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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Extreme X9650 @ 3.00GHz 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 X9650 @ 3.00GHz×Intel Core2 Quad Q8400 @ 2.66GHz+ ADD
Price Search Online Search Online
Socket TypeLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed3.0 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
TDP130W95W
Yearly Running Cost$23.73$17.34
Other
First Seen on ChartQ4 2008Q2 2009
# of Samples3471595
CPU Value2.716.0
Single Thread Rating(% diff. to max in group)1255(0.0%)1145(-8.8%)
CPU Mark(% diff. to max in group)2363(0.0%)2060(-12.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of September 2023 - Higher results represent better performance
Intel Core2 Extreme X9650 @ 3.00GHz
2,363
Intel Core2 Quad Q8400 @ 2.66GHz
2,060
PassMark Software © 2008-2023
CPU Value (CPU Mark / $Price)
As of 25th of September 2023 - Higher results represent better value
Intel Core2 Extreme X9650 @ 3.00GHz
2.7
Intel Core2 Quad Q8400 @ 2.66GHz
16.0
PassMark Software © 2008-2023
CPU Single Thread Rating
As of 25th of September 2023 - Higher results represent better performance
Intel Core2 Extreme X9650 @ 3.00GHz
1,255
Intel Core2 Quad Q8400 @ 2.66GHz
1,145
PassMark Software © 2008-2023

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 X9650 @ 3.00GHzIntel Core2 Quad Q8400 @ 2.66GHz
Max TDP130W95W
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.