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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 Atom Z550 @ 2.00GHzIntel Atom Z540 @ 1.86GHz
PriceSearch OnlineSearch Online
Socket TypeBGA441BGA441
CPU ClassLaptopLaptop
Clockspeed2.0 GHz1.9 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (2 logical cores per physical)1 (2 logical cores per physical)
Max TDP2.4W2.4W
Yearly Running Cost$0.44$0.44
First Seen on ChartQ4 2009Q2 2009
# of Samples11
Single Thread RatingNANA
CPU Mark381348
CPU Mark Rating
As of 22nd of October 2019 - Higher results represent better performance
Intel Atom Z550 @ 2.00GHz
381
Intel Atom Z540 @ 1.86GHz
348

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 Atom Z550 @ 2.00GHzIntel Atom Z540 @ 1.86GHz
Max TDP2.4W2.4W
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.