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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6900K @ 3.20GHz vs Intel Core i9-9900T @ 2.10GHz

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


×Intel Core i7-6900K @ 3.20GHz×Intel Core i9-9900T @ 2.10GHz+ ADD
Price$569.99
BUY NOW!		$4391
Socket TypeFCLGA2011-3FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.2 GHz2.1 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.4 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
Max TDP140W35W
Yearly Running Cost$25.55$6.39
First Seen on ChartQ2 2016Q4 2019
# of Samples43716
Cross-Platform Rating3137826546
Single Thread Rating23832484
CPU Mark1389413993
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 16th of April 2021 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
 13,894
Intel Core i9-9900T @ 2.10GHz
 13,993
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 16th of April 2021 - Higher results represent better value
Intel Core i7-6900K @ 3.20GHz
 24.38
Intel Core i9-9900T @ 2.10GHz
 31.87
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 16th of April 2021 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
 2,383
Intel Core i9-9900T @ 2.10GHz
 2,484
PassMark Software © 2008-2021

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 i7-6900K @ 3.20GHzIntel Core i9-9900T @ 2.10GHz
Max TDP140W35W
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.