EPYC 9634 vs Ryzen Threadripper PRO 3975WX

Primary details

Comparing Ryzen Threadripper PRO 3975WX and EPYC 9634 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	58	8
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	18.22	10.03
Market segment	Desktop processor	Server
Series	AMD Ryzen Threadripper	AMD EPYC
Architecture codename	Matisse (2019−2020)	Genoa
Release date	14 July 2020 (3 years ago)	10 November 2022 (1 year ago)
Launch price (MSRP)	no data	$10,304
Current price	$2200	$3950 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen Threadripper PRO 3975WX has 82% better value for money than EPYC 9634.

Detailed specifications

Ryzen Threadripper PRO 3975WX and EPYC 9634 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)	84
Threads	64	168
Base clock speed	3.5 GHz	2.25 GHz
Boost clock speed	4.2 GHz	3.7 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	128 MB	384 MB (shared)
Chip lithography	7 nm	5 nm, 6 nm
Die size	74 mm2	12x 72 mm2
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	95 °C	no data
Number of transistors	3,800 million	78,840 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen Threadripper PRO 3975WX and EPYC 9634 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	2
Socket	sWRX8	SP5
Power consumption (TDP)	280 Watt	290 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3975WX and EPYC 9634. 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	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3975WX and EPYC 9634 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3975WX and EPYC 9634. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5-4800
Maximum memory size	2 TiB	6 TiB
Maximum memory bandwidth	204.8 GB/s	460.8 GB/s

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3975WX and EPYC 9634.

PCIe version	4.0	5.0
PCI Express lanes	128	128

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

EPYC 9634 outperforms Ryzen Threadripper PRO 3975WX by 72% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	40.55	69.79
Recency	14 July 2020	10 November 2022
Physical cores	32	84
Threads	64	168
Chip lithography	7 nm	5 nm
Power consumption (TDP)	280 Watt	290 Watt

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Should you still have questions on choice between Ryzen Threadripper PRO 3975WX and EPYC 9634, ask them in Comments section, and we shall answer.

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