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AMD Ryzen 5 2600X vs Intel i5-8400

The AMD Ryzen 5 2600X is newer than Intel Core i5-8400 @ 2.80GHz also around 34% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, AMD Ryzen 5 2600X 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 13466 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.

×AMD Ryzen 5 2600X×Intel Core i5-8400 @ 2.80GHz+ ADD
Price $150 - BUY $151.7 - BUY
Socket TypeAM4FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.6 GHz2.8 GHz
Turbo SpeedUp to 4.2 GHzUp to 4.0 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 6)
CacheL1: 576KB, L2: 3.0MB, L3: 16MBL1: 384KB, L2: 1.5MB, L3: 9MB
TDP95W65W
Yearly Running Cost$17.34$11.86
OtherIntel UHD Graphics 630
First Seen on ChartQ2 2018Q4 2017
# of Samples61207346
CPU Value92.660.8
Single Thread Rating(% diff. to max in group)2382(0.0%)2375(-0.3%)
CPU Mark(% diff. to max in group)13894(0.0%)9223(-33.6%)

CPU Mark Rating
As of 17th of March 2025 - Higher results represent better performance
AMD Ryzen 5 2600X
13,894
Intel Core i5-8400 @ 2.80GHz
9,223
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 17th of March 2025 - Higher results represent better value
AMD Ryzen 5 2600X
92.6
Intel Core i5-8400 @ 2.80GHz
60.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 17th of March 2025 - Higher results represent better performance
AMD Ryzen 5 2600X
2,382
Intel Core i5-8400 @ 2.80GHz
2,375
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.
AMD Ryzen 5 2600X Intel Core i5-8400 @ 2.80GHz
Max TDP95W65W
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.