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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 Celeron 857 @ 1.20GHzIntel Celeron B815 @ 1.60GHz
PriceSearch OnlineSearch Online
Socket TypeBGA1023PGA988B
CPU ClassLaptopLaptop
Clockspeed1.2 GHz1.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP17W35W
Yearly Running Cost$3.10$6.39
First Seen on ChartQ4 2011Q1 2012
# of Samples10241
Single Thread Rating635794
CPU Mark11461363
CPU Mark Rating
As of 15th of October 2019 - Higher results represent better performance
Intel Celeron 857 @ 1.20GHz
 1,146
Intel Celeron B815 @ 1.60GHz
 1,363
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 15th of October 2019 - Higher results represent better performance
Intel Celeron 857 @ 1.20GHz
 635
Intel Celeron B815 @ 1.60GHz
 794
PassMark Software © 2008-2019

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 Celeron 857 @ 1.20GHzIntel Celeron B815 @ 1.60GHz
Max TDP17W35W
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.