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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q6600 vs Core2 Quad Q8400 vs Xeon X3330 vs Core2 Quad Q6700

The CPUs selected in this comparison belong in different CPU Classes: Desktop, Server. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 10241 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 Quad Q6600 @ 2.40GHz×Intel Core2 Quad Q8400 @ 2.66GHz×Intel Xeon X3330 @ 2.66GHz×Intel Core2 Quad Q6700 @ 2.66GHz+ ADD
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Socket TypeLGA775LGA775LGA775LGA775
CPU ClassDesktopDesktopServerDesktop
Clockspeed2.4 GHz2.7 GHz2.7 GHz2.7 GHz
Turbo SpeedNot SupportedNot SupportedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 8.0MB, L3: 0MBL1: 256KB, L2: 4.0MB, L3: 0MBL1: 256KB, L2: 6.0MB, L3: 0MBL1: 256KB, L2: 8.0MB, L3: 0MB
TDP105W95W95W105W
Yearly Running Cost$19.16$17.34$17.34$19.16
Other
First Seen on ChartQ4 2008Q2 2009Q2 2010Q4 2008
# of Samples7544165358986
CPU Value38.216.09.916.2
Single Thread Rating(% diff. to max in group)954(-16.4%)1141(0.0%)1119(-1.9%)1077(-5.6%)
CPU Mark(% diff. to max in group)1833(-12.6%)2068(-1.4%)2075(-1.1%)2099(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of April 2025 - Higher results represent better performance
Intel Core2 Quad Q6600 @ 2.40GHz
1,833
Intel Core2 Quad Q8400 @ 2.66GHz
2,068
Intel Xeon X3330 @ 2.66GHz
2,075
Intel Core2 Quad Q6700 @ 2.66GHz
2,099
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 18th of April 2025 - Higher results represent better value
Intel Core2 Quad Q6600 @ 2.40GHz
38.2
Intel Core2 Quad Q8400 @ 2.66GHz
16.0
Intel Xeon X3330 @ 2.66GHz
9.9
Intel Core2 Quad Q6700 @ 2.66GHz
16.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 18th of April 2025 - Higher results represent better performance
Intel Core2 Quad Q6600 @ 2.40GHz
954
Intel Core2 Quad Q8400 @ 2.66GHz
1,141
Intel Xeon X3330 @ 2.66GHz
1,119
Intel Core2 Quad Q6700 @ 2.66GHz
1,077
PassMark Software © 2008-2025
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 Quad Q6600 @ 2.40GHz Intel Core2 Quad Q8400 @ 2.66GHz Intel Xeon X3330 @ 2.66GHz Intel Core2 Quad Q6700 @ 2.66GHz
Max TDP105W95W95W105W
Power consumption per day (kWh)NANANANA
Running cost per dayNANANANA
Power consumption per year (kWh)NANANANA
Running cost per yearNANANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.