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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-6400T @ 2.20GHz vs AMD Athlon X4 840

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


×Intel Core i5-6400T @ 2.20GHz×AMD Athlon X4 840+ ADD
Price$159.991$124.951
Socket TypeLGA 1151FM2+
CPU ClassDesktopDesktop
Clockspeed2.2 GHz3.1 GHz
Turbo SpeedUp to 2.8 GHzUp to 3.8 GHz
# of Physical Cores4 (Threads: 4)4 (in 2 physical modules)
Max TDP35W65W
Yearly Running Cost$6.39$11.86
First Seen on ChartQ4 2015Q1 2015
# of Samples341223
Single Thread Rating16521482
CPU Mark43053287
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of June 2022 - Higher results represent better performance
Intel Core i5-6400T @ 2.20GHz
 4,305
AMD Athlon X4 840
 3,287
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 25th of June 2022 - Higher results represent better value
Intel Core i5-6400T @ 2.20GHz
 26.91
AMD Athlon X4 840
 26.30
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 25th of June 2022 - Higher results represent better performance
Intel Core i5-6400T @ 2.20GHz
 1,652
AMD Athlon X4 840
 1,482
PassMark Software © 2008-2022

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 i5-6400T @ 2.20GHzAMD Athlon X4 840
Max TDP35W65W
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.