Pentium III 1400 vs Atom N450

VS

Aggregate performance score

Atom N450
2009
1 core / 2 threads, 5 Watt
0.13
+8.3%
Pentium III 1400
2001
1 core / 1 thread, 31 Watt
0.12

Atom N450 outperforms Pentium III 1400 by a small 8% based on our aggregate benchmark results.

Primary details

Comparing Atom N450 and Pentium III 1400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking33493362
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Atomno data
Power efficiency2.050.37
Architecture codenamePinetrail (2009−2011)Tualatin (2000−2002)
Release date21 December 2009 (15 years ago)December 2001 (23 years ago)
Launch price (MSRP)$64no data

Detailed specifications

Atom N450 and Pentium III 1400 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)1 (Single-Core)
Threads21
Base clock speed1.66 GHzno data
Boost clock speed1.67 GHz1.4 GHz
Bus rate533 MHzno data
L1 cache56 KB (per core)8 KB
L2 cache512 KB (per core)256 KB
L3 cache0 KB0 KB
Chip lithography45 nm130 nm
Die size66 mm280 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data69 °C
Number of transistors123 million44 million
64 bit support+-
Windows 11 compatibility--

Compatibility

Information on Atom N450 and Pentium III 1400 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 configuration11
SocketFCBGA559370
Power consumption (TDP)5.5 Watt31 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N450 and Pentium III 1400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE2, Intel® SSE3, Intel® SSSE3no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology+no data
Thermal Monitoring+-
Demand Based Switching-no data

Security technologies

Atom N450 and Pentium III 1400 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 Atom N450 and Pentium III 1400 are enumerated here.

VT-d-no data
VT-x-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom N450 and Pentium III 1400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2no data
Maximum memory size2 GBno data
Max memory channels1no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Atom N450 0.13
+8.3%
Pentium III 1400 0.12

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Atom N450 203
+5.2%
Pentium III 1400 193

Gaming performance

Pros & cons summary


Performance score 0.13 0.12
Threads 2 1
Chip lithography 45 nm 130 nm
Power consumption (TDP) 5 Watt 31 Watt

Atom N450 has a 8.3% higher aggregate performance score, 100% more threads, a 188.9% more advanced lithography process, and 520% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Atom N450 and Pentium III 1400.

Be aware that Atom N450 is a notebook processor while Pentium III 1400 is a desktop one.


Should you still have questions on choice between Atom N450 and Pentium III 1400, ask them in Comments section, and we shall answer.

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Intel Atom N450
Atom N450
Intel Pentium III 1400
Pentium III 1400

Similar processor comparisons

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Community ratings

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Questions & comments

Here you can ask a question about Atom N450 or Pentium III 1400, agree or disagree with our judgements, or report an error or mismatch.