Ryzen 9 7945HX3D vs Pentium 4 HT 561

Primary details

Comparing Pentium 4 HT 561 and Ryzen 9 7945HX3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated96
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiencyno data62.60
Architecture codenamePrescott (2001−2005)Dragon Range-HX (Zen 4) (2023−2024)
Release dateJune 2005 (19 years ago)27 July 2023 (1 year ago)

Detailed specifications

Pentium 4 HT 561 and Ryzen 9 7945HX3D 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)16 (Hexadeca-Core)
Threads232
Base clock speedno data2.3 GHz
Boost clock speed3.6 GHz5.4 GHz
L1 cache16 KB64 KB (per core)
L2 cache1 MB1 MB (per core)
L3 cache0 KB128 MB (shared)
Chip lithography90 nm5 nm
Die size109 mm22x 71 mm2
Maximum core temperatureno data89 °C
Number of transistors125 million17,840 million
64 bit support-+
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Pentium 4 HT 561 and Ryzen 9 7945HX3D 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
Socket775FL1
Power consumption (TDP)115 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 4 HT 561 and Ryzen 9 7945HX3D. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 4 HT 561 and Ryzen 9 7945HX3D are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 4 HT 561 and Ryzen 9 7945HX3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR5-5200

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Pentium 4 HT 561 and Ryzen 9 7945HX3D.

PCIe versionno data5.0
PCI Express lanesno data28

Pros & cons summary


Physical cores 1 16
Threads 2 32
Chip lithography 90 nm 5 nm
Power consumption (TDP) 115 Watt 55 Watt

Ryzen 9 7945HX3D has 1500% more physical cores and 1500% more threads, a 1700% more advanced lithography process, and 109.1% lower power consumption.

We couldn't decide between Pentium 4 HT 561 and Ryzen 9 7945HX3D. We've got no test results to judge.

Note that Pentium 4 HT 561 is a desktop processor while Ryzen 9 7945HX3D is a notebook one.


Should you still have questions on choice between Pentium 4 HT 561 and Ryzen 9 7945HX3D, ask them in Comments section, and we shall answer.

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Intel Pentium 4 HT 561
Pentium 4 HT 561
AMD Ryzen 9 7945HX3D
Ryzen 9 7945HX3D

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Community ratings

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