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Intel Core2 Extreme X9775 vs AMD Phenom II X4 955

The AMD Phenom II X4 955 is newer than Intel Core2 Extreme X9775 @ 3.20GHz, while Intel Core2 Extreme X9775 @ 3.20GHz is around 10% faster in multi-threaded (CPU Mark) testing, it is around 11% faster in single-thread testing. However, Intel Core2 Extreme X9775 @ 3.20GHz uses around 18% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 4007 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Core2 Extreme X9775 @ 3.20GHz×AMD Phenom II X4 955+ ADD
Price Search Online Search Online
Socket TypeLGA771AM3
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 12.0MB, L3: 0MBL1: 512KB, L2: 2.0MB, L3: 6MB
TDP150W125W
Yearly Running Cost$27.38$22.81
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples44003
CPU Value1.542.5
Single Thread Rating(% diff. to max in group)1451(0.0%)1292(-11.0%)
CPU Mark(% diff. to max in group)2780(0.0%)2505(-9.9%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of July 2024 - Higher results represent better performance
Intel Core2 Extreme X9775 @ 3.20GHz
2,780
AMD Phenom II X4 955
2,505
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of July 2024 - Higher results represent better value
Intel Core2 Extreme X9775 @ 3.20GHz
1.5
AMD Phenom II X4 955
42.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of July 2024 - Higher results represent better performance
Intel Core2 Extreme X9775 @ 3.20GHz
1,451
AMD Phenom II X4 955
1,292
PassMark Software © 2008-2024

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 Core2 Extreme X9775 @ 3.20GHzAMD Phenom II X4 955
Max TDP150W125W
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.