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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom X3 8550 vs Intel Core2 Duo E8400 @ 3.00GHz

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


×AMD Phenom X3 8550×Intel Core2 Duo E8400 @ 3.00GHz+ ADD
Price$169.951$35.51
Socket TypeAM2/AM2+LGA775
CPU ClassDesktopDesktop
Clockspeed2.2 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)2 (Threads: 2)
Max TDP95W65W
Yearly Running Cost$17.34$11.86
First Seen on ChartQ2 2009Q4 2008
# of Samples726795
Cross-Platform Rating03399
Single Thread Rating84712353
CPU Mark12121145
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 22nd of January 2021 - Higher results represent better performance
AMD Phenom X3 8550
 1,212
Intel Core2 Duo E8400 @ 3.00GHz
 1,145
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 22nd of January 2021 - Higher results represent better value
AMD Phenom X3 8550
 7.13
Intel Core2 Duo E8400 @ 3.00GHz
 32.25
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 22nd of January 2021 - Higher results represent better performance
AMD Phenom X3 8550
 847
Intel Core2 Duo E8400 @ 3.00GHz
 1,235
PassMark Software © 2008-2021

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 Phenom X3 8550Intel Core2 Duo E8400 @ 3.00GHz
Max TDP95W65W
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.