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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-6400 @ 2.70GHz vs Intel Core i5-12400 vs AMD Ryzen 5 5500

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

  • 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 i5-6400 @ 2.70GHz×Intel Core i5-12400×AMD Ryzen 5 5500+ ADD
Price $79.8 - BUY Search Online $84.99 - BUY
Socket TypeLGA 1151LGA 1700AM4
CPU ClassDesktopDesktopDesktop
Clockspeed2.7 GHz2.5 GHz3.6 GHz
Turbo SpeedUp to 3.3 GHzUp to 4.4 GHzUp to 4.2 GHz
# of Physical Cores4 (Threads: 4)6 (Threads: 12)6 (Threads: 12)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 480KB, L2: 7.5MB, L3: 18MBL1: 384KB, L2: 3.0MB, L3: 16MB
TDP65W65W65W
Yearly Running Cost$11.86$11.86$11.86
OtherIntel UHD Graphics 730
First Seen on ChartQ3 2015Q1 2022Q2 2022
# of Samples443517362297
CPU Value64.8101.4229.8
Single Thread Rating(% diff. to max in group)1962(-44.5%)3538(0.0%)3062(-13.5%)
CPU Mark(% diff. to max in group)5167(-73.5%)19463(-0.3%)19527(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of December 2023 - Higher results represent better performance
Intel Core i5-6400 @ 2.70GHz
5,167
Intel Core i5-12400
19,463
AMD Ryzen 5 5500
19,527
PassMark Software © 2008-2023
CPU Value (CPU Mark / $Price)
As of 6th of December 2023 - Higher results represent better value
Intel Core i5-6400 @ 2.70GHz
64.8
Intel Core i5-12400
101.4
AMD Ryzen 5 5500
229.8
PassMark Software © 2008-2023
CPU Single Thread Rating
As of 6th of December 2023 - Higher results represent better performance
Intel Core i5-6400 @ 2.70GHz
1,962
Intel Core i5-12400
3,538
AMD Ryzen 5 5500
3,062
PassMark Software © 2008-2023

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 i5-6400 @ 2.70GHzIntel Core i5-12400AMD Ryzen 5 5500
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.