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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.


Intel Core i5-5257U @ 2.70GHzIntel Core i7-5557U @ 3.10GHz
PriceSearch Online$7051
Socket TypeFCBGA1168FCBGA1168
CPU ClassLaptopLaptop
Clockspeed2.7 GHz3.1 GHz
Turbo SpeedUp to 3.1 GHzUp to 3.4 GHz
# of Physical Cores2 (2 logical cores per physical)2 (2 logical cores per physical)
Max TDP23W28W
Yearly Running Cost$4.20$5.11
First Seen on ChartQ1 2015Q1 2015
# of Samples153257
Single Thread Rating17021893
CPU Mark44094952
CPU Mark Rating
As of 20th of October 2019 - Higher results represent better performance
Intel Core i5-5257U @ 2.70GHz
 4,409
Intel Core i7-5557U @ 3.10GHz
 4,952
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 20th of October 2019 - Higher results represent better value
Intel Core i5-5257U @ 2.70GHz
 NA
Intel Core i7-5557U @ 3.10GHz
 7.03
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 20th of October 2019 - Higher results represent better performance
Intel Core i5-5257U @ 2.70GHz
 1,702
Intel Core i7-5557U @ 3.10GHz
 1,893
PassMark Software © 2008-2019

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 i5-5257U @ 2.70GHzIntel Core i7-5557U @ 3.10GHz
Max TDP23W28W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.