Ryzen 9 7840HX vs Pentium D 955 EE

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Primary details

Comparing Pentium D 955 EE and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Dragon Range (Zen 4, Ryzen 7045)
Architecture codenamePresler (2005−2007)Dragon Range-HX (Zen 4) (2023−2024)
Release dateJanuary 2006 (18 years ago)17 January 2024 (less than a year ago)

Detailed specifications

Pentium D 955 EE and Ryzen 9 7840HX 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)12 (Dodeca-Core)
Threads424
Base clock speedno data2.9 GHz
Boost clock speed3.46 GHz5.1 GHz
L1 cache28 KB768 KB
L2 cache4 MB12 MB
L3 cache0 KB64 MB
Chip lithography65 nm5 nm
Die size140 mm2no data
Maximum core temperatureno data100 °C
Number of transistors376 million9900 Million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Pentium D 955 EE and Ryzen 9 7840HX 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 configuration2no data
Socket775FL1
Power consumption (TDP)130 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 955 EE and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 955 EE and Ryzen 9 7840HX. 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 dataAMD Radeon 610M

Pros & cons summary


Physical cores 2 12
Threads 4 24
Chip lithography 65 nm 5 nm
Power consumption (TDP) 130 Watt 55 Watt

Ryzen 9 7840HX has 500% more physical cores and 500% more threads, a 1200% more advanced lithography process, and 136.4% lower power consumption.

We couldn't decide between Pentium D 955 EE and Ryzen 9 7840HX. We've got no test results to judge.

Note that Pentium D 955 EE is a desktop processor while Ryzen 9 7840HX is a notebook one.


Should you still have questions on choice between Pentium D 955 EE and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.

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Intel Pentium D 955 EE
Pentium D 955 EE
AMD Ryzen 9 7840HX
Ryzen 9 7840HX

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