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AMD Athlon Dual 4450B vs Athlon II X2 250u

The AMD Athlon II X2 250u is newer than AMD Athlon Dual Core 4450B and is around -17% slower in multi-threaded (CPU Mark) testing. The AMD Athlon II X2 250u is around -20% slower in single-thread testing. Also, AMD Athlon II X2 250u uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 155 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 II X2 250u+ ADD
Price Search Online Search Online
Socket TypeAM2+AM3
CPU ClassDesktopDesktop
Clockspeed2.3 GHz1.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L1: 256KB, L2: 2.0MB,
TDP45W25W
Yearly Running Cost$8.21$4.56
Other
First Seen on ChartQ1 2009Q1 2010
# of Samples8471
CPU Value23.324.0
Single Thread Rating(% diff. to max in group)7983(0.0%)6373(-20.1%)
CPU Mark(% diff. to max in group)723(0.0%)598(-17.2%)
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 19th of May 2025 - Higher results represent better performance
AMD Athlon Dual Core 4450B
723
AMD Athlon II X2 250u
598
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 19th of May 2025 - Higher results represent better value
AMD Athlon Dual Core 4450B
23.3
AMD Athlon II X2 250u
24.0
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 19th of May 2025 - Higher results represent better performance
AMD Athlon Dual Core 4450B
798
AMD Athlon II X2 250u
637
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 II X2 250u
Max TDP45W25W
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.