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Over 1,000,000 CPUs benchmarked

Intel i9-9900KF vs i7-8086K

The Intel Core i9-9900KF @ 3.60GHz is newer than Intel Core i7-8086K @ 4.00GHz also around 22% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 3271 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 i9-9900KF @ 3.60GHz×Intel Core i7-8086K @ 4.00GHz+ ADD
Price $283 - BUY $200 - 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)6 (Threads: 12)
CacheL1: 512KB, L2: 2.0MB, L3: 16MBL1: 384KB, L2: 1.5MB, L3: 12MB
TDP95W95W
Yearly Running Cost$17.34$17.34
OtherIntel UHD Graphics 630
First Seen on ChartQ2 2019Q2 2018
# of Samples18261445
CPU Value64.571.3
Single Thread Rating(% diff. to max in group)2923(0.0%)2846(-2.7%)
CPU Mark(% diff. to max in group)18244(0.0%)14252(-21.9%)

CPU Mark Rating
As of 3rd of December 2024 - Higher results represent better performance
Intel Core i9-9900KF @ 3.60GHz
18,244
Intel Core i7-8086K @ 4.00GHz
14,252
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 3rd of December 2024 - Higher results represent better value
Intel Core i9-9900KF @ 3.60GHz
64.5
Intel Core i7-8086K @ 4.00GHz
71.3
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 3rd of December 2024 - Higher results represent better performance
Intel Core i9-9900KF @ 3.60GHz
2,923
Intel Core i7-8086K @ 4.00GHz
2,846
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 i9-9900KF @ 3.60GHz Intel Core i7-8086K @ 4.00GHz
Max TDP95W95W
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.