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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.


Intel Core i7-640UM @ 1.20GHzAMD A6-3400M APU
PriceSearch Online$29.971
Socket TypeBGA1288FS1
CPU ClassLaptopLaptop
Clockspeed2.3 GHz1.4 GHz
Turbo SpeedUp to 2.3 GHzUp to 2.3 GHz
# of Physical Cores2 (2 logical cores per physical)4
Max TDP18W35W
Yearly Running Cost$3.29$6.39
First Seen on ChartQ2 2010Q2 2011
# of Samples52619
Single Thread Rating804539
CPU Mark16381888
CPU Mark Rating
As of 15th of October 2019 - Higher results represent better performance
Intel Core i7-640UM @ 1.20GHz
 1,638
AMD A6-3400M APU
 1,888
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 15th of October 2019 - Higher results represent better value
Intel Core i7-640UM @ 1.20GHz
 NA
AMD A6-3400M APU
 63.01
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 15th of October 2019 - Higher results represent better performance
Intel Core i7-640UM @ 1.20GHz
 804
AMD A6-3400M APU
 539
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.
Intel Core i7-640UM @ 1.20GHzAMD A6-3400M APU
Max TDP18W35W
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.