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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-6500 vs i5-8500 vs i5-8400

All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 20667 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 i5-6500 @ 3.20GHz×Intel Core i5-8500 @ 3.00GHz×Intel Core i5-8400 @ 2.80GHz+ ADD
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Socket TypeLGA 1151FCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktopDesktop
Clockspeed3.2 GHz3.0 GHz2.8 GHz
Turbo SpeedUp to 3.6 GHzUp to 4.1 GHzUp to 4.0 GHz
# of Physical Cores4 (Threads: 4)6 (Threads: 6)6 (Threads: 6)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 384KB, L2: 1.5MB, L3: 9MBL1: 384KB, L2: 1.5MB, L3: 9MB
TDP65W65W65W
Yearly Running Cost$11.86$11.86$11.86
OtherIntel UHD Graphics 630Intel UHD Graphics 630
First Seen on ChartQ3 2015Q1 2018Q4 2017
# of Samples965534547558
CPU Value0.00.00.0
Single Thread Rating(% diff. to max in group)2100(-14.1%)2444(0.0%)2373(-2.9%)
CPU Mark(% diff. to max in group)5618(-41.1%)9536(0.0%)9222(-3.3%)

CPU Mark Rating
As of 25th of April 2025 - Higher results represent better performance
Intel Core i5-6500 @ 3.20GHz
5,618
Intel Core i5-8500 @ 3.00GHz
9,536
Intel Core i5-8400 @ 2.80GHz
9,222
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 25th of April 2025 - Higher results represent better performance
Intel Core i5-6500 @ 3.20GHz
2,100
Intel Core i5-8500 @ 3.00GHz
2,444
Intel Core i5-8400 @ 2.80GHz
2,373
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 i5-6500 @ 3.20GHz Intel Core i5-8500 @ 3.00GHz Intel Core i5-8400 @ 2.80GHz
Max TDP65W65W65W
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.