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AMD Ryzen 3 3100 vs Intel i5-8400

The AMD Ryzen 3 3100 is newer than Intel Core i5-8400 @ 2.80GHz also around 20% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. 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 8380 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 3 3100×Intel Core i5-8400 @ 2.80GHz+ ADD
Price $135 - BUY $80 - BUY
Socket TypeAM4FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.6 GHz2.8 GHz
Turbo SpeedUp to 3.9 GHzUp to 4.0 GHz
# of Physical Cores4 (Threads: 8)6 (Threads: 6)
CacheL1: 256KB, L2: 2.0MB, L3: 16MBL1: 384KB, L2: 1.5MB, L3: 9MB
TDP65W65W
Yearly Running Cost$11.86$11.86
OtherIntel UHD Graphics 630
First Seen on ChartQ2 2020Q4 2017
# of Samples13846996
CPU Value85.8115.4
Single Thread Rating(% diff. to max in group)2418(0.0%)2378(-1.7%)
CPU Mark(% diff. to max in group)11585(0.0%)9233(-20.3%)

CPU Mark Rating
As of 15th of January 2025 - Higher results represent better performance
AMD Ryzen 3 3100
11,585
Intel Core i5-8400 @ 2.80GHz
9,233
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 15th of January 2025 - Higher results represent better value
AMD Ryzen 3 3100
85.8
Intel Core i5-8400 @ 2.80GHz
115.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 15th of January 2025 - Higher results represent better performance
AMD Ryzen 3 3100
2,418
Intel Core i5-8400 @ 2.80GHz
2,378
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 3 3100 Intel Core i5-8400 @ 2.80GHz
Max TDP65W65W
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.