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Intel Atom N450 vs Atom N550

The Intel Atom N550 @ 1.50GHz is newer than Intel Atom N450 @ 1.66GHz also around 28% faster in multi-threaded (CPU Mark) testing, but Intel Atom N450 @ 1.66GHz is around 14% faster in single-thread testing. However, Intel Atom N550 @ 1.50GHz uses around 43% more power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 273 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 Atom N550 @ 1.50GHz+ ADD
Price Search Online Search Online
Socket TypeBGA559BGA559
CPU ClassLaptopLaptop
Clockspeed1.7 GHz1.5 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 2)2 (Threads: 4)
CacheL3: 0MBL1: 56KB, L2: 0.5MB, L3: 0MB
TDP5.5W8.5W
Yearly Running Cost$0.91$1.46
Other
First Seen on ChartQ1 2010Q3 2010
# of Samples19083
CPU Value0.03.3
Single Thread Rating(% diff. to max in group)2773(0.0%)239(-13.5%)
CPU Mark(% diff. to max in group)203(-28.3%)283(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 27th of November 2024 - Higher results represent better performance
Intel Atom N450 @ 1.66GHz
203
Intel Atom N550 @ 1.50GHz
283
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 27th of November 2024 - Higher results represent better value
Intel Atom N450 @ 1.66GHz
NA
Intel Atom N550 @ 1.50GHz
3.3
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 27th of November 2024 - Higher results represent better performance
Intel Atom N450 @ 1.66GHz
277
Intel Atom N550 @ 1.50GHz
239
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 Atom N550 @ 1.50GHz
Max TDP5.5W8.5W
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.