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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6660U @ 2.40GHz vs Intel Core i7-6500U @ 2.50GHz

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


×Intel Core i7-6660U @ 2.40GHz×Intel Core i7-6500U @ 2.50GHz+ ADD
Price$4151$3931
Socket TypeFCBGA1356FCBGA1356
CPU ClassLaptopLaptop
Clockspeed2.4 GHz2.5 GHz
Turbo SpeedUp to 3.4 GHzUp to 3.1 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
Max TDP15W15W
Yearly Running Cost$2.74$2.74
First Seen on ChartQ2 2018Q2 2015
# of Samples115118
Single Thread Rating19831705
CPU Mark38513273
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of May 2022 - Higher results represent better performance
Intel Core i7-6660U @ 2.40GHz
 3,851
Intel Core i7-6500U @ 2.50GHz
 3,273
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 21st of May 2022 - Higher results represent better value
Intel Core i7-6660U @ 2.40GHz
 9.28
Intel Core i7-6500U @ 2.50GHz
 8.33
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 21st of May 2022 - Higher results represent better performance
Intel Core i7-6660U @ 2.40GHz
 1,983
Intel Core i7-6500U @ 2.50GHz
 1,705
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 i7-6660U @ 2.40GHzIntel Core i7-6500U @ 2.50GHz
Max TDP15W15W
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.