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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Extreme X9000 @ 2.80GHz 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 Extreme X9000 @ 2.80GHz×Intel Core2 Duo P8400 @ 2.26GHz+ ADD
Price$409.951$297.011
Socket TypePGA478BGA479
CPU ClassLaptopLaptop
Clockspeed2.8 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP44W25W
Yearly Running Cost$8.03$4.56
First Seen on ChartQ1 2009Q4 2008
# of Samples641166
Cross-Platform Rating41052101
Single Thread Rating11229053
CPU Mark1266842

CPU Mark Rating
As of 9th of April 2020 - Higher results represent better performance
Intel Core2 Extreme X9000 @ 2.80GHz
1,266
Intel Core2 Duo P8400 @ 2.26GHz
842
CPU Value (CPU Mark / $Price)
As of 9th of April 2020 - Higher results represent better value
Intel Core2 Extreme X9000 @ 2.80GHz
3.09
Intel Core2 Duo P8400 @ 2.26GHz
2.83
CPU Single Thread Rating
As of 9th of April 2020 - Higher results represent better performance
Intel Core2 Extreme X9000 @ 2.80GHz
1,122
Intel Core2 Duo P8400 @ 2.26GHz
905

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 Extreme X9000 @ 2.80GHzIntel Core2 Duo P8400 @ 2.26GHz
Max TDP44W25W
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.