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Intel Duo U2500 vs Atom N280

The Intel Atom N280 @ 1.66GHz is newer than Intel Core Duo U2500 @ 1.20GHz, while Intel Core Duo U2500 @ 1.20GHz is around 30% faster in multi-threaded (CPU Mark) testing, it is around 35% faster in single-thread testing. However, Intel Atom N280 @ 1.66GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 87 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 Core Duo U2500 @ 1.20GHz×Intel Atom N280 @ 1.66GHz+ ADD
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Socket TypeBGA479BGA437
CPU ClassLaptopLaptop
Clockspeed1.2 GHz1.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)1 (Threads: 2)
CacheL1: 128KB, L2: 2.0MB, L3: 0MBL3: 0MB
TDP9W2.5W
Yearly Running Cost$1.64$0.37
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples3552
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)3613(0.0%)2343(-35.3%)
CPU Mark(% diff. to max in group)223(0.0%)157(-29.6%)
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 26th of December 2024 - Higher results represent better performance
Intel Core Duo U2500 @ 1.20GHz
223
Intel Atom N280 @ 1.66GHz
157
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Core Duo U2500 @ 1.20GHz
361
Intel Atom N280 @ 1.66GHz
234
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 Core Duo U2500 @ 1.20GHz Intel Atom N280 @ 1.66GHz
Max TDP9W2.5W
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.