Ryzen 9 4900H vs Pentium D 955

Primary details

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

Place in the rankingnot rated768
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Renoir (Ryzen 4000 APU)
Power efficiencyno data8.45
DesignerIntelAMD
Manufacturerno dataTSMC
Architecture codenamePresler (2005−2007)Renoir-H (Zen 2) (2020)
Release dateJanuary 2006 (19 years ago)16 March 2020 (5 years ago)

Detailed specifications

Pentium D 955 and Ryzen 9 4900H 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 cores2 (Dual-core)8 (Octa-Core)
Threadsno data16
Base clock speedno data3.3 GHz
Boost clock speed3.46 GHz4.4 GHz
Multiplierno data33
L1 cache28 KB64 KB (per core)
L2 cache4096 KB512 KB (per core)
L3 cache0 KB8 MB (shared)
Chip lithography65 nm7 nm
Die size140 mm2156 mm2
Maximum core temperatureno data105 °C
Number of transistors376 million9,800 million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Pentium D 955 and Ryzen 9 4900H 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 configuration21
Socket775FP6
Power consumption (TDP)130 Watt54 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 955 and Ryzen 9 4900H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA, SHA
AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 955 and Ryzen 9 4900H are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 955 and Ryzen 9 4900H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4
Maximum memory sizeno data64 GB
Max memory channelsno data4
Maximum memory bandwidthno data68.27 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 1750 MHz)

Peripherals

Specifications and connection of peripherals supported by Pentium D 955 and Ryzen 9 4900H.

PCIe versionno data3.0

Pros & cons summary


Physical cores 2 8
Chip lithography 65 nm 7 nm
Power consumption (TDP) 130 Watt 54 Watt

Ryzen 9 4900H has 300% more physical cores, a 828.6% more advanced lithography process, and 140.7% lower power consumption.

We couldn't decide between Intel Pentium D 955 and AMD Ryzen 9 4900H. We've got no test results to judge.

Note that Pentium D 955 is a desktop processor while Ryzen 9 4900H is a notebook one.

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Intel Pentium D 955
Pentium D 955
AMD Ryzen 9 4900H
Ryzen 9 4900H

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Community ratings

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