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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 Pentium 3558U @ 1.70GHz×Intel Core2 Duo P8400 @ 2.26GHz+ ADD
PriceSearch Online$297.011
Socket TypeFCBGA1168BGA479
CPU ClassLaptopLaptop
Clockspeed1.7 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP15W25W
Yearly Running Cost$2.74$4.56
First Seen on ChartQ2 2014Q4 2008
# of Samples1411147
Single Thread Rating938904
CPU Mark16721453

CPU Mark Rating
As of 22nd of November 2019 - Higher results represent better performance
Intel Pentium 3558U @ 1.70GHz
 1,672
Intel Core2 Duo P8400 @ 2.26GHz
 1,453
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 22nd of November 2019 - Higher results represent better value
Intel Pentium 3558U @ 1.70GHz
 NA
Intel Core2 Duo P8400 @ 2.26GHz
 4.89
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 22nd of November 2019 - Higher results represent better performance
Intel Pentium 3558U @ 1.70GHz
 938
Intel Core2 Duo P8400 @ 2.26GHz
 904
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 Pentium 3558U @ 1.70GHzIntel Core2 Duo P8400 @ 2.26GHz
Max TDP15W25W
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.