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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X2 B55 vs Intel Core2 Duo E7300 @ 2.66GHz

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

×AMD Phenom II X2 B55×Intel Core2 Duo E7300 @ 2.66GHz+ ADD
Price$47.951$11.951
Socket TypeAM3LGA775
CPU ClassDesktopDesktop
Clockspeed3.0 GHz2.7 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 ChartQ4 2009Q4 2008
# of Samples60768
Cross-Platform Rating31652312
Single Thread Rating1251310953
CPU Mark1216929
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 27th of September 2020 - Higher results represent better performance
AMD Phenom II X2 B55
1,216
Intel Core2 Duo E7300 @ 2.66GHz
929
CPU Value (CPU Mark / $Price)
As of 27th of September 2020 - Higher results represent better value
AMD Phenom II X2 B55
25.37
Intel Core2 Duo E7300 @ 2.66GHz
77.76
CPU Single Thread Rating
As of 27th of September 2020 - Higher results represent better performance
AMD Phenom II X2 B55
1,251
Intel Core2 Duo E7300 @ 2.66GHz
1,095

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 B55Intel Core2 Duo E7300 @ 2.66GHz
Max TDP80W65W
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.