Ryzen 5 PRO 7640U vs Pentium D 955 EE

Primary details

Comparing Pentium D 955 EE and Ryzen 5 PRO 7640U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated550
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Phoenix (Zen 4, Ryzen 7040)
Power efficiencyno data84.56
Architecture codenamePresler (2005−2007)Phoenix (Zen4) (2023)
Release dateJanuary 2006 (18 years ago)23 May 2023 (1 year ago)

Detailed specifications

Pentium D 955 EE and Ryzen 5 PRO 7640U 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)6 (Hexa-Core)
Threads412
Base clock speedno data3.5 GHz
Boost clock speed3.46 GHz4.9 GHz
L1 cache28 KB384 KB
L2 cache4 MB6 MB
L3 cache0 KB16 MB
Chip lithography65 nm4 nm
Die size140 mm2178 mm2
Maximum core temperatureno data100 °C
Number of transistors376 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Pentium D 955 EE and Ryzen 5 PRO 7640U 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
Socket775no data
Power consumption (TDP)130 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 955 EE and Ryzen 5 PRO 7640U. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 955 EE and Ryzen 5 PRO 7640U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 760M

Pros & cons summary


Physical cores 2 6
Threads 4 12
Chip lithography 65 nm 4 nm
Power consumption (TDP) 130 Watt 15 Watt

Ryzen 5 PRO 7640U has 200% more physical cores and 200% more threads, a 1525% more advanced lithography process, and 766.7% lower power consumption.

We couldn't decide between Pentium D 955 EE and Ryzen 5 PRO 7640U. We've got no test results to judge.

Note that Pentium D 955 EE is a desktop processor while Ryzen 5 PRO 7640U is a notebook one.


Should you still have questions on choice between Pentium D 955 EE and Ryzen 5 PRO 7640U, 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 D 955 EE
Pentium D 955 EE
AMD Ryzen 5 PRO 7640U
Ryzen 5 PRO 7640U

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.


No user ratings yet.

Rate Pentium D 955 EE on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 2 votes

Rate Ryzen 5 PRO 7640U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium D 955 EE or Ryzen 5 PRO 7640U, agree or disagree with our judgements, or report an error or mismatch.