Ryzen 5 PRO 8645HS vs Ryzen Threadripper PRO 3975WX

Primary details

Comparing Ryzen Threadripper PRO 3975WX and Ryzen 5 PRO 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	66	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	AMD Ryzen Threadripper	no data
Power efficiency	13.32	no data
Architecture codename	Matisse (2019−2020)	Hawk Point (2024)
Release date	14 July 2020 (4 years ago)	16 April 2024 (less than a year ago)

Detailed specifications

Ryzen Threadripper PRO 3975WX 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 cores	32 (Dotriaconta-Core)	6 (Hexa-Core)
Threads	64	12
Base clock speed	3.5 GHz	4.3 GHz
Boost clock speed	4.2 GHz	5 GHz
Multiplier	35	no data
L1 cache	2 MB	64 KB (per core)
L2 cache	16 MB	1 MB (per core)
L3 cache	128 MB	16 MB (shared)
Chip lithography	7 nm, 12 nm	4 nm
Die size	74 mm2	178 mm2
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	95 °C	no data
Number of transistors	23540 Million	25,000 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Ryzen Threadripper PRO 3975WX 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 configuration	1	1
Socket	sWRX8	FP7
Power consumption (TDP)	280 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3975WX and Ryzen 5 PRO 8645HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2	no data
AES-NI	+	+
AVX	+	+
Precision Boost 2	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3975WX and Ryzen 5 PRO 8645HS are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3975WX and Ryzen 5 PRO 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5
Maximum memory size	2 TiB	no data
Maximum memory bandwidth	204.8 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

AMD Radeon 760M

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3975WX and Ryzen 5 PRO 8645HS.

PCIe version	4.0	4.0
PCI Express lanes	128	20

Pros & cons summary

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Recency	14 July 2020	16 April 2024
Physical cores	32	6
Threads	64	12
Chip lithography	7 nm	4 nm
Power consumption (TDP)	280 Watt	45 Watt

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