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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5450 vs Pentium E5400 vs Pentium E6500 vs Core2 Quad Q6600 vs Pentium E2140

The CPUs selected in this comparison belong in different CPU Classes: Server, Desktop. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 10799 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 Xeon E5450 @ 3.00GHz×Intel Pentium E5400 @ 2.70GHz×Intel Pentium E6500 @ 2.93GHz×Intel Core2 Quad Q6600 @ 2.40GHz×Intel Pentium E2140 @ 1.60GHz
Price Search Online Search Online $83.6 - BUY Search Online $40 - BUY
Socket TypeLGA771LGA775LGA775LGA775LGA775, PLGA775
CPU ClassServerDesktopDesktopDesktopDesktop
Clockspeed3.0 GHz2.7 GHz2.9 GHz2.4 GHz1.6 GHz
Turbo SpeedNot SupportedNot SupportedNot SupportedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 2)2 (Threads: 2)4 (Threads: 4)2 (Threads: 2)
CacheL1: 256KB, L2: 12.0MB, L3: 0MBL1: 128KB, L2: 2.0MB, L3: 0MBL1: 128KB, L2: 2.0MB, L3: 0MBL1: 256KB, L2: 8.0MB, L3: 0MBL1: 128KB, L2: 1.0MB, L3: 0MB
TDP80W65W65W105W65W
Yearly Running Cost$14.60$11.86$11.86$19.16$11.86
Other
First Seen on ChartQ2 2009Q2 2009Q4 2009Q4 2008Q4 2008
# of Samples131711165197490357
CPU Value69.811.614.03.613.5
Single Thread Rating(% diff. to max in group)1287(0.0%)10803(-16.1%)12443(-3.4%)952(-26.1%)5993(-53.5%)
CPU Mark(% diff. to max in group)2581(0.0%)979(-62.1%)1172(-54.6%)1822(-29.4%)539(-79.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
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 18th of December 2024 - Higher results represent better performance
Intel Xeon E5450 @ 3.00GHz
2,581
Intel Pentium E5400 @ 2.70GHz
979
Intel Pentium E6500 @ 2.93GHz
1,172
Intel Core2 Quad Q6600 @ 2.40GHz
1,822
Intel Pentium E2140 @ 1.60GHz
539
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 18th of December 2024 - Higher results represent better value
Intel Xeon E5450 @ 3.00GHz
69.8
Intel Pentium E5400 @ 2.70GHz
11.6
Intel Pentium E6500 @ 2.93GHz
14.0
Intel Core2 Quad Q6600 @ 2.40GHz
3.6
Intel Pentium E2140 @ 1.60GHz
13.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 18th of December 2024 - Higher results represent better performance
Intel Xeon E5450 @ 3.00GHz
1,287
Intel Pentium E5400 @ 2.70GHz
1,080
Intel Pentium E6500 @ 2.93GHz
1,244
Intel Core2 Quad Q6600 @ 2.40GHz
952
Intel Pentium E2140 @ 1.60GHz
599
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 Xeon E5450 @ 3.00GHz Intel Pentium E5400 @ 2.70GHz Intel Pentium E6500 @ 2.93GHz Intel Core2 Quad Q6600 @ 2.40GHz Intel Pentium E2140 @ 1.60GHz
Max TDP80W65W65W105W65W
Power consumption per day (kWh)NANANANANA
Running cost per dayNANANANANA
Power consumption per year (kWh)NANANANANA
Running cost per yearNANANANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.