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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.

×Intel Core2 Extreme Q9300 @ 2.53GHz×Intel Core2 Quad Q8400 @ 2.66GHz+ ADD
PriceSearch Online$128.881
Socket TypePGA478LGA775
CPU ClassDesktopDesktop
Clockspeed2.5 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP45W95W
Yearly Running Cost$8.21$17.34
First Seen on ChartQ4 2008Q2 2009
# of Samples2061478
Cross-Platform Rating56204747
Single Thread Rating10461153
CPU Mark18452018
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 22nd of April 2021 - Higher results represent better performance
Intel Core2 Extreme Q9300 @ 2.53GHz
1,845
Intel Core2 Quad Q8400 @ 2.66GHz
2,018
CPU Value (CPU Mark / $Price)
As of 22nd of April 2021 - Higher results represent better value
Intel Core2 Extreme Q9300 @ 2.53GHz
NA
Intel Core2 Quad Q8400 @ 2.66GHz
15.66
CPU Single Thread Rating
As of 22nd of April 2021 - Higher results represent better performance
Intel Core2 Extreme Q9300 @ 2.53GHz
1,046
Intel Core2 Quad Q8400 @ 2.66GHz
1,153

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.