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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q9450 @ 2.66GHz vs Intel Core2 Quad Q9400 @ 2.66GHz

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

  • 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 Quad Q9450 @ 2.66GHz×Intel Core2 Quad Q9400 @ 2.66GHz+ ADD
Price$35.71$38.031
Socket TypeLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed2.7 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 12.0MB, L3: 0MBL1: 256KB, L2: 6.0MB, L3: 0MB
Max TDP95W95W
Yearly Running Cost$17.34$17.34
Other
First Seen on ChartQ4 2008Q4 2008
# of Samples7932358
Single Thread Rating(% diff. to max in group)1132(-0.5%)1137(0.0%)
CPU Mark(% diff. to max in group)2124(0.0%)2081(-2.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 2nd of December 2022 - Higher results represent better performance
Intel Core2 Quad Q9450 @ 2.66GHz
2,124
Intel Core2 Quad Q9400 @ 2.66GHz
2,081
CPU Value (CPU Mark / $Price)
As of 2nd of December 2022 - Higher results represent better value
Intel Core2 Quad Q9450 @ 2.66GHz
59.50
Intel Core2 Quad Q9400 @ 2.66GHz
54.71
CPU Single Thread Rating
As of 2nd of December 2022 - Higher results represent better performance
Intel Core2 Quad Q9450 @ 2.66GHz
1,132
Intel Core2 Quad Q9400 @ 2.66GHz
1,137

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 Quad Q9450 @ 2.66GHzIntel Core2 Quad Q9400 @ 2.66GHz
Max TDP95W95W
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.