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Intel Pentium Extreme Edition 965 vs Core2 Duo E8400

The Intel Pentium Extreme Edition 965 @ 3.73GHz is newer than Intel Core2 Duo E8400 @ 3.00GHz, while Intel Core2 Duo E8400 @ 3.00GHz is around 18% faster in multi-threaded (CPU Mark) testing, it is around 34% faster in single-thread testing. However, Intel Core2 Duo E8400 @ 3.00GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 7267 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 Pentium Extreme Edition 965 @ 3.73GHz×Intel Core2 Duo E8400 @ 3.00GHz+ ADD
Price Search Online $23.03 - BUY
Socket TypePLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed3.7 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 4)2 (Threads: 2)
CacheL1: 17KB, L2: 2.0MB, L3: 0MBL1: 128KB, L2: 6.0MB, L3: 0MB
TDP130W65W
Yearly Running Cost$23.73$11.86
Other
First Seen on ChartQ1 2009Q4 2008
# of Samples167251
CPU Value0.052.5
Single Thread Rating(% diff. to max in group)818(-33.9%)12373(0.0%)
CPU Mark(% diff. to max in group)987(-18.4%)1209(0.0%)
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 15th of January 2025 - Higher results represent better performance
Intel Pentium Extreme Edition 965 @ 3.73GHz
987
Intel Core2 Duo E8400 @ 3.00GHz
1,209
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 15th of January 2025 - Higher results represent better value
Intel Pentium Extreme Edition 965 @ 3.73GHz
NA
Intel Core2 Duo E8400 @ 3.00GHz
52.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 15th of January 2025 - Higher results represent better performance
Intel Pentium Extreme Edition 965 @ 3.73GHz
818
Intel Core2 Duo E8400 @ 3.00GHz
1,237
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 Pentium Extreme Edition 965 @ 3.73GHz Intel Core2 Duo E8400 @ 3.00GHz
Max TDP130W65W
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.