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Intel Celeron M 420 vs Pentium III Mobile 1200MHz

The Intel Celeron M 420 @ 1.60GHz is newer than Intel Pentium III Mobile 1200MHz, while Intel Pentium III Mobile 1200MHz is around 11% faster in multi-threaded (CPU Mark) testing, but Intel Celeron M 420 @ 1.60GHz is around 45% 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 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.

×Intel Celeron M 420 @ 1.60GHz×Intel Pentium III Mobile 1200MHz+ ADD
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Socket TypePPGA478NA2
CPU ClassLaptopLaptop
Clockspeed1.6 GHz1.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 64KB, L2: 1.0MB, L3: 0MBL1: 2KB, L2: 0.0MB, L3: 0MB
TDP27WNA2
Yearly Running Cost$4.93NA
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples344
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)3913(0.0%)2163(-44.8%)
CPU Mark(% diff. to max in group)139(-11.1%)156(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 1st of December 2024 - Higher results represent better performance
Intel Celeron M 420 @ 1.60GHz
139
Intel Pentium III Mobile 1200MHz
156
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 1st of December 2024 - Higher results represent better performance
Intel Celeron M 420 @ 1.60GHz
391
Intel Pentium III Mobile 1200MHz
216
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 Celeron M 420 @ 1.60GHz Intel Pentium III Mobile 1200MHz
Max TDP27WNA
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.