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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X3 B75 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 II X3 B75×Intel Core2 Duo E8400 @ 3.00GHz+ ADD
Price$39.991$35.5
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Socket TypeAM3LGA775
CPU ClassDesktopDesktop
Clockspeed3.0 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 Samples596716
Cross-Platform Rating35213431
Single Thread Rating114212433
CPU Mark14651158
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 15th of August 2020 - Higher results represent better performance
AMD Phenom II X3 B75
1,465
Intel Core2 Duo E8400 @ 3.00GHz
1,158
CPU Value (CPU Mark / $Price)
As of 15th of August 2020 - Higher results represent better value
AMD Phenom II X3 B75
36.64
Intel Core2 Duo E8400 @ 3.00GHz
32.62
CPU Single Thread Rating
As of 15th of August 2020 - Higher results represent better performance
AMD Phenom II X3 B75
1,142
Intel Core2 Duo E8400 @ 3.00GHz
1,243

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 X3 B75Intel 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.