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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Extreme Q6800 @ 2.93GHz 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 Q6800 @ 2.93GHz×Intel Core2 Quad Q8400 @ 2.66GHz+ ADD
Price$11251$229.951
Socket TypeLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed2.9 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP75W95W
Yearly Running Cost$13.69$17.34
First Seen on ChartQ4 2008Q2 2009
# of Samples491448
Cross-Platform Rating59284680
Single Thread Rating12021143
CPU Mark22671991
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of October 2020 - Higher results represent better performance
Intel Core2 Extreme Q6800 @ 2.93GHz
2,267
Intel Core2 Quad Q8400 @ 2.66GHz
1,991
CPU Value (CPU Mark / $Price)
As of 25th of October 2020 - Higher results represent better value
Intel Core2 Extreme Q6800 @ 2.93GHz
2.02
Intel Core2 Quad Q8400 @ 2.66GHz
8.66
CPU Single Thread Rating
As of 25th of October 2020 - Higher results represent better performance
Intel Core2 Extreme Q6800 @ 2.93GHz
1,202
Intel Core2 Quad Q8400 @ 2.66GHz
1,143

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 Q6800 @ 2.93GHzIntel Core2 Quad Q8400 @ 2.66GHz
Max TDP75W95W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.