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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-8600 vs i5-8400

The Intel Core i5-8600 @ 3.10GHz is newer than Intel Core i5-8400 @ 2.80GHz also around 7% faster in multi-threaded (CPU Mark) testing, it is around 8% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 7541 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 i5-8400 @ 2.80GHz+ ADD
Price $129.69 - BUY $83 - BUY
Socket TypeFCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.1 GHz2.8 GHz
Turbo SpeedUp to 4.3 GHzUp to 4.0 GHz
# of Physical Cores6 (Threads: 6)6 (Threads: 6)
CacheL1: 384KB, L2: 1.5MB, L3: 9MBL1: 384KB, L2: 1.5MB, L3: 9MB
TDP65W65W
Yearly Running Cost$11.86$11.86
OtherIntel UHD Graphics 630Intel UHD Graphics 630
First Seen on ChartQ2 2018Q4 2017
# of Samples5936948
CPU Value76.9111.2
Single Thread Rating(% diff. to max in group)2577(0.0%)2378(-7.7%)
CPU Mark(% diff. to max in group)9976(0.0%)9233(-7.4%)

CPU Mark Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i5-8600 @ 3.10GHz
9,976
Intel Core i5-8400 @ 2.80GHz
9,233
CPU Value (CPU Mark / $Price)
As of 8th of January 2025 - Higher results represent better value
Intel Core i5-8600 @ 3.10GHz
76.9
Intel Core i5-8400 @ 2.80GHz
111.2
CPU Single Thread Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i5-8600 @ 3.10GHz
2,577
Intel Core i5-8400 @ 2.80GHz
2,378
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 i5-8400 @ 2.80GHz
Max TDP65W65W
Power consumption per day (kWh)0.130.13
Running cost per day$0.033$0.033
Power consumption per year (kWh)47.547.5
Running cost per year$11.86$11.86
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.