Ryzen 5 8645HS vs Ryzen Threadripper 3980X

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Primary details

Comparing Ryzen Threadripper 3980X and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated499
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesAMD Ryzen Threadripperno data
Power efficiencyno data30.43
Architecture codenameMatisse (2019−2020)Hawk Point-HS (Zen 4) (2023−2024)
Release date14 November 2019 (5 years ago)6 December 2023 (1 year ago)

Detailed specifications

Ryzen Threadripper 3980X and Ryzen 5 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 cores48 (Octatetraconta-Core)6 (Hexa-Core)
Threads9612
Base clock speed3.5 GHz4.3 GHz
Boost clock speed4.5 GHz5 GHz
Multiplier32no data
L1 cache3 MB64 KB (per core)
L2 cache24 MB1 MB (per core)
L3 cache128 MB16 MB (shared)
Chip lithography7 nm, 12 nm4 nm
Die sizeno data178 mm2
Maximum core temperatureno data100 °C
Number of transistors19,200 million25,000 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-

Compatibility

Information on Ryzen Threadripper 3980X and Ryzen 5 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
SocketTR4FP8
Power consumption (TDP)280 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 3980X and Ryzen 5 8645HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataRyzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 3980X and Ryzen 5 8645HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3980X and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR5
Maximum memory size512 GBno data
Max memory channels4no data
Maximum memory bandwidth102.403 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 760M ( - 2600 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 3980X and Ryzen 5 8645HS.

PCIe versionno data4.0
PCI Express lanesno data20

Pros & cons summary


Recency 14 November 2019 6 December 2023
Physical cores 48 6
Threads 96 12
Chip lithography 7 nm 4 nm
Power consumption (TDP) 280 Watt 45 Watt

Ryzen Threadripper 3980X has 700% more physical cores and 700% more threads.

Ryzen 5 8645HS, on the other hand, has an age advantage of 4 years, a 75% more advanced lithography process, and 522.2% lower power consumption.

We couldn't decide between Ryzen Threadripper 3980X and Ryzen 5 8645HS. We've got no test results to judge.

Note that Ryzen Threadripper 3980X is a desktop processor while Ryzen 5 8645HS is a notebook one.


Should you still have questions on choice between Ryzen Threadripper 3980X and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.

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AMD Ryzen Threadripper 3980X
Ryzen Threadripper 3980X
AMD Ryzen 5 8645HS
Ryzen 5 8645HS

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Community ratings

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