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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X4 820 vs AMD Phenom II X4 B97

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

×AMD Phenom II X4 820×AMD Phenom II X4 B97+ ADD
Price$64.951$79.951
Socket TypeAM3AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ4 2009Q2 2010
# of Samples212101
Cross-Platform Rating48836066
Single Thread Rating11251325
CPU Mark20342466
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 2nd of December 2020 - Higher results represent better performance
AMD Phenom II X4 820
2,034
AMD Phenom II X4 B97
2,466
CPU Value (CPU Mark / $Price)
As of 2nd of December 2020 - Higher results represent better value
AMD Phenom II X4 820
31.32
AMD Phenom II X4 B97
30.85
CPU Single Thread Rating
As of 2nd of December 2020 - Higher results represent better performance
AMD Phenom II X4 820
1,125
AMD Phenom II X4 B97
1,325

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 X4 820AMD Phenom II X4 B97
Max TDP95W95W
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.