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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-5257U @ 2.70GHz vs Intel Core i7-5557U @ 3.10GHz

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


×Intel Core i5-5257U @ 2.70GHz×Intel Core i7-5557U @ 3.10GHz+ ADD
PriceSearch Online$605.991
Socket TypeFCBGA1168FCBGA1168
CPU ClassLaptopLaptop
Clockspeed2.7 GHz3.1 GHz
Turbo SpeedUp to 3.1 GHzUp to 3.4 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
Max TDP23W28W
Yearly Running Cost$4.20$5.11
First Seen on ChartQ1 2015Q1 2015
# of Samples196275
Cross-Platform Rating56856662
Single Thread Rating18342088
CPU Mark30163442
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of April 2021 - Higher results represent better performance
Intel Core i5-5257U @ 2.70GHz
 3,016
Intel Core i7-5557U @ 3.10GHz
 3,442
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 21st of April 2021 - Higher results represent better value
Intel Core i5-5257U @ 2.70GHz
 NA
Intel Core i7-5557U @ 3.10GHz
 5.68
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 21st of April 2021 - Higher results represent better performance
Intel Core i5-5257U @ 2.70GHz
 1,834
Intel Core i7-5557U @ 3.10GHz
 2,088
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 i5-5257U @ 2.70GHzIntel Core i7-5557U @ 3.10GHz
Max TDP23W28W
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.