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Intel Pentium III 1400S vs Celeron 420

The Intel Pentium III 1400S @ 1400MHz is newer than Intel Celeron 420 @ 1.60GHz, while Intel Celeron 420 @ 1.60GHz is around 17% faster in multi-threaded (CPU Mark) testing, it is around 41% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 109 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 Pentium III 1400S @ 1400MHz×Intel Celeron 420 @ 1.60GHz+ ADD
Price Search Online $69.95 - BUY
Socket TypeSocket 370LGA775
CPU ClassDesktopDesktop
Clockspeed1.4 GHz1.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 2KB, L2: 0.0MB, L3: 0MBL1: 64KB, L2: 0.5MB, L3: 0MB
TDP32.2W35W
Yearly Running Cost$5.84$6.39
Other
First Seen on ChartQ3 2009Q1 2009
# of Samples5104
CPU Value0.03.4
Single Thread Rating(% diff. to max in group)2783(-40.9%)4713(0.0%)
CPU Mark(% diff. to max in group)194(-17.3%)235(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 26th of February 2025 - Higher results represent better performance
Intel Pentium III 1400S @ 1400MHz
194
Intel Celeron 420 @ 1.60GHz
235
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
Intel Pentium III 1400S @ 1400MHz
NA
Intel Celeron 420 @ 1.60GHz
3.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Pentium III 1400S @ 1400MHz
278
Intel Celeron 420 @ 1.60GHz
471
PassMark Software © 2008-2025
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 Pentium III 1400S @ 1400MHz Intel Celeron 420 @ 1.60GHz
Max TDP32.2W35W
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.