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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 13456 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 Samples61137343
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)13893(0.0%)9223(-33.6%)

CPU Mark Rating
As of 16th of March 2025 - Higher results represent better performance
AMD Ryzen 5 2600X
13,893
Intel Core i5-8400 @ 2.80GHz
9,223
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 16th 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 16th 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)0.190.13
Running cost per day$0.048$0.033
Power consumption per year (kWh)69.347.5
Running cost per year$17.34$11.86
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.