Ryzen Threadripper PRO 3975WX vs Ryzen Threadripper PRO 3955WX

General info

Comparing Ryzen Threadripper PRO 3955WX and Ryzen Threadripper PRO 3975WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	163	55
Place by popularity	not in top-100	not in top-100
Value for money	16.80	16.92
Market segment	Server	Desktop processor
Series	AMD Ryzen Threadripper	AMD Ryzen Threadripper
Architecture codename	Matisse (2019−2020)	Matisse (2019−2020)
Release date	14 July 2020 (3 years ago)	14 July 2020 (3 years ago)
Current price	$1347	$2400

Value for money

Performance per price, higher is better.

Ryzen Threadripper PRO 3975WX has 1% better value for money than Ryzen Threadripper PRO 3955WX.

Technical specs

Ryzen Threadripper PRO 3955WX and Ryzen Threadripper PRO 3975WX 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	16 (Hexadeca-Core)	32 (Dotriaconta-Core)
Threads	32	64
Base clock speed	3.9 GHz	3.5 GHz
Boost clock speed	4.3 GHz	4.2 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	512K (per core)	512K (per core)
L3 cache	64 MB	128 MB
Chip lithography	7 nm, 12 nm	7 nm
Die size	74 mm2	74 mm2
Maximum core temperature	no data	95 °C
Maximum case temperature (TCase)	95 °C	95 °C
Number of transistors	3,800 million	3,800 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Ryzen Threadripper PRO 3955WX and Ryzen Threadripper PRO 3975WX 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	TR4	sWRX8
Power consumption (TDP)	280 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3955WX and Ryzen Threadripper PRO 3975WX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	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
AES-NI	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3955WX and Ryzen Threadripper PRO 3975WX are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3955WX and Ryzen Threadripper PRO 3975WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4-3200
Maximum memory size	2 TiB	2 TiB
Maximum memory bandwidth	204.8 GB/s	204.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

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Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3955WX and Ryzen Threadripper PRO 3975WX.

PCIe version	4.0	4.0
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.

Ryzen Threadripper PRO 3975WX outperforms Ryzen Threadripper PRO 3955WX by 56% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	26.11	40.74
Physical cores	16	32
Threads	32	64

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Should you still have questions on choice between Ryzen Threadripper PRO 3955WX and Ryzen Threadripper PRO 3975WX, ask them in Comments section, and we shall answer.

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