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Intel Atom N450 vs Duo U2500

The Intel Atom N450 @ 1.66GHz is newer than Intel Core Duo U2500 @ 1.20GHz, while Intel Core Duo U2500 @ 1.20GHz is around 9% faster in multi-threaded (CPU Mark) testing, it is around 23% faster in single-thread testing. However, Intel Core Duo U2500 @ 1.20GHz uses around 48% more power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 225 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×Intel Core Duo U2500 @ 1.20GHz+ ADD
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Socket TypeBGA559BGA479
CPU ClassLaptopLaptop
Clockspeed1.7 GHz1.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 2)2 (Threads: 2)
CacheL3: 0MBL1: 128KB, L2: 2.0MB, L3: 0MB
TDP5.5W9W
Yearly Running Cost$0.91$1.64
Other
First Seen on ChartQ1 2010Q1 2009
# of Samples19035
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)2773(-23.4%)3613(0.0%)
CPU Mark(% diff. to max in group)203(-9.0%)223(0.0%)
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 21st of November 2024 - Higher results represent better performance
Intel Atom N450 @ 1.66GHz
203
Intel Core Duo U2500 @ 1.20GHz
223
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of November 2024 - Higher results represent better performance
Intel Atom N450 @ 1.66GHz
277
Intel Core Duo U2500 @ 1.20GHz
361
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 Intel Core Duo U2500 @ 1.20GHz
Max TDP5.5W9W
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.