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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$689.99
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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 Samples175270
Cross-Platform Rating61177593
Single Thread Rating17982111
CPU Mark29333558

CPU Mark Rating
As of 21st of September 2020 - Higher results represent better performance
Intel Core i5-5257U @ 2.70GHz
2,933
Intel Core i7-5557U @ 3.10GHz
3,558
CPU Value (CPU Mark / $Price)
As of 21st of September 2020 - Higher results represent better value
Intel Core i5-5257U @ 2.70GHz
NA
Intel Core i7-5557U @ 3.10GHz
5.16
CPU Single Thread Rating
As of 21st of September 2020 - Higher results represent better performance
Intel Core i5-5257U @ 2.70GHz
1,798
Intel Core i7-5557U @ 3.10GHz
2,111

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.