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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Extreme X9100 @ 3.06GHz 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 X9100 @ 3.06GHz×Intel Core2 Duo P8400 @ 2.26GHz+ ADD
Price$8511$297.011
Socket TypePGA478BGA479
CPU ClassLaptopLaptop
Clockspeed3.1 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
Max TDP44W25W
Yearly Running Cost$8.03$4.56
First Seen on ChartQ4 2008Q4 2008
# of Samples981244
Single Thread Rating111339213
CPU Mark1087827
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 26th of June 2022 - Higher results represent better performance
Intel Core2 Extreme X9100 @ 3.06GHz
 1,087
Intel Core2 Duo P8400 @ 2.26GHz
 827
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 26th of June 2022 - Higher results represent better value
Intel Core2 Extreme X9100 @ 3.06GHz
 1.28
Intel Core2 Duo P8400 @ 2.26GHz
 2.79
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 26th of June 2022 - Higher results represent better performance
Intel Core2 Extreme X9100 @ 3.06GHz
 1,113
Intel Core2 Duo P8400 @ 2.26GHz
 921
PassMark Software © 2008-2022

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 X9100 @ 3.06GHzIntel Core2 Duo P8400 @ 2.26GHz
Max TDP44W25W
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.