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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.


AMD Turion II Ultra Dual-Core Mobile M640Intel Core2 Duo P7550 @ 2.26GHz
PriceSearch Online$229.991
Socket TypeS1PGA478
CPU ClassLaptopLaptop
Clockspeed2.6 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP35W25W
Yearly Running Cost$6.39$4.56
First Seen on ChartQ4 2009Q2 2009
# of Samples15110
Single Thread Rating915894
CPU Mark16701518
CPU Mark Rating
As of 20th of October 2019 - Higher results represent better performance
AMD Turion II Ultra Dual-Core Mobile M640
 1,670
Intel Core2 Duo P7550 @ 2.26GHz
 1,518
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 20th of October 2019 - Higher results represent better value
AMD Turion II Ultra Dual-Core Mobile M640
 NA
Intel Core2 Duo P7550 @ 2.26GHz
 6.60
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 20th of October 2019 - Higher results represent better performance
AMD Turion II Ultra Dual-Core Mobile M640
 915
Intel Core2 Duo P7550 @ 2.26GHz
 894
PassMark Software © 2008-2019

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.
AMD Turion II Ultra Dual-Core Mobile M640Intel Core2 Duo P7550 @ 2.26GHz
Max TDP35W25W
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.