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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 Z670 @ 1.50GHzIntel Atom N455 @ 1.66GHz
PriceSearch OnlineSearch Online
Socket TypeBGA518BGA559
CPU ClassLaptopLaptop
Clockspeed1.5 GHz1.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (2 logical cores per physical)1 (2 logical cores per physical)
Max TDP3W6.5W
Yearly Running Cost$0.55$1.19
First Seen on ChartQ2 2011Q2 2010
# of Samples4110
Single Thread Rating200240
CPU Mark243283


CPU Mark Rating
As of 25th of May 2019 - Higher results represent better performance
Intel Atom Z670 @ 1.50GHz
243
Intel Atom N455 @ 1.66GHz
283
Intel Core i9-9900K @ 3.60GHz
20,205
AMD Ryzen 7 2700X
16,981
Intel Core i7-8700K @ 3.70GHz
15,963
Intel Core i7-8700 @ 3.20GHz
15,149
AMD Ryzen 7 1700
13,767
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 25th of May 2019 - Higher results represent better value
Intel Atom Z670 @ 1.50GHz
NA
Intel Atom N455 @ 1.66GHz
NA
Intel Core i9-9900K @ 3.60GHz
41.66
AMD Ryzen 7 2700X
59.58
Intel Core i7-8700K @ 3.70GHz
44.34
Intel Core i7-8700 @ 3.20GHz
50.50
AMD Ryzen 7 1700
80.74
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 25th of May 2019 - Higher results represent better performance
Intel Atom Z670 @ 1.50GHz
200
Intel Atom N455 @ 1.66GHz
240
Intel Core i9-9900K @ 3.60GHz
2,901
AMD Ryzen 7 2700X
2,192
Intel Core i7-8700K @ 3.70GHz
2,702
Intel Core i7-8700 @ 3.20GHz
2,630
AMD Ryzen 7 1700
1,775
PassMark Software © 2008-2019





Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day
Average CPU Utilization (0-100%)1
Power 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 Z670 @ 1.50GHzIntel Atom N455 @ 1.66GHz
Max TDP3W6.5W
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.


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