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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 Athlon 64 X2 QL-64×Intel Core2 Duo T6400 @ 2.00GHz+ ADD
PriceSearch Online$14.991
Socket TypeS1PGA478
CPU ClassLaptopLaptop
Clockspeed2.1 GHz2.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP35W35W
Yearly Running Cost$6.39$6.39
First Seen on ChartQ1 2009Q1 2009
# of Samples140747
Single Thread Rating583774
CPU Mark9901226

CPU Mark Rating
As of 23rd of November 2019 - Higher results represent better performance
AMD Athlon 64 X2 QL-64
 990
Intel Core2 Duo T6400 @ 2.00GHz
 1,226
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 23rd of November 2019 - Higher results represent better value
AMD Athlon 64 X2 QL-64
 NA
Intel Core2 Duo T6400 @ 2.00GHz
 81.79
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 23rd of November 2019 - Higher results represent better performance
AMD Athlon 64 X2 QL-64
 583
Intel Core2 Duo T6400 @ 2.00GHz
 774
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 Athlon 64 X2 QL-64Intel Core2 Duo T6400 @ 2.00GHz
Max TDP35W35W
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.