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AMD Athlon Dual 4450B vs Athlon 64 X2 Dual 5000+

The AMD Athlon Dual Core 4450B is newer than AMD Athlon 64 X2 Dual Core 5000+, while AMD Athlon 64 X2 Dual Core 5000+ is around 11% faster in multi-threaded (CPU Mark) testing, it is around 12% faster in single-thread testing. However, AMD Athlon 64 X2 Dual Core 5000+ uses around 36% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1246 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 Dual Core 4450B×AMD Athlon 64 X2 Dual Core 5000++ ADD
Price Search Online Search Online
Socket TypeAM2+AM2
CPU ClassDesktopDesktop
Clockspeed2.3 GHz2.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L1: 256KB, L2: 1.0MB,
TDP45W65W
Yearly Running Cost$8.21$11.86
Other
First Seen on ChartQ1 2009Q4 2008
# of Samples831163
CPU Value22.92.4
Single Thread Rating(% diff. to max in group)7923(-12.5%)9053(0.0%)
CPU Mark(% diff. to max in group)711(-11.2%)800(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 6th of April 2025 - Higher results represent better performance
AMD Athlon Dual Core 4450B
711
AMD Athlon 64 X2 Dual Core 5000+
800
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
AMD Athlon Dual Core 4450B
22.9
AMD Athlon 64 X2 Dual Core 5000+
2.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
AMD Athlon Dual Core 4450B
792
AMD Athlon 64 X2 Dual Core 5000+
905
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 Dual Core 4450B AMD Athlon 64 X2 Dual Core 5000+
Max TDP45W65W
Power consumption per day (kWh)0.090.13
Running cost per day$0.022$0.033
Power consumption per year (kWh)32.947.5
Running cost per year$8.21$11.86
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.