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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon X4 750K Quad vs Intel i5-8400 vs i3-8100

The values below were tabulated from a combined 11828 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 Athlon X4 750K Quad Core×Intel Core i5-8400 @ 2.80GHz×Intel Core i3-8100 @ 3.60GHz+ ADD
Price Search Online Search Online Search Online
Socket TypeFM2FCLGA1151-2FCLGA1151-2
CPU ClassNA2DesktopDesktop
Clockspeed3.4 GHz2.8 GHz3.6 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.0 GHzNot Supported
# of Physical Cores4 (in 2 physical modules)6 (Threads: 6)4 (Threads: 4)
CacheL1: 320KB, L2: 8.0MB, L1: 384KB, L2: 1.5MB, L3: 9MBL1: 256KB, L2: 1.0MB, L3: 6MB
TDP100W65W65W
Yearly Running Cost$18.25$11.86$11.86
OtherIntel UHD Graphics 630Intel UHD Graphics 630
First Seen on ChartQ4 2012Q4 2017Q4 2017
# of Samples46175583809
CPU Value15.10.00.0
Single Thread Rating(% diff. to max in group)1467(-38.2%)2373(0.0%)2207(-7.0%)
CPU Mark(% diff. to max in group)2883(-68.7%)9222(0.0%)6097(-33.9%)
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 25th of April 2025 - Higher results represent better performance
AMD Athlon X4 750K Quad Core
2,883
Intel Core i5-8400 @ 2.80GHz
9,222
Intel Core i3-8100 @ 3.60GHz
6,097
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 25th of April 2025 - Higher results represent better value
AMD Athlon X4 750K Quad Core
15.1
Intel Core i5-8400 @ 2.80GHz
NA
Intel Core i3-8100 @ 3.60GHz
NA
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 25th of April 2025 - Higher results represent better performance
AMD Athlon X4 750K Quad Core
1,467
Intel Core i5-8400 @ 2.80GHz
2,373
Intel Core i3-8100 @ 3.60GHz
2,207
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 Athlon X4 750K Quad Core Intel Core i5-8400 @ 2.80GHz Intel Core i3-8100 @ 3.60GHz
Max TDP100W65W65W
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.