AMD Ryzen Threadripper 3970X vs AMD Ryzen Threadripper PRO 3975WX

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Ryzen Threadripper 3970X compared with Ryzen Threadripper PRO 3975WX

	AMDRyzen Threadripper 3970X	AMDRyzen Threadripper PRO 3975WX
Overview
Released
Released	November 2019	September 2020
Cores and clocks
Cores
Cores	32	32
Threads
Threads	64	64
Base clock
Base clock	3.7 GHz	3.5 GHz
Boost clock
Boost clock	4.5 GHz (better)	4.2 GHz
L3 cache
L3 cache	128 MB	128 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.	Castle Peak; Zen 2. Boxed product ID 100-100000086WOF; tray ID 100-000000086. Announced 14 July 2020. Lenovo stated September 2020 availability for the first ThinkStation P620 systems, and confirmed them shipping on 14 October. Release is kept at OEM month precision; an exact first-sale day for this model is unpublished. AMD later announced March 2021 standalone retail availability for this model.
Clocks
Clocks	Maximum boost up to 4.5 GHz; unlocked for overclocking	Precision Boost 2; maximum boost up to 4.2 GHz. Locked for overclocking.
Cache
Cache	L1 2048 KB; L2 16 MB; the advertised 144 MB combined cache includes L2 and L3	L1 2048 KB; L2 16 MB; L3 128 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	sWRX8
Base power
Base power	280 W	280 W
Unlocked
Unlocked	Yes	No
Cooler in the box
Cooler in the box	No	–
Memory support
Memory support	DDR4; four channels; up to 3200 MT/s	DDR4; eight channels; up to 3200 MT/s. AMD’s exact-model launch table supports up to 2 TB ECC UDIMM, RDIMM or LRDIMM memory; motherboard and system limits can be lower.
PCIe
PCIe	PCIe 4.0; AMD publishes 88 lanes across the processor and TRX40 chipset, with 72 usable	PCIe 4.0; AMD’s exact-model launch table lists 128 lanes
Process
Process	CPU cores: TSMC 7 nm FinFET	CPU cores: TSMC 7 nm FinFET
Cooler
Cooler	No cooler included; maximum operating temperature 95°C	AMD’s current specification does not state whether a cooler is included. Maximum operating temperature 90°C.