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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Pentium 3558U @ 1.70GHz vs Intel Core2 Duo P8400 @ 2.26GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are 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 Cores2 (Threads: 2)2 (Threads: 2)
Max TDP15W25W
Yearly Running Cost$2.74$4.56
First Seen on ChartQ2 2014Q4 2008
# of Samples1511185
Cross-Platform Rating27242180
Single Thread Rating9359193
CPU Mark994835
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 5th of August 2020 - Higher results represent better performance
Intel Pentium 3558U @ 1.70GHz
 994
Intel Core2 Duo P8400 @ 2.26GHz
 835
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 5th of August 2020 - Higher results represent better value
Intel Pentium 3558U @ 1.70GHz
 NA
Intel Core2 Duo P8400 @ 2.26GHz
 2.81
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 5th of August 2020 - Higher results represent better performance
Intel Pentium 3558U @ 1.70GHz
 935
Intel Core2 Duo P8400 @ 2.26GHz
 919
PassMark Software © 2008-2020

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.