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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-9400 vs i5-9600K

The Intel Core i5-9400 @ 2.90GHz is newer than Intel Core i5-9600K @ 3.70GHz, while Intel Core i5-9600K @ 3.70GHz is around 12% faster in multi-threaded (CPU Mark) testing, it is around 11% faster in single-thread testing. However, Intel Core i5-9600K @ 3.70GHz 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 6844 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 i5-9400 @ 2.90GHz×Intel Core i5-9600K @ 3.70GHz+ ADD
Price $102.24 - BUY $130 - BUY
Socket TypeFCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed2.9 GHz3.7 GHz
Turbo SpeedUp to 4.1 GHzUp to 4.6 GHz
# of Physical Cores6 (Threads: 6)6 (Threads: 6)
CacheL1: 384KB, L2: 1.5MB, L3: 9MBL1: 384KB, L2: 1.5MB, L3: 9MB
TDP65W95W
Yearly Running Cost$11.86$17.34
OtherIntel UHD Graphics 630Intel UHD Graphics 630
First Seen on ChartQ1 2019Q4 2018
# of Samples17715073
CPU Value91.782.0
Single Thread Rating(% diff. to max in group)2435(-11.0%)2735(0.0%)
CPU Mark(% diff. to max in group)9376(-12.0%)10656(0.0%)

CPU Mark Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i5-9400 @ 2.90GHz
9,376
Intel Core i5-9600K @ 3.70GHz
10,656
CPU Value (CPU Mark / $Price)
As of 8th of January 2025 - Higher results represent better value
Intel Core i5-9400 @ 2.90GHz
91.7
Intel Core i5-9600K @ 3.70GHz
82.0
CPU Single Thread Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i5-9400 @ 2.90GHz
2,435
Intel Core i5-9600K @ 3.70GHz
2,735
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 i5-9400 @ 2.90GHz Intel Core i5-9600K @ 3.70GHz
Max TDP65W95W
Power consumption per day (kWh)0.130.19
Running cost per day$0.033$0.048
Power consumption per year (kWh)47.569.3
Running cost per year$11.86$17.34
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.