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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Pentium D 805 @ 2.66GHz vs AMD Sempron 3400+

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


×Intel Pentium D 805 @ 2.66GHz×AMD Sempron 3400++ ADD
PriceSearch Online$86.681
Socket TypePLGA775AM2
CPU ClassDesktopDesktop
Clockspeed2.7 GHz2.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)1 (Threads: 1)
Max TDP95W62W
Yearly Running Cost$17.34$11.32
First Seen on ChartQ4 2008Q4 2008
# of Samples136103
Single Thread Rating(% diff. to max in group)4973(0.0%)3463(-30.4%)
CPU Mark(% diff. to max in group)374(0.0%)292(-21.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
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 2nd of July 2022 - Higher results represent better performance
Intel Pentium D 805 @ 2.66GHz
 374
AMD Sempron 3400+
 292
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 2nd of July 2022 - Higher results represent better value
Intel Pentium D 805 @ 2.66GHz
 NA
AMD Sempron 3400+
 3.37
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 2nd of July 2022 - Higher results represent better performance
Intel Pentium D 805 @ 2.66GHz
 497
AMD Sempron 3400+
 346
PassMark Software © 2008-2022

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 D 805 @ 2.66GHzAMD Sempron 3400+
Max TDP95W62W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.