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Intel i5-661 vs Core2 Quad Q9505

The Intel Core i5-661 @ 3.33GHz is newer than Intel Core2 Quad Q9505 @ 2.83GHz also around 12% faster in multi-threaded (CPU Mark) testing, it is around 18% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 411 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×Intel Core2 Quad Q9505 @ 2.83GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1156LGA775
CPU ClassDesktopDesktop
Clockspeed3.3 GHz2.8 GHz
Turbo SpeedUp to 3.6 GHzNot Supported
# of Physical Cores2 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 4MBL1: 256KB, L2: 6.0MB, L3: 0MB
TDP87W95W
Yearly Running Cost$15.88$17.34
Other
First Seen on ChartQ1 2010Q4 2009
# of Samples193218
CPU Value30.943.4
Single Thread Rating(% diff. to max in group)1446(0.0%)1186(-18.0%)
CPU Mark(% diff. to max in group)2471(0.0%)2171(-12.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 15th of January 2025 - Higher results represent better performance
Intel Core i5-661 @ 3.33GHz
2,471
Intel Core2 Quad Q9505 @ 2.83GHz
2,171
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 15th of January 2025 - Higher results represent better value
Intel Core i5-661 @ 3.33GHz
30.9
Intel Core2 Quad Q9505 @ 2.83GHz
43.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 15th of January 2025 - Higher results represent better performance
Intel Core i5-661 @ 3.33GHz
1,446
Intel Core2 Quad Q9505 @ 2.83GHz
1,186
PassMark Software © 2008-2025
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 Intel Core2 Quad Q9505 @ 2.83GHz
Max TDP87W95W
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.