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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 Pentium 977 @ 1.40GHz×Intel Celeron B820 @ 1.70GHz+ ADD
PriceSearch Online$39.291
Socket TypeFCBGA1023PGA988B
CPU ClassLaptopLaptop
Clockspeed1.4 GHz1.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP17W35W
Yearly Running Cost$3.10$6.39
First Seen on ChartQ2 2012Q2 2012
# of Samples1263
Single Thread RatingNA826
CPU Mark11481431

CPU Mark Rating
As of 10th of December 2019 - Higher results represent better performance
Intel Pentium 977 @ 1.40GHz
1,148
Intel Celeron B820 @ 1.70GHz
1,431
CPU Value (CPU Mark / $Price)
As of 10th of December 2019 - Higher results represent better value
Intel Pentium 977 @ 1.40GHz
NA
Intel Celeron B820 @ 1.70GHz
36.44
CPU Single Thread Rating
As of 10th of December 2019 - Higher results represent better performance
Intel Pentium 977 @ 1.40GHz
NA
Intel Celeron B820 @ 1.70GHz
826

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 Pentium 977 @ 1.40GHzIntel Celeron B820 @ 1.70GHz
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.