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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-7600K vs i5-8400 vs AMD FX-8350 Eight-

All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 29378 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 i5-7600K @ 3.80GHz×Intel Core i5-8400 @ 2.80GHz×AMD FX-8350 Eight-Core+ ADD
Price $58.39 - BUY $83 - BUY $89.99 - BUY
Socket TypeFCLGA1151FCLGA1151-2AM3+
CPU ClassDesktopDesktopDesktop
Clockspeed3.8 GHz2.8 GHz4.0 GHz
Turbo SpeedUp to 4.2 GHzUp to 4.0 GHzUp to 4.2 GHz
# of Physical Cores4 (Threads: 4)6 (Threads: 6)8 (in 4 physical modules)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 384KB, L2: 1.5MB, L3: 9MBL1: 640KB, L2: 16.0MB, L3: 8MB
TDP91W65W125W
Yearly Running Cost$16.61$11.86$22.81
OtherIntel UHD Graphics 630
First Seen on ChartQ1 2017Q4 2017Q4 2012
# of Samples3097689219389
CPU Value116.5111.267.4
Single Thread Rating(% diff. to max in group)2547(0.0%)2379(-6.6%)1581(-37.9%)
CPU Mark(% diff. to max in group)6804(-26.3%)9234(0.0%)6067(-34.3%)

CPU Mark Rating
As of 30th of December 2024 - Higher results represent better performance
Intel Core i5-7600K @ 3.80GHz
6,804
Intel Core i5-8400 @ 2.80GHz
9,234
AMD FX-8350 Eight-Core
6,067
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 30th of December 2024 - Higher results represent better value
Intel Core i5-7600K @ 3.80GHz
116.5
Intel Core i5-8400 @ 2.80GHz
111.2
AMD FX-8350 Eight-Core
67.4
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 30th of December 2024 - Higher results represent better performance
Intel Core i5-7600K @ 3.80GHz
2,547
Intel Core i5-8400 @ 2.80GHz
2,379
AMD FX-8350 Eight-Core
1,581
PassMark Software © 2008-2024
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 i5-7600K @ 3.80GHz Intel Core i5-8400 @ 2.80GHz AMD FX-8350 Eight-Core
Max TDP91W65W125W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.