CPU Comparison

Intel Core i9-13900K vs Intel Core i9-13900KS

A side-by-side comparison of specs, performance and value. The Intel Core i9-13900K is a 24-core, 32-thread high-end desktop processor based on the Raptor Lake architecture, combining eight Raptor Cove performance cores and sixteen Gracemont efficient cores with up to 5.8 GHz turbo, targeting enthusiasts who need strong gaming and multi-threaded performance on the LGA1700 platform.

Top pick
Intel · 13th Generation Intel Core i9 Processors
Intel Core i9-13900K
24C / 32T5.8 GHz125 W
8.7
Full review
Intel · Intel Core i9
Intel Core i9-13900KS
24C / 32T6 GHz150 W
8.2
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Enthusiast Desktop
Desktop
Generation
13th Gen Intel Core
13th Generation
Launched
2022
2023
Status
Launched
Launched
Codename
Raptor Lake
Raptor Lake
Series
13th Generation Intel Core i9 Processors
Intel Core i9
Family
13th Generation Intel Core i9 Processors
13th Generation Intel Core i9 Processors
Predecessor
Intel Core i9-12900K
Intel Core i9-12900KS
Successor
Intel Core i9-14900K
Intel Core i9-14900KS

Specifications Compared

Cores & Clocks
Cores
24
24
Threads
32
32
Base Clock
3 GHz
Boost Clock
5.8 GHz
6 GHz
Cache & Power
L3 Cache
36 MB
36 MB
TDP
125 W
150 W
Architecture
Architecture
Raptor Lake (Raptor Cove + Gracemont)
Raptor Lake (13th Gen Intel Core, performance hybrid)
Process Node
Intel 7 (10 nm Enhanced SuperFin)
Intel 7
Memory
Memory Type
DDR5, DDR4
DDR5 or DDR4
Memory Speed
DDR5-5600, DDR4-3200
Up to DDR5-5600; Up to DDR4-3200
Memory Channels
Dual (2)
Dual (2)
Max Memory
192 GB
192 GB
Platform & I/O
Socket
FCLGA1700
FCLGA1700
PCIe Version
PCIe 5.0, PCIe 4.0
5.0 and 4.0
PCIe Lanes
20
20
Integrated GPU
Yes
Yes
Unlocked
Yes
Yes

Performance Compared

Productivity

Intel Core i9-13900K90
Intel Core i9-13900KS

Gaming

Intel Core i9-13900K91
Intel Core i9-13900KS

Virtualization

Intel Core i9-13900K85
Intel Core i9-13900KS

Efficiency

Intel Core i9-13900K55
Intel Core i9-13900KS

Specialized Performance

AI / ML

Intel Core i9-13900KModerate
  • No dedicated NPU; AI acceleration relies on CPU Intel DL Boost (VNNI) and integrated GPU.
  • Suitable for light local inference and some CPU‑based ML workloads, but not optimized for heavy AI training or inference compared to newer chips with NPUs.
Intel Core i9-13900KSGood
  • Well-suited for CPU-based AI inference workloads; lacks integrated NPU.
  • Can leverage AVX2 and AVX-512 instructions in supported software for certain workloads.
  • Heavier AI training typically benefits more from dedicated GPUs.

Content Creation

Intel Core i9-13900KExcellent
Adobe Premiere ProDaVinci ResolveBlenderCinema 4DV-RayHandBrake
Intel Core i9-13900KSExcellent
Video editing (Premiere Pro, DaVinci Resolve)3D rendering (Blender, Cycles, V-Ray)Compositing (After Effects, Nuke)Audio production (DAWs with many plugins)Photo editing and batch processing

Gaming

Intel Core i9-13900KExcellent
  • High single‑core and cache performance benefits GPU‑bound games at 1080p and 1440p.
  • Strong 1% low frame rates compared to previous‑gen Intel and many AMD rivals.
  • Power and thermals can become a limiting factor if cooling or power limits are not well tuned.
Intel Core i9-13900KSExcellent
  • 6.00 GHz peak provides top-tier single-thread performance for high-refresh gaming.
  • Real-world advantage over Core i9-13900K is usually small.
  • Requires capable cooling to maintain sustained boost under long sessions.

