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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II N640 Dual-Core vs AMD Phenom II N660 Dual-Core

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


×AMD Phenom II N640 Dual-Core×AMD Phenom II N660 Dual-Core+ ADD
Price$64.951$891
Socket TypeS1S1
CPU ClassLaptopLaptop
Clockspeed2.9 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
Max TDP35W35W
Yearly Running Cost$6.39$6.39
First Seen on ChartQ4 2010Q1 2011
# of Samples57124
Cross-Platform Rating02470
Single Thread Rating1039311673
CPU Mark9651065
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 25th of October 2020 - Higher results represent better performance
AMD Phenom II N640 Dual-Core
 965
AMD Phenom II N660 Dual-Core
 1,065
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 25th of October 2020 - Higher results represent better value
AMD Phenom II N640 Dual-Core
 14.86
AMD Phenom II N660 Dual-Core
 11.96
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 25th of October 2020 - Higher results represent better performance
AMD Phenom II N640 Dual-Core
 1,039
AMD Phenom II N660 Dual-Core
 1,167
PassMark Software © 2008-2020

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 Phenom II N640 Dual-CoreAMD Phenom II N660 Dual-Core
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.