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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 Z520 @ 1.33GHz×Intel Celeron M 900MHz+ ADD
PriceSearch OnlineSearch Online
Socket TypeBGA441NA2
CPU ClassLaptopLaptop
Clockspeed1.3 GHz0.9 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (2 logical cores per physical)1
Max TDP2WNA2
Yearly Running Cost$0.37NA
First Seen on ChartQ2 2009Q1 2009
# of Samples1912
Single Thread Rating1962643
CPU Mark217204

CPU Mark Rating
As of 15th of November 2019 - Higher results represent better performance
Intel Atom Z520 @ 1.33GHz
217
Intel Celeron M 900MHz
204
CPU Single Thread Rating
As of 15th of November 2019 - Higher results represent better performance
Intel Atom Z520 @ 1.33GHz
196
Intel Celeron M 900MHz
264

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 Z520 @ 1.33GHzIntel Celeron M 900MHz
Max TDP2WNA
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.