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CPU Benchmarks

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Intel Core2 Extreme X9650 vs Core2 Quad Q9400

The Intel Core2 Quad Q9400 @ 2.66GHz is newer than Intel Core2 Extreme X9650 @ 3.00GHz, while Intel Core2 Extreme X9650 @ 3.00GHz is around 11% faster in multi-threaded (CPU Mark) testing, it is around 10% faster in single-thread testing. However, Intel Core2 Extreme X9650 @ 3.00GHz uses around 31% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 2820 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • 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 Q9400 @ 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: 6.0MB, L3: 0MB
TDP130W95W
Yearly Running Cost$23.73$17.34
Other
First Seen on ChartQ4 2008Q4 2008
# of Samples3512469
CPU Value2.885.2
Single Thread Rating(% diff. to max in group)1258(0.0%)1138(-9.6%)
CPU Mark(% diff. to max in group)2404(0.0%)2133(-11.3%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 23rd of November 2024 - Higher results represent better performance
Intel Core2 Extreme X9650 @ 3.00GHz
2,404
Intel Core2 Quad Q9400 @ 2.66GHz
2,133
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 23rd of November 2024 - Higher results represent better value
Intel Core2 Extreme X9650 @ 3.00GHz
2.8
Intel Core2 Quad Q9400 @ 2.66GHz
85.2
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 23rd of November 2024 - Higher results represent better performance
Intel Core2 Extreme X9650 @ 3.00GHz
1,258
Intel Core2 Quad Q9400 @ 2.66GHz
1,138
PassMark Software © 2008-2024
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
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 @ 3.00GHz Intel Core2 Quad Q9400 @ 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.