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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Duo E8600 vs Pentium 4 3.80GHz vs Pentium Extreme Edition 965 vs Core2 Extreme X9650

All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1202 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 Duo E8600 @ 3.33GHz×Intel Pentium 4 3.80GHz×Intel Pentium Extreme Edition 965 @ 3.73GHz×Intel Core2 Extreme X9650 @ 3.00GHz+ ADD
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Socket TypeLGA775NA2PLGA775LGA775
CPU ClassDesktopDesktopDesktopDesktop
Clockspeed3.3 GHz3.8 GHz3.7 GHz3.0 GHz
Turbo SpeedNot SupportedNot SupportedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)1 (Threads: 2)2 (Threads: 4)4 (Threads: 4)
CacheL1: 128KB, L2: 6.0MB, L3: 0MBL1: 1KB, L3: 0MBL1: 17KB, L2: 2.0MB, L3: 0MBL1: 256KB, L2: 12.0MB, L3: 0MB
TDP65W65W130W130W
Yearly Running Cost$11.86$11.86$23.73$23.73
Other
First Seen on ChartQ4 2008Q4 2008Q1 2009Q4 2008
# of Samples7617416351
CPU Value13.70.00.02.8
Single Thread Rating(% diff. to max in group)13813(0.0%)6743(-51.2%)818(-40.8%)1258(-8.9%)
CPU Mark(% diff. to max in group)1356(-43.6%)356(-85.2%)987(-58.9%)2404(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 9th of February 2025 - Higher results represent better performance
Intel Core2 Duo E8600 @ 3.33GHz
1,356
Intel Pentium 4 3.80GHz
356
Intel Pentium Extreme Edition 965 @ 3.73GHz
987
Intel Core2 Extreme X9650 @ 3.00GHz
2,404
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 9th of February 2025 - Higher results represent better value
Intel Core2 Duo E8600 @ 3.33GHz
13.7
Intel Pentium 4 3.80GHz
NA
Intel Pentium Extreme Edition 965 @ 3.73GHz
NA
Intel Core2 Extreme X9650 @ 3.00GHz
2.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 9th of February 2025 - Higher results represent better performance
Intel Core2 Duo E8600 @ 3.33GHz
1,381
Intel Pentium 4 3.80GHz
674
Intel Pentium Extreme Edition 965 @ 3.73GHz
818
Intel Core2 Extreme X9650 @ 3.00GHz
1,258
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 Duo E8600 @ 3.33GHz Intel Pentium 4 3.80GHz Intel Pentium Extreme Edition 965 @ 3.73GHz Intel Core2 Extreme X9650 @ 3.00GHz
Max TDP65W65W130W130W
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.