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.
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
| Merchant | Base | Promo | Shipping | Availability | Total | |
|---|---|---|---|---|---|---|
Newegg | $405.06 | β | FREE | In Stock | $405.06 | Buy |
About This Product
The Intel Core i9-9900KS is an 8-core, 16-thread desktop CPU from the 9th Gen Coffee Lake Refresh series. It features an all-core turbo of 5.0 GHz, making it suitable for high-refresh-rate gaming and demanding single-threaded applications. At its current price, it competes with newer generation CPUs that offer better multi-threaded performance and efficiency.
Verdict
βBest for users seeking maximum single-core performance on an existing Z390 platform.β
Performance Benchmarks
Scores are grouped by benchmark family so it is easy to compare raw speed, threaded output, and real-world value without mixing scales.
Render Workloads
Next-Gen Scale
Large Sample Pool
Value & Efficiency
These derived metrics use Cinebench R23 multi-core performance to keep the value calculation consistent across the catalog.
Performance per Watt
104.8 pts/W
Performance per Dollar
32.5 pts/$
Gaming Performance
These results come from real submitted gameplay sessions, so the reference GPU matters as much as the CPU itself.
Reference GPU
Elden Ring
Mixed player settings
41 FPS
Playable
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Multi-core 100,295 Β· $9,999
"31% slower single-core, 87% slower multi-core, $159 more expensive"

Multi-core 13,067
"5% better single-core, tied multi-core, $359 cheaper"