Pentium III 800 vs Celeron 900

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Primary details

Comparing Celeron 900 and Pentium III 800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3152not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
Power efficiency0.70no data
Architecture codenameno dataCoppermine T (2000)
Release date1 January 2009 (15 years ago)no data

Detailed specifications

Celeron 900 and Pentium III 800 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical coresno data1 (Single-Core)
Threadsno data1
Base clock speed2.2 GHzno data
Boost clock speedno data0.8 GHz
L1 cacheno data8 KB
L2 cacheno data256 KB
L3 cache1 MB L2 Cache0 KB
Chip lithography45 nm180 nm
Die sizeno data80 mm2
Maximum core temperature105 °Cno data
Maximum case temperature (TCase)no data69 °C
Number of transistorsno data44 million
64 bit support+-
Windows 11 compatibility--

Compatibility

Information on Celeron 900 and Pentium III 800 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configurationno data1
SocketPGA478370
Power consumption (TDP)35 Watt38 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 900 and Pentium III 800. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)-no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data

Security technologies

Celeron 900 and Pentium III 800 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 900 and Pentium III 800 are enumerated here.

VT-x-no data

Pros & cons summary


Chip lithography 45 nm 180 nm
Power consumption (TDP) 35 Watt 38 Watt

Celeron 900 has a 300% more advanced lithography process, and 8.6% lower power consumption.

We couldn't decide between Celeron 900 and Pentium III 800. We've got no test results to judge.

Be aware that Celeron 900 is a notebook processor while Pentium III 800 is a desktop one.


Should you still have questions on choice between Celeron 900 and Pentium III 800, ask them in Comments section, and we shall answer.

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Intel Celeron 900
Celeron 900
Intel Pentium III  800
Pentium III 800

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


2.4 56 votes

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3.6 63 votes

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Questions & comments

Here you can ask a question about Celeron 900 or Pentium III 800, agree or disagree with our judgements, or report an error or mismatch.