Ryzen 5 PRO 8645HS vs i9-12900KF

#ad 
Buy on Amazon
VS

Primary details

Comparing Core i9-12900KF and Ryzen 5 PRO 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking193not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation38.49no data
Market segmentDesktop processorServer
SeriesIntel Core i9no data
Power efficiency19.59no data
Architecture codenameAlder Lake, Golden Cove, Gracemont (2021)Hawk Point (2024)
Release date27 October 2021 (3 years ago)16 April 2024 (less than a year ago)
Launch price (MSRP)$564no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-12900KF and Ryzen 5 PRO 8645HS 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 cores16 (Hexadeca-Core)6 (Hexa-Core)
Threads2412
Base clock speed3.2 GHz4.3 GHz
Boost clock speed5.2 GHz5 GHz
Bus typeDMI 4.0no data
Bus rate8 × 16 GT/sno data
Multiplier32no data
L1 cache768 KB64 KB (per core)
L2 cache4 MB1 MB (per core)
L3 cache6 MB16 MB (shared)
Chip lithographyIntel 7 nm4 nm
Die size215.25 mm2178 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i9-12900KF and Ryzen 5 PRO 8645HS 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
SocketFCLGA1700FP7
Power consumption (TDP)125 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-12900KF and Ryzen 5 PRO 8645HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Speed Shift+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0+no data
Precision Boost 2no data+
Deep Learning Boost+-

Security technologies

Core i9-12900KF and Ryzen 5 PRO 8645HS technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-12900KF and Ryzen 5 PRO 8645HS are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-12900KF and Ryzen 5 PRO 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800, DDR4-3200DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth76.805 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 760M

Peripherals

Specifications and connection of peripherals supported by Core i9-12900KF and Ryzen 5 PRO 8645HS.

PCIe version5.0 and 4.04.0
PCI Express lanes2020

Pros & cons summary


Recency 27 October 2021 16 April 2024
Physical cores 16 6
Threads 24 12
Power consumption (TDP) 125 Watt 45 Watt

i9-12900KF has 166.7% more physical cores and 100% more threads.

Ryzen 5 PRO 8645HS, on the other hand, has an age advantage of 2 years, and 177.8% lower power consumption.

We couldn't decide between Core i9-12900KF and Ryzen 5 PRO 8645HS. We've got no test results to judge.

Note that Core i9-12900KF is a desktop processor while Ryzen 5 PRO 8645HS is a server/workstation one.


Should you still have questions on choice between Core i9-12900KF and Ryzen 5 PRO 8645HS, 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 Core i9-12900KF
Core i9-12900KF
AMD Ryzen 5 PRO 8645HS
Ryzen 5 PRO 8645HS

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.


4 551 vote

Rate Core i9-12900KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 1 vote

Rate Ryzen 5 PRO 8645HS on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-12900KF or Ryzen 5 PRO 8645HS, agree or disagree with our judgements, or report an error or mismatch.