They are closely matched: Intel Core i9 12900KS scores 61/100 and Intel Core i9 12900K scores 60/100 in our overall comparison — within 1 point. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.
Intel Core i9 12900KS vs Intel Core i9 12900K
Verdict
Our overall take, at a glance
Key takeaways
- Intel Core i9 12900KS leads Intel Core i9 12900K overall by 9 points (80 vs 71 out of 100).
- Intel Core i9 12900KS stands out on Core Specifications Base Frequency: 2.5 GHz, Core Specifications Base Power Consumption: 150 W, Core Specifications Maximum Frequency: 5.5 GHz.
- Best value: Intel Core i9 12900K (from $589) — the strongest score-per-dollar of the two.
Intel Core i9 12900KS leads overall
Intel Core i9 12900KS
80
Intel Core i9 12900K
71
Why it stands out
- Core Specifications Base Frequency: 2.5 GHz
- Core Specifications Base Power Consumption: 150 W
- Core Specifications Maximum Frequency: 5.5 GHz
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.
Intel Core i9 12900KS
The Core i9 12900KS is a high-performance desktop CPU designed for demanding users. Its architecture places it among Intel's advanced generation lineup, providing exceptional compute capability through its mix of core types. This processor is best suited for enthusiasts and creators who require maximum performance power.
Best for CPU-intensive workstationsBest for High-refresh gaming rigsBest for Video encoding/rendering
Pros
- Features a blend of different core types to manage various computational loads
- Provides strong general processing throughput suitable for heavy workloads
- Offers high clock speed potential, which benefits gaming and single-threaded applications
Cons
- Like other high-end CPUs, it generates substantial heat under load, requiring robust cooling solutions
- Its performance relies heavily on proper system configuration and cooling to maximize output
Intel Core i9 12900K
The Intel Core i9-12900K is a high-performance CPU built by Intel. It belongs to the twelve-generation family of processors, targeting users who require maximum computational power.
Best for High-end workstationsBest for Content creationBest for Extreme gaming
Pros
- Provides top-tier multi-core performance, suitable for heavy multitasking or demanding applications.
- Belongs to the 12th generation line-up (Alder Lake), indicating a significant architectural step forward in Intel's core product range.
Cons
- As a high-performance chip, it is designed to draw substantial power and may require robust cooling solutions.
- The fact that the general Intel Core article lists many subsequent generations (up to 14th generation) suggests that this model is part of an evolving platform.
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
Intel Core i9 12900KS
Intel Core i9 12900K
Performance
Higher benchmark score = faster
Intel Core i9 12900KS44,537
Intel Core i9 12900K41,586
Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side
Frequently Asked Questions
Common questions about Intel Core i9 12900KS vs Intel Core i9 12900K comparison
Intel Core i9 12900KS and Intel Core i9 12900K are compared side by side above across every spec in the cpus category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 61/100 for Intel Core i9 12900KS and 60/100 for Intel Core i9 12900K.
At launch, Intel Core i9 12900K was the more affordable option ($589) versus Intel Core i9 12900KS ($739). Weigh that against the overall scores (61/100 vs 60/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.
It's close — Intel Core i9 12900KS (61/100) and Intel Core i9 12900K (60/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.
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