Ultra 7 265F vs Pentium 4 HT 521

Primary details

Comparing Pentium 4 HT 521 and Core Ultra 7 265F 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 segmentDesktop processorDesktop processor
Architecture codenamePrescott (2001−2005)Arrow Lake-S (2024−2025)
Release dateJune 2005 (19 years ago)January 2025

Detailed specifications

Pentium 4 HT 521 and Core Ultra 7 265F 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)20 (Icosa-Core)
Threads220
Base clock speedno data2.4 GHz
Boost clock speed2.8 GHz5.3 GHz
L1 cache16 KB112 KB (per core)
L2 cache1 MB3 MB (per core)
L3 cache0 KB30 MB (shared)
Chip lithography90 nm3 nm
Die size109 mm2243 mm2
Number of transistors125 million17,800 million
64 bit support-+
Windows 11 compatibility-no data

Compatibility

Information on Pentium 4 HT 521 and Core Ultra 7 265F 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
Socket7751851
Power consumption (TDP)84 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 4 HT 521 and Core Ultra 7 265F. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
TSX-+

Security technologies

Pentium 4 HT 521 and Core Ultra 7 265F technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 4 HT 521 and Core Ultra 7 265F 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 Core Ultra 7 265F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Pentium 4 HT 521 and Core Ultra 7 265F.

PCIe versionno data5.0
PCI Express lanesno data20

Pros & cons summary


Physical cores 1 20
Threads 2 20
Chip lithography 90 nm 3 nm
Power consumption (TDP) 84 Watt 65 Watt

Ultra 7 265F has 1900% more physical cores and 900% more threads, a 2900% more advanced lithography process, and 29.2% lower power consumption.

We couldn't decide between Pentium 4 HT 521 and Core Ultra 7 265F. We've got no test results to judge.


Should you still have questions on choice between Pentium 4 HT 521 and Core Ultra 7 265F, 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 Core Ultra 7 265F
Core Ultra 7 265F

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 Core Ultra 7 265F 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 Core Ultra 7 265F, agree or disagree with our judgements, or report an error or mismatch.