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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X2 550 vs Intel Core2 Duo E8300 @ 2.83GHz

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


×AMD Phenom II X2 550×Intel Core2 Duo E8300 @ 2.83GHz+ ADD
Price$180.031$19.991
Socket TypeAM2+/AM3LGA775
CPU ClassDesktopDesktop
Clockspeed3.1 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
Max TDP80W65W
Yearly Running Cost$14.60$11.86
First Seen on ChartQ2 2009Q4 2008
# of Samples436196
Cross-Platform Rating27983053
Single Thread Rating1237311693
CPU Mark11481034
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 26th of January 2021 - Higher results represent better performance
AMD Phenom II X2 550
 1,148
Intel Core2 Duo E8300 @ 2.83GHz
 1,034
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 26th of January 2021 - Higher results represent better value
AMD Phenom II X2 550
 6.38
Intel Core2 Duo E8300 @ 2.83GHz
 51.71
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 26th of January 2021 - Higher results represent better performance
AMD Phenom II X2 550
 1,237
Intel Core2 Duo E8300 @ 2.83GHz
 1,169
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 II X2 550Intel Core2 Duo E8300 @ 2.83GHz
Max TDP80W65W
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Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.