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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-8600 vs i5-9600K vs i9-9900K

All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 19026 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 i5-8600 @ 3.10GHz×Intel Core i5-9600K @ 3.70GHz×Intel Core i9-9900K @ 3.60GHz+ ADD
Price $99.09 - BUY $97 - BUY $369 - BUY
Socket TypeFCLGA1151-2FCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktopDesktop
Clockspeed3.1 GHz3.7 GHz3.6 GHz
Turbo SpeedUp to 4.3 GHzUp to 4.6 GHzUp to 5.0 GHz
# of Physical Cores6 (Threads: 6)6 (Threads: 6)8 (Threads: 16)
CacheL1: 384KB, L2: 1.5MB, L3: 9MBL1: 384KB, L2: 1.5MB, L3: 9MBL1: 512KB, L2: 2.0MB, L3: 16MB
TDP65W95W95W
Yearly Running Cost$11.86$17.34$17.34
OtherIntel UHD Graphics 630Intel UHD Graphics 630Intel UHD Graphics 630
First Seen on ChartQ2 2018Q4 2018Q4 2018
# of Samples571492313532
CPU Value100.4110.049.5
Single Thread Rating(% diff. to max in group)2577(-12.0%)2738(-6.5%)2928(0.0%)
CPU Mark(% diff. to max in group)9950(-45.5%)10668(-41.6%)18257(0.0%)

CPU Mark Rating
As of 4th of December 2024 - Higher results represent better performance
Intel Core i5-8600 @ 3.10GHz
9,950
Intel Core i5-9600K @ 3.70GHz
10,668
Intel Core i9-9900K @ 3.60GHz
18,257
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 4th of December 2024 - Higher results represent better value
Intel Core i5-8600 @ 3.10GHz
100.4
Intel Core i5-9600K @ 3.70GHz
110.0
Intel Core i9-9900K @ 3.60GHz
49.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 4th of December 2024 - Higher results represent better performance
Intel Core i5-8600 @ 3.10GHz
2,577
Intel Core i5-9600K @ 3.70GHz
2,738
Intel Core i9-9900K @ 3.60GHz
2,928
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 i5-8600 @ 3.10GHz Intel Core i5-9600K @ 3.70GHz Intel Core i9-9900K @ 3.60GHz
Max TDP65W95W95W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.