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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X4 920 vs AMD Phenom 9550 Quad-Core

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


×AMD Phenom II X4 920×AMD Phenom 9550 Quad-Core+ ADD
Price$27.891$29.991
Socket TypeAM2+AM2+
CPU ClassDesktopDesktop
Clockspeed2.8 GHz2.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP125W95W
Yearly Running Cost$22.81$17.34
First Seen on ChartQ1 2009Q4 2008
# of Samples188475
Cross-Platform Rating43693753
Single Thread Rating1068863
CPU Mark18991605
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of October 2021 - Higher results represent better performance
AMD Phenom II X4 920
 1,899
AMD Phenom 9550 Quad-Core
 1,605
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 26th of October 2021 - Higher results represent better value
AMD Phenom II X4 920
 68.10
AMD Phenom 9550 Quad-Core
 53.53
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 26th of October 2021 - Higher results represent better performance
AMD Phenom II X4 920
 1,068
AMD Phenom 9550 Quad-Core
 863
PassMark Software © 2008-2021

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 920AMD Phenom 9550 Quad-Core
Max TDP125W95W
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.