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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD A8-3800 APU vs Intel Core2 Quad Q8400 @ 2.66GHz

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


×AMD A8-3800 APU×Intel Core2 Quad Q8400 @ 2.66GHz+ ADD
Price$109.951$128.881
Socket TypeFM1LGA775
CPU ClassDesktopDesktop
Clockspeed2.4 GHz2.7 GHz
Turbo SpeedUp to 2.7 GHzNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP65W95W
Yearly Running Cost$11.86$17.34
First Seen on ChartQ2 2011Q2 2009
# of Samples1591523
Single Thread Rating10641154
CPU Mark19392036
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 16th of May 2022 - Higher results represent better performance
AMD A8-3800 APU
 1,939
Intel Core2 Quad Q8400 @ 2.66GHz
 2,036
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 16th of May 2022 - Higher results represent better value
AMD A8-3800 APU
 17.64
Intel Core2 Quad Q8400 @ 2.66GHz
 15.80
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 16th of May 2022 - Higher results represent better performance
AMD A8-3800 APU
 1,064
Intel Core2 Quad Q8400 @ 2.66GHz
 1,154
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.
AMD A8-3800 APUIntel Core2 Quad Q8400 @ 2.66GHz
Max TDP65W95W
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.