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Mobile Intel Pentium III - M 1200MHz vs Celeron M 420

The Mobile Intel Pentium III - M 1200MHz is newer than Intel Celeron M 420 @ 1.60GHz, while the multi-threaded (CPU Mark) is simliar, Intel Celeron M 420 @ 1.60GHz is significantly faster in single-thread testing. However, Intel Celeron M 420 @ 1.60GHz uses around 20% more power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 38 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.

×Mobile Intel Pentium III - M 1200MHz×Intel Celeron M 420 @ 1.60GHz+ ADD
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Socket TypeBGA2, microPGA2PPGA478
CPU ClassLaptopLaptop
Clockspeed1.2 GHz1.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 2KB, L2: 0.0MB, L3: 0MBL1: 64KB, L2: 1.0MB, L3: 0MB
TDP22W27W
Yearly Running Cost$4.02$4.93
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples434
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)1853(-52.8%)3913(0.0%)
CPU Mark(% diff. to max in group)146(0.0%)139(-4.8%)
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 1st of December 2024 - Higher results represent better performance
Mobile Intel Pentium III - M 1200MHz
146
Intel Celeron M 420 @ 1.60GHz
139
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 1st of December 2024 - Higher results represent better performance
Mobile Intel Pentium III - M 1200MHz
185
Intel Celeron M 420 @ 1.60GHz
391
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.
Mobile Intel Pentium III - M 1200MHz Intel Celeron M 420 @ 1.60GHz
Max TDP22W27W
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.