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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i3-8100B vs i5-9400

The Intel Core i5-9400 @ 2.90GHz is newer than Intel Core i3-8100B @ 3.60GHz also around 36% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. Both CPUs operates at simliar power levels (TDP). The CPUs selected in this comparison belong in different CPU Classes: Laptop, Desktop. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 2023 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 i3-8100B @ 3.60GHz×Intel Core i5-9400 @ 2.90GHz+ ADD
Price Search Online $135.93 - BUY
Socket TypeFCBGA1440FCLGA1151-2
CPU ClassLaptopDesktop
Clockspeed3.6 GHz2.9 GHz
Turbo SpeedNA2Up to 4.1 GHz
# of Physical Cores4 (Threads: 4)6 (Threads: 6)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 384KB, L2: 1.5MB, L3: 9MB
TDP65W65W
Yearly Running Cost$11.86$11.86
OtherIntel UHD Graphics 630Intel UHD Graphics 630
First Seen on ChartQ1 2019Q1 2019
# of Samples1291894
CPU Value44.969.1
Single Thread Rating(% diff. to max in group)2327(-4.5%)2435(0.0%)
CPU Mark(% diff. to max in group)5976(-36.4%)9395(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 1st of March 2025 - Higher results represent better performance
Intel Core i3-8100B @ 3.60GHz
5,976
Intel Core i5-9400 @ 2.90GHz
9,395
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 1st of March 2025 - Higher results represent better value
Intel Core i3-8100B @ 3.60GHz
44.9
Intel Core i5-9400 @ 2.90GHz
69.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 1st of March 2025 - Higher results represent better performance
Intel Core i3-8100B @ 3.60GHz
2,327
Intel Core i5-9400 @ 2.90GHz
2,435
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.
Intel Core i3-8100B @ 3.60GHz Intel Core i5-9400 @ 2.90GHz
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.