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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-8500 vs i7-6700K

The Intel Core i5-8500 @ 3.00GHz is newer than Intel Core i7-6700K @ 4.00GHz also around 6% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Core i7-6700K @ 4.00GHz 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 19681 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 i5-8500 @ 3.00GHz×Intel Core i7-6700K @ 4.00GHz+ ADD
Price $74.19 - BUY $85.56 - BUY
Socket TypeFCLGA1151-2LGA1151
CPU ClassDesktopDesktop
Clockspeed3.0 GHz4.0 GHz
Turbo SpeedUp to 4.1 GHzUp to 4.2 GHz
# of Physical Cores6 (Threads: 6)4 (Threads: 8)
CacheL1: 384KB, L2: 1.5MB, L3: 9MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP65W95W
Yearly Running Cost$11.86$17.34
OtherIntel UHD Graphics 630
First Seen on ChartQ1 2018Q3 2015
# of Samples286516816
CPU Value128.7104.4
Single Thread Rating(% diff. to max in group)2449(-2.2%)2504(0.0%)
CPU Mark(% diff. to max in group)9545(0.0%)8936(-6.4%)

CPU Mark Rating
As of 9th of January 2025 - Higher results represent better performance
Intel Core i5-8500 @ 3.00GHz
9,545
Intel Core i7-6700K @ 4.00GHz
8,936
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 9th of January 2025 - Higher results represent better value
Intel Core i5-8500 @ 3.00GHz
128.7
Intel Core i7-6700K @ 4.00GHz
104.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 9th of January 2025 - Higher results represent better performance
Intel Core i5-8500 @ 3.00GHz
2,449
Intel Core i7-6700K @ 4.00GHz
2,504
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 i5-8500 @ 3.00GHz Intel Core i7-6700K @ 4.00GHz
Max TDP65W95W
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.