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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Duo P7550 @ 2.26GHz 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 Core2 Duo P7550 @ 2.26GHz×Intel Core2 Duo P8400 @ 2.26GHz+ ADD
Price$229.991$297.011
Socket TypePGA478BGA479
CPU ClassLaptopLaptop
Clockspeed2.3 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
Max TDP25W25W
Yearly Running Cost$4.56$4.56
First Seen on ChartQ2 2009Q4 2008
# of Samples1121215
Cross-Platform Rating24632160
Single Thread Rating95139213
CPU Mark915820
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 21st of April 2021 - Higher results represent better performance
Intel Core2 Duo P7550 @ 2.26GHz
 915
Intel Core2 Duo P8400 @ 2.26GHz
 820
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 21st of April 2021 - Higher results represent better value
Intel Core2 Duo P7550 @ 2.26GHz
 3.98
Intel Core2 Duo P8400 @ 2.26GHz
 2.76
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 21st of April 2021 - Higher results represent better performance
Intel Core2 Duo P7550 @ 2.26GHz
 951
Intel Core2 Duo P8400 @ 2.26GHz
 921
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 Core2 Duo P7550 @ 2.26GHzIntel Core2 Duo P8400 @ 2.26GHz
Max TDP25W25W
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.