Xeon D-1813NT vs Pentium 4 HT 521

Primary details

Comparing Pentium 4 HT 521 and Xeon D-1813NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated1237
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiencyno data10.97
Architecture codenamePrescott (2001−2005)no data
Release dateJune 2005 (19 years ago)1 October 2023 (1 year ago)

Detailed specifications

Pentium 4 HT 521 and Xeon D-1813NT 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)4 (Quad-Core)
Threads28
Base clock speedno data2.2 GHz
Boost clock speed2.8 GHz2.4 GHz
L1 cache16 KBno data
L2 cache1 MBno data
L3 cache0 KB10240 KB
Chip lithography90 nmno data
Die size109 mm2no data
Number of transistors125 millionno data
64 bit support-+
Windows 11 compatibility-no data

Compatibility

Information on Pentium 4 HT 521 and Xeon D-1813NT 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 configuration1no data
Socket775FCBGA2227
Power consumption (TDP)84 Watt42 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 4 HT 521 and Xeon D-1813NT. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AVX-512
AES-NI-+
Enhanced SpeedStep (EIST)no data+
QuickAssistno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Thermal Monitoring-+
Deep Learning Boost-+

Security technologies

Pentium 4 HT 521 and Xeon D-1813NT technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
SGXno dataYes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 4 HT 521 and Xeon D-1813NT are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 4 HT 521 and Xeon D-1813NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4
Maximum memory sizeno data256 GB
Max memory channelsno data2
ECC memory support-+

Peripherals

Specifications and connection of peripherals supported by Pentium 4 HT 521 and Xeon D-1813NT.

PCIe versionno data4.0
PCI Express lanesno data16
USB revisionno data3.0
Max number of SATA 6 Gb/s Portsno data24
Number of USB portsno data4
Integrated LANno data+

Pros & cons summary


Physical cores 1 4
Threads 2 8
Power consumption (TDP) 84 Watt 42 Watt

Xeon D-1813NT has 300% more physical cores and 300% more threads, and 100% lower power consumption.

We couldn't decide between Pentium 4 HT 521 and Xeon D-1813NT. We've got no test results to judge.

Note that Pentium 4 HT 521 is a desktop processor while Xeon D-1813NT is a server/workstation one.


Should you still have questions on choice between Pentium 4 HT 521 and Xeon D-1813NT, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Pentium 4 HT 521
Pentium 4 HT 521
Intel Xeon D-1813NT
Xeon D-1813NT

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.


3.4 5 votes

Rate Pentium 4 HT 521 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Xeon D-1813NT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium 4 HT 521 or Xeon D-1813NT, agree or disagree with our judgements, or report an error or mismatch.