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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon 64 X2 Dual 5800+ vs Intel Core2 Duo E6400 vs Athlon 64 X2 Dual 6000+ vs Core2 Duo E6600

All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 3701 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.

×AMD Athlon 64 X2 Dual Core 5800+×Intel Core2 Duo E6400 @ 2.13GHz×AMD Athlon 64 X2 Dual Core 6000+×Intel Core2 Duo E6600 @ 2.40GHz+ ADD
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Socket TypeNA2LGA775AM2PLGA775
CPU ClassDesktopDesktopDesktopDesktop
Clockspeed3.0 GHz2.1 GHz3.0 GHz2.4 GHz
Turbo SpeedNot SupportedNot SupportedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L1: 128KB, L2: 2.0MB, L3: 0MBL1: 256KB, L2: 1.0MB, L1: 128KB, L2: 4.0MB, L3: 0MB
TDP89W65W89W65W
Yearly Running Cost$16.24$11.86$16.24$11.86
Other
First Seen on ChartQ1 2009Q1 2009Q4 2008Q4 2008
# of Samples26106110691545
CPU Value21.825.924.353.8
Single Thread Rating(% diff. to max in group)7463(-28.6%)8213(-21.5%)10463(0.0%)9463(-9.5%)
CPU Mark(% diff. to max in group)653(-30.5%)774(-17.6%)936(-0.4%)939(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 3rd of April 2025 - Higher results represent better performance
AMD Athlon 64 X2 Dual Core 5800+
653
Intel Core2 Duo E6400 @ 2.13GHz
774
AMD Athlon 64 X2 Dual Core 6000+
936
Intel Core2 Duo E6600 @ 2.40GHz
939
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 3rd of April 2025 - Higher results represent better value
AMD Athlon 64 X2 Dual Core 5800+
21.8
Intel Core2 Duo E6400 @ 2.13GHz
25.9
AMD Athlon 64 X2 Dual Core 6000+
24.3
Intel Core2 Duo E6600 @ 2.40GHz
53.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 3rd of April 2025 - Higher results represent better performance
AMD Athlon 64 X2 Dual Core 5800+
746
Intel Core2 Duo E6400 @ 2.13GHz
821
AMD Athlon 64 X2 Dual Core 6000+
1,046
Intel Core2 Duo E6600 @ 2.40GHz
946
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.
AMD Athlon 64 X2 Dual Core 5800+ Intel Core2 Duo E6400 @ 2.13GHz AMD Athlon 64 X2 Dual Core 6000+ Intel Core2 Duo E6600 @ 2.40GHz
Max TDP89W65W89W65W
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.