
Socket	LGA1700	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-5600+75%	DDR4-3200
Max RAM Capacity	192 GB+50%	128 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	24+20%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Virtualization support: true (Core i9-13900K) vs AMD-V (Ryzen 9 5900X). The Core i9-13900K includes integrated graphics (Intel UHD Graphics 770), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Core i9-13900K targets Desktop, Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.

Feature	Core i9-13900K	Ryzen 9 5900X
Integrated GPU	Yes	No
IGPU Model	Intel UHD Graphics 770	—
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	true	AMD-V
Target Use	Desktop	Workstation

💰

Value Analysis

At launch, the Core i9-13900K was priced at $599, while the Ryzen 9 5900X came in at $549. On launch pricing ($599 vs $549), Ryzen 9 5900X was $50 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-13900K delivers 97.5 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Core i9-13900K the 31.5% better value option.

Feature	Core i9-13900K	Ryzen 9 5900X
MSRP	$599	$549-8%
Performance per Dollar	97.5+37%	71.0
Release Date	2022	2020

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