Ryzen 5 PRO 8640U vs Phenom II X4 905e

Primary details

Comparing Phenom II X4 905e and Ryzen 5 PRO 8640U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2322not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.05no data
Market segmentDesktop processorServer
Series4x Phenom II (Desktop)no data
Power efficiency1.78no data
Architecture codenameDeneb (2009−2011)Hawk Point (2024)
Release date2 June 2009 (15 years ago)16 April 2024 (less than a year ago)
Launch price (MSRP)$212no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X4 905e and Ryzen 5 PRO 8640U 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 cores4 (Quad-Core)6 (Hexa-Core)
Threads412
Base clock speed2.5 GHz3.5 GHz
Boost clock speed2.5 GHz4.9 GHz
L1 cache128 KB (per core)64 KB (per core)
L2 cache512 KB (per core)1 MB (per core)
L3 cache6 MB (shared)16 MB (shared)
Chip lithography45 nm4 nm
Die size258 mm2178 mm2
Number of transistors758 million25,000 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Phenom II X4 905e and Ryzen 5 PRO 8640U 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
SocketAM3FP7
Power consumption (TDP)65 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 905e and Ryzen 5 PRO 8640U. You'll probably need this information if you require some particular technology.

Instruction set extensions45 nm, 1.25no data
AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 905e and Ryzen 5 PRO 8640U are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 905e and Ryzen 5 PRO 8640U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)AMD Radeon 760M

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 905e and Ryzen 5 PRO 8640U.

PCIe version2.04.0
PCI Express lanesno data20

Pros & cons summary


Recency 2 June 2009 16 April 2024
Physical cores 4 6
Threads 4 12
Chip lithography 45 nm 4 nm
Power consumption (TDP) 65 Watt 28 Watt

Ryzen 5 PRO 8640U has an age advantage of 14 years, 50% more physical cores and 200% more threads, a 1025% more advanced lithography process, and 132.1% lower power consumption.

We couldn't decide between Phenom II X4 905e and Ryzen 5 PRO 8640U. We've got no test results to judge.

Note that Phenom II X4 905e is a desktop processor while Ryzen 5 PRO 8640U is a server/workstation one.


Should you still have questions on choice between Phenom II X4 905e and Ryzen 5 PRO 8640U, 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.


AMD Phenom II X4 905e
Phenom II X4 905e
AMD Ryzen 5 PRO 8640U
Ryzen 5 PRO 8640U

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.


4.2 28 votes

Rate Phenom II X4 905e on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 4 votes

Rate Ryzen 5 PRO 8640U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Phenom II X4 905e or Ryzen 5 PRO 8640U, agree or disagree with our judgements, or report an error or mismatch.