Based on our overall comparison score, Intel Core i9 12900KS rates higher at 61/100 versus 48/100 for Intel Core i9 11900K — a 13-point lead. Intel Core i9 12900KS is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
Intel Core i9 12900KS vs Intel Core i9 11900K
Verdict
Our overall take, at a glance
Key takeaways
- Intel Core i9 12900KS leads Intel Core i9 11900K overall by 29 points (69 vs 40 out of 100).
- Intel Core i9 12900KS stands out on Core Specifications Cores: 16, Core Specifications Threads: 24, Core Specifications Base Power Consumption: 150 W.
Intel Core i9 12900KS leads overall
Intel Core i9 12900KS
69
Intel Core i9 11900K
40
Why it stands out
- Core Specifications Cores: 16
- Core Specifications Threads: 24
- Core Specifications Base Power Consumption: 150 W
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 11900K
The Intel Core i9 11900K is a high-performance CPU designed for demanding computing tasks. This processor utilizes an 11th generation microarchitecture and is intended for power users, enthusiasts, or professionals who require maximum processing capability.
Best for High-end workstation useBest for Enthusiast PC buildingBest for Content creation and rendering
Pros
- Designed with modern microarchitectural efficiency to maintain high instructions per cycle (IPC)
- Represents a flagship part of the Core i9 series designed for enthusiast and demanding markets
- A processor optimized for maximizing computational throughput in computationally intensive applications
Cons
- Requires careful thermal management due to its expected high power demands during peak operation
- Relies on specific socket types (LGA 1200) that limit upgrades to newer generations of hardware
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 11900K
Performance
Higher benchmark score = faster
Intel Core i9 12900KS44,537
Intel Core i9 11900K27,598
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 11900K comparison
Intel Core i9 12900KS and Intel Core i9 11900K 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 48/100 for Intel Core i9 11900K.
At launch, Intel Core i9 11900K was the more affordable option ($539) versus Intel Core i9 12900KS ($739). Weigh that against the overall scores (61/100 vs 48/100) 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.
If you want the higher-rated cpus option overall, Intel Core i9 12900KS (61/100) edges out Intel Core i9 11900K (48/100). But if Intel Core i9 11900K is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.
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