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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Pentium G840 @ 2.80GHz vs AMD Phenom II X2 555

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

×Intel Pentium G840 @ 2.80GHz×AMD Phenom II X2 555+ ADD
Price$34.991$27.981
Socket TypeFCLGA1155AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP65W80W
Yearly Running Cost$11.86$14.60
First Seen on ChartQ2 2011Q1 2010
# of Samples199436
Single Thread Rating12651286
CPU Mark14201336

CPU Mark Rating
As of 1st of April 2020 - Higher results represent better performance
Intel Pentium G840 @ 2.80GHz
1,420
AMD Phenom II X2 555
1,336
CPU Value (CPU Mark / $Price)
As of 1st of April 2020 - Higher results represent better value
Intel Pentium G840 @ 2.80GHz
40.58
AMD Phenom II X2 555
47.75
CPU Single Thread Rating
As of 1st of April 2020 - Higher results represent better performance
Intel Pentium G840 @ 2.80GHz
1,265
AMD Phenom II X2 555
1,286

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.
Intel Pentium G840 @ 2.80GHzAMD Phenom II X2 555
Max TDP65W80W
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.