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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Extreme Q9300 @ 2.53GHz vs Intel Core2 Quad Q8400 @ 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 Extreme Q9300 @ 2.53GHz×Intel Core2 Quad Q8400 @ 2.66GHz+ ADD
Price Search Online Search Online
Socket TypePGA478LGA775
CPU ClassDesktopDesktop
Clockspeed2.5 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 12.0MB, L3: 0MBL1: 256KB, L2: 4.0MB, L3: 0MB
Max TDP45W95W
Yearly Running Cost$8.21$17.34
Other
First Seen on ChartQ4 2008Q2 2009
# of Samples2081555
CPU Value0.015.8
Single Thread Rating(% diff. to max in group)1065(-7.2%)1147(0.0%)
CPU Mark(% diff. to max in group)1918(-5.7%)2034(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 9th of February 2023 - Higher results represent better performance
Intel Core2 Extreme Q9300 @ 2.53GHz
1,918
Intel Core2 Quad Q8400 @ 2.66GHz
2,034
CPU Value (CPU Mark / $Price)
As of 9th of February 2023 - Higher results represent better value
Intel Core2 Extreme Q9300 @ 2.53GHz
NA
Intel Core2 Quad Q8400 @ 2.66GHz
15.8
CPU Single Thread Rating
As of 9th of February 2023 - Higher results represent better performance
Intel Core2 Extreme Q9300 @ 2.53GHz
1,065
Intel Core2 Quad Q8400 @ 2.66GHz
1,147

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 Q9300 @ 2.53GHzIntel Core2 Quad Q8400 @ 2.66GHz
Max TDP45W95W
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.