Comparison of AMD Ryzen Threadripper Pro 3945WX and AMD Ryzen Threadripper Pro 3955WX

Attribute	AMD Ryzen Threadripper Pro 3955WX ×	AMD Ryzen Threadripper Pro 3945WX ×
General Information
Brand	AMD	AMD
Series	AMD Ryzen	AMD Ryzen
Model	AMD Ryzen Threadripper Pro 3955WX	AMD Ryzen Threadripper Pro 3945WX
CPU Cores and Base Frequency
CPU Cores	16	12
Frequency (GHz)	3.9	4
CPU Threads	32	24
Core architecture	normal	normal
Hyperthreading	+	+
Overclocking	+	+
Turbo (1 Core) (GHz)	4.3	4.3
Turbo (12 Cores) (GHz)	-	4.2
Turbo (16 Cores) (GHz)	4	-
Encryption
AES-NI	+	+
Hardware codec support
JPEG	No	No
h264	No	No
h265 / HEVC (8 bit)	No	No
h265 / HEVC (10 bit)	No	No
VP8	No	No
AV1	No	No
VC-1	No	No
VP9	No	No
AVC	No	No
Memory And PCIe
Memory type	DDR4-3200	DDR4-3200
Max. Memory (GB)	2,048	2,048
PCIe lanes	72	72
PCIe version	4.0	4.0
ECC	+	+
Memory channels	8	8
Technical details
Release date (year)	2021	2021
Technology (Nm)	7	7
Socket	WRX8 (sWRX8)	WRX8 (sWRX8)
Virtualization	amd pro amd-v	amd pro amd-v
L3-Cache (MB)	64	64
Architecture	Castle Peak (Zen 2)	Castle Peak (Zen 2)
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
Temp junction max (°C)	95	95
TDP (PL1) (W)	280	280
Benchmarks
Estimated results for PassMark CPU Mark	40,833	34,650
Geekbench 5, 64bit (Single-Core)	1,307	1,307
Geekbench 5, 64bit (Multi-Core)	15,679	12,828