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Intel i5-661 vs AMD Phenom II X4 975

The AMD Phenom II X4 975 is newer than Intel Core i5-661 @ 3.33GHz, while the multi-threaded (CPU Mark) is simliar, Intel Core i5-661 @ 3.33GHz is around 7% faster in single-thread testing. However, AMD Phenom II X4 975 uses around 36% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 397 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 Core i5-661 @ 3.33GHz×AMD Phenom II X4 975+ ADD
Price Search Online Search Online
Socket TypeLGA1156AM3
CPU ClassDesktopDesktop
Clockspeed3.3 GHz3.6 GHz
Turbo SpeedUp to 3.6 GHzNot Supported
# of Physical Cores2 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 4MBL1: 512KB, L2: 2.0MB, L3: 6MB
TDP87W125W
Yearly Running Cost$15.88$22.81
Other
First Seen on ChartQ1 2010Q1 2011
# of Samples192205
CPU Value30.936.2
Single Thread Rating(% diff. to max in group)1448(0.0%)1350(-6.7%)
CPU Mark(% diff. to max in group)2470(-2.6%)2536(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 28th of November 2024 - Higher results represent better performance
Intel Core i5-661 @ 3.33GHz
2,470
AMD Phenom II X4 975
2,536
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 28th of November 2024 - Higher results represent better value
Intel Core i5-661 @ 3.33GHz
30.9
AMD Phenom II X4 975
36.2
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 28th of November 2024 - Higher results represent better performance
Intel Core i5-661 @ 3.33GHz
1,448
AMD Phenom II X4 975
1,350
PassMark Software © 2008-2024
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
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 Core i5-661 @ 3.33GHz AMD Phenom II X4 975
Max TDP87W125W
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.