EPYC 9555P vs Ryzen 5 8645HS

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Primary details

Comparing Ryzen 5 8645HS and EPYC 9555P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking497not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
Power efficiency30.13no data
Architecture codenameHawk Point-HS (Zen 4) (2023−2024)Turin (2024)
Release date6 December 2023 (less than a year ago)10 October 2024 (recently)
Launch price (MSRP)no data$7,983

Detailed specifications

Ryzen 5 8645HS and EPYC 9555P 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 cores6 (Hexa-Core)64 (Tetrahexaconta-Core)
Threads12128
Base clock speed4.3 GHz3.2 GHz
Boost clock speed5 GHz4.4 GHz
L1 cache64 KB (per core)80 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache16 MB (shared)256 MB (shared)
Chip lithography4 nm4 nm
Die size178 mm28x 70.6 mm2
Maximum core temperature100 °Cno data
Number of transistors25,000 million66,520 million
64 bit support++

Compatibility

Information on Ryzen 5 8645HS and EPYC 9555P 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
SocketFP8SP5
Power consumption (TDP)45 Watt360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 8645HS and EPYC 9555P. You'll probably need this information if you require some particular technology.

Instruction set extensionsRyzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3no data
AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 8645HS and EPYC 9555P are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 8645HS and EPYC 9555P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 760MN/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 8645HS and EPYC 9555P.

PCIe version4.05.0
PCI Express lanes20128

Pros & cons summary


Recency 6 December 2023 10 October 2024
Physical cores 6 64
Threads 12 128
Power consumption (TDP) 45 Watt 360 Watt

Ryzen 5 8645HS has 700% lower power consumption.

EPYC 9555P, on the other hand, has an age advantage of 10 months, and 966.7% more physical cores and 966.7% more threads.

We couldn't decide between Ryzen 5 8645HS and EPYC 9555P. We've got no test results to judge.

Be aware that Ryzen 5 8645HS is a notebook processor while EPYC 9555P is a server/workstation one.


Should you still have questions on choice between Ryzen 5 8645HS and EPYC 9555P, ask them in Comments section, and we shall answer.

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AMD Ryzen 5 8645HS
Ryzen 5 8645HS
AMD EPYC 9555P
EPYC 9555P

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