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AMD Athlon 64 X2 Dual 4000+ vs Intel Core2 Duo E6400

The Intel Core2 Duo E6400 @ 2.13GHz is newer than AMD Athlon 64 X2 Dual Core 4000+ and is around 10% faster in multi-threaded (CPU Mark) testing. The Intel Core2 Duo E6400 @ 2.13GHz is around 10% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 1695 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 4000+×Intel Core2 Duo E6400 @ 2.13GHz+ ADD
Price Search Online Search Online
Socket TypeAM2LGA775
CPU ClassDesktopDesktop
Clockspeed2.1 GHz2.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L1: 128KB, L2: 2.0MB, L3: 0MB
TDP65W65W
Yearly Running Cost$11.86$11.86
Other
First Seen on ChartQ4 2008Q1 2009
# of Samples6291066
CPU Rank48604758
CPU Value0.025.8
Single Thread Rating(% diff. to max in group)7413(-8.8%)8123(0.0%)
CPU Mark(% diff. to max in group)702(-9.3%)774(0.0%)
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 13th of March 2026 - Higher results represent better performance
AMD Athlon 64 X2 Dual Core 4000+
702
Intel Core2 Duo E6400 @ 2.13GHz
774
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 13th of March 2026 - Higher results represent better value
AMD Athlon 64 X2 Dual Core 4000+
NA
Intel Core2 Duo E6400 @ 2.13GHz
25.8
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 13th of March 2026 - Higher results represent better performance
AMD Athlon 64 X2 Dual Core 4000+
741
Intel Core2 Duo E6400 @ 2.13GHz
812
PassMark Software © 2008-2026
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 4000+ Intel Core2 Duo E6400 @ 2.13GHz
Max TDP65W65W
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.