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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i3-8121U @ 2.20GHz vs Intel Core i7-6660U @ 2.40GHz

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 i3-8121U @ 2.20GHz×Intel Core i7-6660U @ 2.40GHz+ ADD
Price$2901$4151
Socket TypeNA2FCBGA1356
CPU ClassLaptopLaptop
Clockspeed2.2 GHz2.4 GHz
Turbo SpeedUp to 3.2 GHzUp to 3.4 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 4MBL1: 64KB, L2: 0.3MB, L3: 4MB
Max TDP15W15W
Yearly Running Cost$2.74$2.74
OtherIntel Iris Graphics 540
First Seen on ChartQ4 2018Q3 2018
# of Samples2816
Single Thread Rating(% diff. to max in group)1937(-0.5%)1948(0.0%)
CPU Mark(% diff. to max in group)4393(0.0%)3753(-14.6%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 3rd of December 2022 - Higher results represent better performance
Intel Core i3-8121U @ 2.20GHz
 4,393
Intel Core i7-6660U @ 2.40GHz
 3,753
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 3rd of December 2022 - Higher results represent better value
Intel Core i3-8121U @ 2.20GHz
 15.15
Intel Core i7-6660U @ 2.40GHz
 9.04
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 3rd of December 2022 - Higher results represent better performance
Intel Core i3-8121U @ 2.20GHz
 1,937
Intel Core i7-6660U @ 2.40GHz
 1,948
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 i3-8121U @ 2.20GHzIntel Core i7-6660U @ 2.40GHz
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.