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AMD Phenom 8400 Triple- vs Athlon 64 X2 Dual 6000+

The AMD Phenom 8400 Triple-Core is newer than AMD Athlon 64 X2 Dual Core 6000+ also around 20% faster in multi-threaded (CPU Mark) testing, but AMD Athlon 64 X2 Dual Core 6000+ is around 22% 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 1174 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 Phenom 8400 Triple-Core×AMD Athlon 64 X2 Dual Core 6000++ ADD
Price Search Online Search Online
Socket TypeAM2+AM2
CPU ClassDesktopDesktop
Clockspeed2.1 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)2 (Threads: 2)
CacheL1: 384KB, L2: 1.5MB, L3: 2MBL1: 256KB, L2: 1.0MB,
TDP95W89W
Yearly Running Cost$17.34$16.24
Other
First Seen on ChartQ1 2009Q4 2008
# of Samples1051069
CPU Value0.024.3
Single Thread Rating(% diff. to max in group)819(-21.7%)10463(0.0%)
CPU Mark(% diff. to max in group)1164(0.0%)936(-19.6%)
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 1st of March 2025 - Higher results represent better performance
AMD Phenom 8400 Triple-Core
1,164
AMD Athlon 64 X2 Dual Core 6000+
936
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 1st of March 2025 - Higher results represent better value
AMD Phenom 8400 Triple-Core
NA
AMD Athlon 64 X2 Dual Core 6000+
24.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 1st of March 2025 - Higher results represent better performance
AMD Phenom 8400 Triple-Core
819
AMD Athlon 64 X2 Dual Core 6000+
1,046
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 Phenom 8400 Triple-Core AMD Athlon 64 X2 Dual Core 6000+
Max TDP95W89W
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.