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Intel Atom N450 vs Mobile AMD Sempron 2800+

The Intel Atom N450 @ 1.66GHz is newer than Mobile AMD Sempron 2800+, while Mobile AMD Sempron 2800+ is around 14% faster in multi-threaded (CPU Mark) testing, it is around 8% faster in single-thread testing. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 202 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.

×Intel Atom N450 @ 1.66GHz×Mobile AMD Sempron 2800++ ADD
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Socket TypeBGA559Socket 754
CPU ClassLaptopLaptop
Clockspeed1.7 GHz1.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 2)1 (Threads: 1)
CacheL3: 0MBL1: 128KB, L2: 0.3MB,
TDP5.5WNA2
Yearly Running Cost$0.91NA
Other
First Seen on ChartQ1 2010Q1 2009
# of Samples19012
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)2773(-7.5%)2993(0.0%)
CPU Mark(% diff. to max in group)203(-14.2%)237(0.0%)
2 - Information not available. Do you know? Notify Us.
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 23rd of November 2024 - Higher results represent better performance
Intel Atom N450 @ 1.66GHz
203
Mobile AMD Sempron 2800+
237
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 23rd of November 2024 - Higher results represent better performance
Intel Atom N450 @ 1.66GHz
277
Mobile AMD Sempron 2800+
299
PassMark Software © 2008-2024
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.
Intel Atom N450 @ 1.66GHz Mobile AMD Sempron 2800+
Max TDP5.5WNA
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.