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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-6600K @ 3.50GHz vs Intel Core i9-9900K @ 3.60GHz vs Intel Core i9-10900K @ 3.70GHz vs AMD Ryzen 9 3900X vs AMD Ryzen 9 3950X

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

  • 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 i5-6600K @ 3.50GHz×Intel Core i9-9900K @ 3.60GHz×Intel Core i9-10900K @ 3.70GHz×AMD Ryzen 9 3900X×AMD Ryzen 9 3950X
Price $65.99 - BUY $565 - BUY $319.99 - BUY $216.99 - BUY $459.99 - BUY
Socket TypeFCLGA1151FCLGA1151-2FCLGA1200AM4AM4
CPU ClassDesktopDesktopDesktopDesktopDesktop
Clockspeed3.5 GHz3.6 GHz3.7 GHz3.8 GHz3.5 GHz
Turbo SpeedUp to 3.9 GHzUp to 5.0 GHzUp to 5.3 GHzUp to 4.6 GHzUp to 4.7 GHz
# of Physical Cores4 (Threads: 4)8 (Threads: 16)10 (Threads: 20)12 (Threads: 24)16 (Threads: 32)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 512KB, L2: 2.0MB, L3: 16MBL1: 640KB, L2: 2.5MB, L3: 20MBL1: 768KB, L2: 6.0MB, L3: 64MBL1: 1,024KB, L2: 8.0MB, L3: 64MB
TDP91W95W125W105W105W
Yearly Running Cost$16.61$17.34$22.81$19.16$19.16
OtherIntel UHD Graphics 630Intel UHD Graphics 630
First Seen on ChartQ3 2015Q4 2018Q2 2020Q3 2019Q4 2019
# of Samples6402127082878130093108
CPU Value95.832.471.7150.584.4
Single Thread Rating(% diff. to max in group)2328(-25.8%)2932(-6.5%)3136(0.0%)2707(-13.7%)2705(-13.7%)
CPU Mark(% diff. to max in group)6324(-83.7%)18322(-52.8%)22950(-40.9%)32659(-15.8%)38807(0.0%)

CPU Mark Rating
As of 27th of April 2024 - Higher results represent better performance
Intel Core i5-6600K @ 3.50GHz
6,324
Intel Core i9-9900K @ 3.60GHz
18,322
Intel Core i9-10900K @ 3.70GHz
22,950
AMD Ryzen 9 3900X
32,659
AMD Ryzen 9 3950X
38,807
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 27th of April 2024 - Higher results represent better value
Intel Core i5-6600K @ 3.50GHz
95.8
Intel Core i9-9900K @ 3.60GHz
32.4
Intel Core i9-10900K @ 3.70GHz
71.7
AMD Ryzen 9 3900X
150.5
AMD Ryzen 9 3950X
84.4
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 27th of April 2024 - Higher results represent better performance
Intel Core i5-6600K @ 3.50GHz
2,328
Intel Core i9-9900K @ 3.60GHz
2,932
Intel Core i9-10900K @ 3.70GHz
3,136
AMD Ryzen 9 3900X
2,707
AMD Ryzen 9 3950X
2,705
PassMark Software © 2008-2024

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 i5-6600K @ 3.50GHzIntel Core i9-9900K @ 3.60GHzIntel Core i9-10900K @ 3.70GHzAMD Ryzen 9 3900XAMD Ryzen 9 3950X
Max TDP91W95W125W105W105W
Power consumption per day (kWh)NANANANANA
Running cost per dayNANANANANA
Power consumption per year (kWh)NANANANANA
Running cost per yearNANANANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.