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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-7640X vs i3-8100

The Intel Core i3-8100 @ 3.60GHz is newer than Intel Core i5-7640X @ 4.00GHz, while Intel Core i5-7640X @ 4.00GHz is around 11% faster in multi-threaded (CPU Mark) testing, it is around 12% faster in single-thread testing. However, Intel Core i3-8100 @ 3.60GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 3352 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 i5-7640X @ 4.00GHz×Intel Core i3-8100 @ 3.60GHz+ ADD
Price $76.4 - BUY $59.99 - BUY
Socket TypeFCLGA2066FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed4.0 GHz3.6 GHz
Turbo SpeedUp to 4.2 GHzNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 256KB, L2: 1.0MB, L3: 6MB
TDP112W65W
Yearly Running Cost$20.44$11.86
OtherIntel UHD Graphics 630
First Seen on ChartQ3 2017Q4 2017
# of Samples453307
CPU Value89.6101.9
Single Thread Rating(% diff. to max in group)2532(0.0%)2218(-12.4%)
CPU Mark(% diff. to max in group)6844(0.0%)6111(-10.7%)

CPU Mark Rating
As of 27th of July 2024 - Higher results represent better performance
Intel Core i5-7640X @ 4.00GHz
6,844
Intel Core i3-8100 @ 3.60GHz
6,111
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 27th of July 2024 - Higher results represent better value
Intel Core i5-7640X @ 4.00GHz
89.6
Intel Core i3-8100 @ 3.60GHz
101.9
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 27th of July 2024 - Higher results represent better performance
Intel Core i5-7640X @ 4.00GHz
2,532
Intel Core i3-8100 @ 3.60GHz
2,218
PassMark Software © 2008-2024

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 i5-7640X @ 4.00GHzIntel Core i3-8100 @ 3.60GHz
Max TDP112W65W
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.