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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Atom N455 @ 1.66GHz vs Intel Atom Z520 @ 1.33GHz

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

×Intel Atom N455 @ 1.66GHz×Intel Atom Z520 @ 1.33GHz+ ADD
PriceSearch OnlineSearch Online
Socket TypeBGA559BGA441
CPU ClassLaptopLaptop
Clockspeed1.7 GHz1.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 2)1 (Threads: 2)
Max TDP6.5W2W
Yearly Running Cost$1.19$0.37
First Seen on ChartQ2 2010Q2 2009
# of Samples11721
Cross-Platform Rating00
Single Thread Rating2583145
CPU Mark162156
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 27th of January 2021 - Higher results represent better performance
Intel Atom N455 @ 1.66GHz
162
Intel Atom Z520 @ 1.33GHz
156
CPU Single Thread Rating
As of 27th of January 2021 - Higher results represent better performance
Intel Atom N455 @ 1.66GHz
258
Intel Atom Z520 @ 1.33GHz
145

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 N455 @ 1.66GHzIntel Atom Z520 @ 1.33GHz
Max TDP6.5W2W
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.