AMD Ryzen Threadripper 3970X vs AMD Ryzen Threadripper PRO 7955WX

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Ryzen Threadripper 3970X compared with Ryzen Threadripper PRO 7955WX

	AMDRyzen Threadripper 3970X	AMDRyzen Threadripper PRO 7955WX
Overview
Released
Released	November 2019	November 2023
Cores and clocks
Cores
Cores	32 (better)	16
Threads
Threads	64 (better)	32
Base clock
Base clock	3.7 GHz	4.5 GHz
Boost clock
Boost clock	4.5 GHz	5.3 GHz (better)
L3 cache
L3 cache	128 MB (better)	64 MB
Cores
Cores	Castle Peak; Zen 2 architecture; boxed product ID 100-100000011WOF. Requires sTRX4/TRX40, incompatible with sTR4/X399 motherboards. AMD confirms worldwide first availability on 25 November 2019, after its 7 November announcement.	Storm Peak; Zen 4. Boxed product ID 100-100000886WOF; tray ID 100-000000886. Announced 19 October 2023. HP stated November 2023 availability for the Z6 G5 A; its original 27 November QuickSpecs lists this exact processor as a factory option. Release is kept at OEM month precision; the exact first shipping day is unverified. AMD’s 21 November DIY date covered selected PRO models and is not applied here.
Clocks
Clocks	Maximum boost up to 4.5 GHz; unlocked for overclocking	Precision Boost 2; maximum boost up to 5.3 GHz. Unlocked for overclocking; OEM system restrictions can differ.
Cache
Cache	L1 2048 KB; L2 16 MB; the advertised 144 MB combined cache includes L2 and L3	L1 1024 KB; L2 16 MB; L3 64 MB
Graphics and AI
Built-in graphics
Built-in graphics	No	No
Graphics
Graphics	A separate graphics card is required	A separate graphics card is required
Platform
Socket
Socket	sTRX4	sTR5
Base power
Base power	280 W	350 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	No
Memory support
Memory support	DDR4; four channels; up to 3200 MT/s	DDR5 RDIMM; eight channels; up to 5200 MT/s; ECC enabled by default. WRX90 supports up to 2 TB and eight channels; TRX50 with a PRO processor supports up to 1 TB and four channels.
PCIe
PCIe	PCIe 4.0; AMD publishes 88 lanes across the processor and TRX40 chipset, with 72 usable	PCIe 5.0; native total/usable/Gen5 lanes: 148/144/128. AMD lists 128 Gen5 lanes on WRX90, or 48 on TRX50. Four native USB 3.2 Gen 2 ports and four SATA ports.
Chipsets
Chipsets	–	WRX90 and TRX50; motherboard and OEM system configuration determines available memory channels, I/O and overclocking support
Process
Process	CPU cores: TSMC 7 nm FinFET	CPU cores: TSMC 5 nm FinFET; I/O die: TSMC 6 nm FinFET. CCD 71 mm²; I/O die 388 mm²; three package dies.
Cooler
Cooler	No cooler included; maximum operating temperature 95°C	Cooler not included. Maximum operating temperature 95°C.