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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Extreme X7900 @ 2.80GHz vs Intel Core2 Duo P7450 @ 2.13GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

×Intel Core2 Extreme X7900 @ 2.80GHz×Intel Core2 Duo P7450 @ 2.13GHz+ ADD
PriceSearch Online$39.991
Socket TypePGA478PGA478
CPU ClassLaptopLaptop
Clockspeed2.8 GHz2.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP44W25W
Yearly Running Cost$8.03$4.56
First Seen on ChartQ1 2009Q1 2009
# of Samples38413
Single Thread Rating981833
CPU Mark16921417

CPU Mark Rating
As of 22nd of February 2020 - Higher results represent better performance
Intel Core2 Extreme X7900 @ 2.80GHz
1,692
Intel Core2 Duo P7450 @ 2.13GHz
1,417
CPU Value (CPU Mark / $Price)
As of 22nd of February 2020 - Higher results represent better value
Intel Core2 Extreme X7900 @ 2.80GHz
NA
Intel Core2 Duo P7450 @ 2.13GHz
35.45
CPU Single Thread Rating
As of 22nd of February 2020 - Higher results represent better performance
Intel Core2 Extreme X7900 @ 2.80GHz
981
Intel Core2 Duo P7450 @ 2.13GHz
833

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 X7900 @ 2.80GHzIntel Core2 Duo P7450 @ 2.13GHz
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.