AMD Ryzen Threadripper PRO 3945WX vs AMD Ryzen Threadripper PRO 3975WX

Comparative analysis of AMD Ryzen Threadripper PRO 3945WX and AMD Ryzen Threadripper PRO 3975WX 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, 3DMark Fire Strike - Physics Score.

AMD Ryzen Threadripper PRO 3945WX

AMD Ryzen Threadripper PRO 3975WX

Differences

Reasons to consider the AMD Ryzen Threadripper PRO 3945WX

Around 2% higher clock speed: 4.3 GHz vs 4.2 GHz
Around 1% better performance in PassMark - Single thread mark: 2702 vs 2676

Specifications (specs)
Maximum frequency	4.3 GHz vs 4.2 GHz
Benchmarks
PassMark - Single thread mark	2702 vs 2676

Reasons to consider the AMD Ryzen Threadripper PRO 3975WX

20 more cores, run more applications at once: 32 vs 12
40 more threads: 64 vs 24
2.7x more L1 cache, more data can be stored in the L1 cache for quick access later
2.7x 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
2.9x better performance in PassMark - CPU mark: 98811 vs 33506

Specifications (specs)
Number of cores	32 vs 12
Number of threads	64 vs 24
L1 cache	2 MB vs 768 KB
L2 cache	16 MB vs 6 MB
L3 cache	128 MB vs 64 MB
Benchmarks
PassMark - CPU mark	98811 vs 33506

Compare benchmarks

CPU 1: AMD Ryzen Threadripper PRO 3945WX
CPU 2: AMD Ryzen Threadripper PRO 3975WX

PassMark - Single thread mark

CPU 1

CPU 2

2702

2676

PassMark - CPU mark

CPU 1

CPU 2

33506

98811

Name	AMD Ryzen Threadripper PRO 3945WX	AMD Ryzen Threadripper PRO 3975WX
PassMark - Single thread mark	2702	2676
PassMark - CPU mark	33506	98811
3DMark Fire Strike - Physics Score		17270

Compare specifications (specs)

	AMD Ryzen Threadripper PRO 3945WX	AMD Ryzen Threadripper PRO 3975WX
Essentials
Architecture codename	Zen 2 (Matisse)	Zen 2 (Matisse)
Launch date	14 Jul 2020	14 Jul 2020
OPN Tray	100-000000168	100-000000086
Place in performance rating	432	78
Vertical segment	Desktop	Desktop
Performance
Base frequency	4.0 GHz	3.5 GHz
Die size	74 mm²	74 mm²
L1 cache	768 KB	2 MB
L2 cache	6 MB	16 MB
L3 cache	64 MB	128 MB
Manufacturing process technology	7 nm	7 nm
Maximum case temperature (TCase)	95 °C	95 °C
Maximum frequency	4.3 GHz	4.2 GHz
Number of cores	12	32
Number of threads	24	64
Transistor count	3800 million	3800 million
Unlocked
Memory
ECC memory support
Max memory channels	8	8
Supported memory frequency	DDR4-3200	DDR4-3200
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	TR4	TR4
Thermal Design Power (TDP)	280 Watt	280 Watt
Peripherals
Max number of PCIe lanes	128	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
Virtualization
AMD Virtualization (AMD-V™)