Industry Impact

Gaming
High
High
Workstations
High
High
Content Creation
High
High
Virtualization
Moderate
High

Best CPU by Use Case

High-Refresh-Rate Gaming (1080p/1440p)
Excellent
4K Video Editing and Rendering
Excellent
3D Rendering and Animation
Very Good
Streaming + Recording While Gaming
Very Good
Software Compilation and Dev Workloads
Very Good
High-refresh-rate gaming
Excellent
Game streaming with encoding
Excellent
4K/8K video editing
Very Good to Excellent
3D rendering and animation
Excellent
Software development and builds
Excellent
Heavy multitasking and VMs
Excellent

Target Audience

Gamers
Targeted
Targeted
Content Creators
Targeted
Targeted
Developers
Targeted
Targeted
Workstation Users
Targeted
Targeted
Streamers
Targeted
Targeted
Office / Productivity
Students

Strengths & Weaknesses

Intel Core i9-13900K

Pros

  • Strong gaming and single‑threaded performance, often at the top of benchmarks at launch.
  • 24 cores and 32 threads provide excellent multi‑threaded throughput for creators and heavy multitaskers.
  • Large 36 MB L3 cache helps both gaming and productivity workloads.
  • Supports both DDR5 and DDR4, easing platform transition and cost choices.
  • Unlocked multiplier and robust overclocking headroom for enthusiasts.
  • Integrated UHD Graphics 770 is useful for troubleshooting and basic workloads without a discrete GPU.

Cons

  • Very high power draw under multi‑threaded load, often exceeding 300 W when limits are removed.
  • Runs hot at stock settings with typical coolers, requiring high‑end air or AIO liquid cooling.
  • Efficiency lags AMD’s Ryzen 7000 series and Intel’s own later 14th‑gen refresh.
  • Platform longevity is uncertain beyond 14th gen as Intel transitions to new sockets.
  • At launch, some motherboard BIOSes exposed unstable power‑limit unlocks, causing crashes in games.
Intel Core i9-13900KS

Pros

  • First desktop processor to reach 6.00 GHz at stock settings
  • 24 cores and 32 threads with hybrid architecture
  • Large 36 MB L3 cache and 32 MB total L2 cache
  • Supports DDR5-5600 and DDR4-3200 for flexibility
  • 20 PCIe lanes with PCIe 5.0 for GPUs and 4.0 for storage
  • Unlocked multiplier tailored for overclockers
  • Excellent single-threaded and multi-threaded performance

Cons

  • Higher price than the Core i9-13900K for small performance gains
  • High power draw under turbo, requiring robust cooling and power delivery
  • Limited to the LGA1700 platform
  • Premium-binned 'Special Edition' with limited availability

Competitors & Alternatives

Intel Core i9-13900K

Intel Core i9-13900KS

  • AMD Ryzen 9 7950X

    High-end desktop

    Rival
  • AMD Ryzen 9 7950X3D

    Gaming-focused high-end desktop

    Rival
  • AMD Ryzen 9 7900X

    High-end desktop

    Rival
    Compare head-to-head
  • Very similar performance at lower cost and slightly lower sustained power.

    Compare head-to-head
  • Intel Core i7-14700K
    Alt

    If considering newer generations with more E-cores and updated features on LGA1700.

  • AMD Ryzen 9 7900X3D
    Alt

    Gaming-optimized alternative on AM5 with high efficiency.

Our Verdict on Each

A very fast hybrid desktop CPU that trades blows with AMD’s Ryzen 9 7950X in both gaming and productivity, but at notably higher power draw and thermals, making cooling and power tuning essential.

Best for: High‑end gaming and content creation builds where raw performance matters more than power efficiency, and you can pair the CPU with strong cooling and a capable Z790 motherboard.

Read the full review

The 13900KS delivers the highest stock clocks Intel has offered and excellent multi-thread performance, but its modest uplift over the 13900K and elevated power demands make it a niche choice for extreme enthusiasts rather than a mainstream recommendation.

Best for: You are an extreme enthusiast or overclocker chasing the highest stock clocks and do not mind the extra cost and cooling requirements.

Read the full review

Frequently Asked Questions

Which is better, Intel Core i9-13900K or Intel Core i9-13900KS?

Based on our editorial ratings, the Intel Core i9-13900K comes out ahead with a score of 8.7/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.

Which is faster for gaming, Intel Core i9-13900K or Intel Core i9-13900KS?

For gaming, the Intel Core i9-13900K leads with a gaming performance score of 91/100 among Intel Core i9-13900K and Intel Core i9-13900KS.

Which uses less power?

The Intel Core i9-13900K has the lowest rated TDP. Power draw across these chips: Intel Core i9-13900K (125 W), Intel Core i9-13900KS (150 W).

Do Intel Core i9-13900K and Intel Core i9-13900KS use the same socket?

Yes — all of these CPUs use the FCLGA1700 socket, so they share compatible motherboards.