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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$49.951$1401
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 Samples616889
Cross-Platform Rating36363465
Single Thread Rating115412453
CPU Mark14851163
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 25th of October 2021 - Higher results represent better performance
AMD Phenom II X3 B75
1,485
Intel Core2 Duo E8400 @ 3.00GHz
1,163
CPU Value (CPU Mark / $Price)
As of 25th of October 2021 - Higher results represent better value
AMD Phenom II X3 B75
29.72
Intel Core2 Duo E8400 @ 3.00GHz
8.31
CPU Single Thread Rating
As of 25th of October 2021 - Higher results represent better performance
AMD Phenom II X3 B75
1,154
Intel Core2 Duo E8400 @ 3.00GHz
1,245

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)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.