Pentium D 840 vs Celeron M 353

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Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesCeleron Mno data
DesignerIntelIntel
Architecture codenameDothan (2004−2005)Smithfield (2005)
Release dateno dataMay 2005 (20 years ago)

Detailed specifications

Celeron M 353 and Pentium D 840 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 cores1 (Single-Core)2 (Dual-core)
Threads12
Base clock speedno data3.2 GHz
Boost clock speed0.9 GHz3.2 GHz
Bus rate400 MHzno data
L1 cacheno data28 KB
L2 cacheno data2 MB
L3 cacheno data0 KB
Chip lithography90 nm90 nm
Die sizeno data206 mm2
Maximum core temperatureno data70 °C
Number of transistorsno data169 million
64 bit support-+
Windows 11 compatibility--
VID voltage rangeno data1.2V-1.4V

Compatibility

Information on Celeron M 353 and Pentium D 840 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 data2
Socketno dataPLGA775
Power consumption (TDP)5 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron M 353 and Pentium D 840. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Demand Based Switchingno data-
PAEno data32 Bit
FSB parityno data-

Security technologies

Celeron M 353 and Pentium D 840 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron M 353 and Pentium D 840 are enumerated here.

VT-dno data-
VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron M 353 and Pentium D 840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

Pros & cons summary


Physical cores 1 2
Threads 1 2
Power consumption (TDP) 5 Watt 130 Watt

Celeron M 353 has 2500% lower power consumption.

Pentium D 840, on the other hand, has 100% more physical cores and 100% more threads.

We couldn't decide between Intel Celeron M 353 and Intel Pentium D 840. We've got no test results to judge.

Be aware that Celeron M 353 is a notebook processor while Pentium D 840 is a desktop one.

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Intel Celeron M 353
Celeron M 353
Intel Pentium D 840
Pentium D 840

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Community ratings

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3.1 28 votes

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3.7 10 votes

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