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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i7-7800X vs i5-9600K

The Intel Core i5-9600K @ 3.70GHz is newer than Intel Core i7-7800X @ 3.50GHz and is around -18% slower in multi-threaded (CPU Mark) testing. The Intel Core i5-9600K @ 3.70GHz is around 15% faster in single-thread testing. Also, Intel Core i7-7800X @ 3.50GHz uses around 38% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 6168 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 i7-7800X @ 3.50GHz×Intel Core i5-9600K @ 3.70GHz+ ADD
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Socket TypeFCLGA2066FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.5 GHz3.7 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.6 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 6)
CacheL1: 384KB, L2: 6.0MB, L3: 8MBL1: 384KB, L2: 1.5MB, L3: 9MB
TDP140W95W
Yearly Running Cost$25.55$17.34
OtherIntel UHD Graphics 630
First Seen on ChartQ2 2017Q4 2018
# of Samples6465522
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)2380(-12.8%)2731(0.0%)
CPU Mark(% diff. to max in group)12916(0.0%)10643(-17.6%)

CPU Mark Rating
As of 25th of April 2025 - Higher results represent better performance
Intel Core i7-7800X @ 3.50GHz
12,916
Intel Core i5-9600K @ 3.70GHz
10,643
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 25th of April 2025 - Higher results represent better performance
Intel Core i7-7800X @ 3.50GHz
2,380
Intel Core i5-9600K @ 3.70GHz
2,731
PassMark Software © 2008-2025
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 i7-7800X @ 3.50GHz Intel Core i5-9600K @ 3.70GHz
Max TDP140W95W
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.