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AMD Athlon 64 X2 Dual 6400+ vs Athlon 64 FX-62 Dual

The AMD Athlon 64 FX-62 Dual Core is newer than AMD Athlon 64 X2 Dual Core 6400+, while the multi-threaded (CPU Mark) is simliar, AMD Athlon 64 X2 Dual Core 6400+ 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 261 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 6400+×AMD Athlon 64 FX-62 Dual Core+ ADD
Price Search Online $250 - BUY
Socket TypeAM2AM2
CPU ClassDesktopDesktop
Clockspeed3.2 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 2.0MB, L1: 256KB, L2: 2.0MB,
TDP125W125W
Yearly Running Cost$22.81$22.81
Other
First Seen on ChartQ4 2008Q1 2009
# of Samples23922
CPU Value3.94.0
Single Thread Rating(% diff. to max in group)11313(0.0%)10223(-9.6%)
CPU Mark(% diff. to max in group)982(-1.1%)993(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 14th of March 2025 - Higher results represent better performance
AMD Athlon 64 X2 Dual Core 6400+
982
AMD Athlon 64 FX-62 Dual Core
993
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
AMD Athlon 64 X2 Dual Core 6400+
3.9
AMD Athlon 64 FX-62 Dual Core
4.0
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
AMD Athlon 64 X2 Dual Core 6400+
1,131
AMD Athlon 64 FX-62 Dual Core
1,022
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 6400+ AMD Athlon 64 FX-62 Dual Core
Max TDP125W125W
Power consumption per day (kWh)0.250.25
Running cost per day$0.063$0.063
Power consumption per year (kWh)91.391.3
Running cost per year$22.81$22.81
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.