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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-9900K vs i9-9900KS

The Intel Core i9-9900KS @ 4.00GHz is newer than Intel Core i9-9900K @ 3.60GHz also around 6% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Core i9-9900KS @ 4.00GHz uses around 29% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 14209 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Core i9-9900K @ 3.60GHz×Intel Core i9-9900KS @ 4.00GHz+ ADD
Price $369 - BUY $399.99 - BUY
Socket TypeFCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.6 GHz4.0 GHz
Turbo SpeedUp to 5.0 GHzUp to 5.0 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 2.0MB, L3: 16MBL1: 512KB, L2: 2.0MB, L3: 16MB
TDP95W127W
Yearly Running Cost$17.34$23.18
OtherIntel UHD Graphics 630Intel UHD Graphics 630
First Seen on ChartQ4 2018Q4 2019
# of Samples13687522
CPU Value49.548.7
Single Thread Rating(% diff. to max in group)2927(-3.6%)3035(0.0%)
CPU Mark(% diff. to max in group)18248(-6.2%)19461(0.0%)

CPU Mark Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Core i9-9900K @ 3.60GHz
18,248
Intel Core i9-9900KS @ 4.00GHz
19,461
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of December 2024 - Higher results represent better value
Intel Core i9-9900K @ 3.60GHz
49.5
Intel Core i9-9900KS @ 4.00GHz
48.7
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Core i9-9900K @ 3.60GHz
2,927
Intel Core i9-9900KS @ 4.00GHz
3,035
PassMark Software © 2008-2024
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Core i9-9900K @ 3.60GHz Intel Core i9-9900KS @ 4.00GHz
Max TDP95W127W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.