AMD Ryzen Threadripper PRO 5955WX vs AMD EPYC 7643

Comparative analysis of AMD Ryzen Threadripper PRO 5955WX and AMD EPYC 7643 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.

AMD Ryzen Threadripper PRO 5955WX

AMD EPYC 7643

Differences

Reasons to consider the AMD Ryzen Threadripper PRO 5955WX

CPU is newer: launch date 11 month(s) later
Around 25% higher clock speed: 4.5 GHz vs 3.6 GHz
Around 65% better performance in PassMark - Single thread mark: 3335 vs 2020

Specifications (specs)
Launch date	8 Mar 2022 vs 15 Mar 2021
Maximum frequency	4.5 GHz vs 3.6 GHz
Benchmarks
PassMark - Single thread mark	3335 vs 2020

Reasons to consider the AMD EPYC 7643

32 more cores, run more applications at once: 48 vs 16
64 more threads: 96 vs 32
3x more L1 cache, more data can be stored in the L1 cache for quick access later
3x more L2 cache, more data can be stored in the L2 cache for quick access later
4x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 17% lower typical power consumption: 240 Watt vs 280 Watt
Around 83% better performance in PassMark - CPU mark: 91554 vs 50051

Specifications (specs)
Number of cores	48 vs 16
Number of threads	96 vs 32
L1 cache	3 MB vs 1 MB
L2 cache	24 MB vs 8 MB
L3 cache	256 MB vs 64 MB
Thermal Design Power (TDP)	240 Watt vs 280 Watt
Benchmarks
PassMark - CPU mark	91554 vs 50051

Compare benchmarks

CPU 1: AMD Ryzen Threadripper PRO 5955WX
CPU 2: AMD EPYC 7643

PassMark - Single thread mark

CPU 1

CPU 2

3335

2020

PassMark - CPU mark

CPU 1

CPU 2

50051

91554

Name	AMD Ryzen Threadripper PRO 5955WX	AMD EPYC 7643
PassMark - Single thread mark	3335	2020
PassMark - CPU mark	50051	91554

Compare specifications (specs)

	AMD Ryzen Threadripper PRO 5955WX	AMD EPYC 7643
Essentials
Architecture codename	Zen 3	Zen 3
Launch date	8 Mar 2022	15 Mar 2021
OPN Tray	100-000000447	100-000000326
Place in performance rating	171	178
Launch price (MSRP)		$4995
OPN PIB		100-100000326WOF
Vertical segment		Server
Performance
Base frequency	4.0 GHz	2.3 GHz
Die size	81 mm²
L1 cache	1 MB	3 MB
L2 cache	8 MB	24 MB
L3 cache	64 MB	256 MB
Manufacturing process technology	7 nm	7 nm+
Maximum case temperature (TCase)	95 °C
Maximum frequency	4.5 GHz	3.6 GHz
Number of cores	16	48
Number of threads	32	96
Transistor count	16600 million
Unlocked
Memory
ECC memory support
Max memory channels	8	8
Supported memory types	DDR4-3200	DDR4-3200
Maximum memory bandwidth		190.73 GB/s
Maximum memory size		4 TB
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	WRX8	SP3
Thermal Design Power (TDP)	280 Watt	240 Watt
Configurable TDP		225-240 Watt
Socket Count		1P/2P
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
AMD SenseMI
Virtualization
AMD Virtualization (AMD-V™)