Intel

Intel Core i9-13900KS

Expert rating8.7 / 10

Brand:: Intel
Form Factor:: Desktop
CPU Socket:: LGA 1700
Core/Thread Count:: 24C/32T
TDP:: 125W
iGPU:: Intel UHD Graphics 770
CPU Series:: Core i9

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Manufacturer: Intel Last updated: 2026-09-12

Intel Core i9-13900KS Review

Intel Core i9-13900KS 24-core 32-thread desktop processor, 3.2GHz base / 5.8GHz boost, 125W TDP, Raptor Lake, LGA 1700 socket

The Intel Core i9-13900KS is an unlocked flagship desktop processor for overclocking and high-end gaming. Built on Intel's Raptor Lake architecture, it pairs 24 cores and 32 threads with a 3.2GHz base clock that boosts up to 5.8GHz and Intel UHD Graphics 770 graphics, all within a 125W envelope.

Performance and Architecture

With 24 cores and 32 threads, the Intel Core i9-13900KS is built on Intel's Raptor Lake generation. Its 3.2GHz base clock boosts up to 5.8GHz, and Intel UHD Graphics 770 graphics handle everyday display and light content-creation tasks.

Platform and Efficiency

The Intel Core i9-13900KS uses the LGA 1700 platform in a 125W envelope, positioned as an unlocked flagship desktop processor for overclocking and high-end gaming.

Comparison to Alternatives

Within the Core i9 lineup in this catalog, the Intel Core i9-13900KS sits among other Raptor Lake parts at the 24-core tier, differentiated mainly by suffix, clock speed, and TDP. Against AMD's Ryzen processors in this catalog at a similar tier, Intel's Core i9 competes on single-thread performance and platform pricing, while against Intel's own Core Ultra parts in this catalog it lacks the on-die NPU but often costs less.

Specifications

Identity

Product Line	Core i9
Model Number	13900KS
Codename	Raptor Lake
Release Year	2023

Segment and platform

Market Segment	Desktop
Microarchitecture	Raptor Lake
Socket	LGA 1700
Socket	LGA 1700
Socket Status	End of Life
Process Node	10 nm

Core configuration

Total Cores	24
Performance Cores	8
Efficiency Cores	16
Total Threads	32
SMT Enabled	Yes

Clock speeds

P-Core Base Clock	3.2 GHz
P-Core Boost Clock	5.4 GHz
E-Core Base Clock	2.4 GHz
E-Core Boost Clock	4.3 GHz
Unlocked Multiplier	Yes

Cache

L2 Cache	32 MB
L3 Cache	36 MB

Power and thermal

Base Power	150 W
Max Turbo Power	253 W

Memory

Memory Type	DDR5 or DDR4
Max Memory Speed	5600 MT/s
Memory Channels	2
Max Memory Capacity	192 GB
ECC Support	Yes

Graphics and AI

Integrated Graphics	Yes
iGPU Model	Intel UHD Graphics 770
iGPU Compute Units	32
Copilot Plus Certified	No

Expansion

PCIe Generation	5
PCIe Lanes	20

Commercial

Launch MSRP	689 USD
Retail Availability	Retail

Form Factor	Desktop
TDP	125 W
iGPU	Intel UHD Graphics 770

Expert Review

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating8.7 / 10

The Intel Core i9-13900KS is an unlocked flagship desktop chip, a top pick for enthusiasts who want to overclock.

Best for

Enthusiast desktop gaming
Overclocking
High-end productivity

Not for

Laptops
Fanless designs
Extreme power efficiency needs

FAQs

What are the key specifications of the Intel Core i9-13900KS?

The Intel Core i9-13900KS is a processor from Intel. Key specs: Cores 24, Threads 32, Base Clock 3.2 GHz, Boost Clock 5.8 GHz, L3 Cache 45.

Will the Intel Core i9-13900KS work with my current setup?

The Intel Core i9-13900KS lists Socket is LGA 1700. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.