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Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Intel
Detailed architecture, platform, memory, and feature data for this CPU.
Instruction Sets
About This Product
The Intel Core i9-11900K is an 8-core, 16-thread desktop CPU from the Rocket Lake-S generation. It offers strong single-core performance suitable for gaming at high refresh rates, but its multi-core performance is often surpassed by AMD's Ryzen 5000 series in its price bracket. While capable for gaming, its value proposition is diminished by newer generations and competing architectures.
Verdict
βSuitable for gamers prioritizing high single-core speeds, but better value exists elsewhere.β
Performance Benchmarks
Scores are grouped by benchmark family so it is easy to compare raw speed, threaded output, and real-world value without mixing scales.
Render Workloads
Next-Gen Scale
Cross-Platform
Large Sample Pool
Value & Efficiency
These derived metrics use Cinebench R23 multi-core performance to keep the value calculation consistent across the catalog.
Performance per Watt
129.7 pts/W
Performance per Dollar
39.4 pts/$
Gaming Performance
These results come from real submitted gameplay sessions, so the reference GPU matters as much as the CPU itself.
Reference GPU
Remnant 2
Mixed player settings
70 FPS
Smooth
Popular Comparisons
These pairings are pre-ranked from the comparison engine so readers can jump straight into the most relevant alternatives.

Multi-core 12,874
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Multi-core 100,295 Β· $9,999
"13% slower single-core, 84% slower multi-core, $161 more expensive"

Multi-core 15,945
"22% better single-core, tied multi-core, $28 cheaper"