AMD Ryzen Threadripper PRO 3975WX vs AMD Ryzen Threadripper 3990X

Comparative analysis of AMD Ryzen Threadripper PRO 3975WX and AMD Ryzen Threadripper 3990X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

AMD Ryzen Threadripper PRO 3975WX

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AMD Ryzen Threadripper 3990X

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Differences

Reasons to consider the AMD Ryzen Threadripper PRO 3975WX

CPU is newer: launch date 5 month(s) later
Around 4% better performance in PassMark - Single thread mark: 2665 vs 2555

Specifications (specs)
Launch date	14 Jul 2020 vs 7 Feb 2020
Benchmarks
PassMark - Single thread mark	2665 vs 2555

Reasons to consider the AMD Ryzen Threadripper 3990X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
32 more cores, run more applications at once: 64 vs 32
64 more threads: 128 vs 64
Around 2% higher clock speed: 4.3 GHz vs 4.2 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 28% better performance in PassMark - CPU mark: 80972 vs 63442

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	64 vs 32
Number of threads	128 vs 64
Maximum frequency	4.3 GHz vs 4.2 GHz
L1 cache	4 MB vs 2 MB
L2 cache	32 MB vs 16 MB
L3 cache	256 MB vs 128 MB
Benchmarks
PassMark - CPU mark	80972 vs 63442

Compare benchmarks

CPU 1: AMD Ryzen Threadripper PRO 3975WX
CPU 2: AMD Ryzen Threadripper 3990X

PassMark - Single thread mark

CPU 1

CPU 2

2665

2555

PassMark - CPU mark

CPU 1

CPU 2

63442

80972

Name	AMD Ryzen Threadripper PRO 3975WX	AMD Ryzen Threadripper 3990X
PassMark - Single thread mark	2665	2555
PassMark - CPU mark	63442	80972
Geekbench 4 - Single Core		1214
Geekbench 4 - Multi-Core		23273
3DMark Fire Strike - Physics Score		11061

Compare specifications (specs)

	AMD Ryzen Threadripper PRO 3975WX	AMD Ryzen Threadripper 3990X
Essentials
Architecture codename	Zen 2 (Matisse)	Zen
Launch date	14 Jul 2020	7 Feb 2020
OPN Tray	100-000000086	100-000000163
Place in performance rating	6	18
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$3990
OPN PIB		100-100000163WOF
Performance
Base frequency	3.5 GHz	2.9 GHz
Die size	74 mm²
L1 cache	2 MB	4 MB
L2 cache	16 MB	32 MB
L3 cache	128 MB	256 MB
Manufacturing process technology	7 nm	7 nm
Maximum case temperature (TCase)	95 °C
Maximum frequency	4.2 GHz	4.3 GHz
Number of cores	32	64
Number of threads	64	128
Transistor count	3800 million
Unlocked
Maximum core temperature		95 °C
Memory
ECC memory support
Max memory channels	8	8
Supported memory frequency	DDR4-3200
Maximum memory size		512 GB
Supported memory types		DDR4-3200
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	TR4	sTRX4
Thermal Design Power (TDP)	280 Watt	280 Watt
Peripherals
Max number of PCIe lanes	128
PCI Express revision	4.0	4.0
Advanced Technologies
Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
The "Zen" Core Architecture
Virtualization
AMD Virtualization (AMD-V™)