AMD Ryzen Threadripper 2950X vs AMD Ryzen Threadripper PRO 3955WX

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Ryzen Threadripper 2950X compared with Ryzen Threadripper PRO 3955WX

	AMDRyzen Threadripper 2950X	AMDRyzen Threadripper PRO 3955WX
Overview
Released
Released	August 2018	September 2020
Cores and clocks
Cores
Cores	16	16
Threads
Threads	32	32
Base clock
Base clock	3.5 GHz	3.9 GHz
Boost clock
Boost clock	4.4 GHz (better)	4.3 GHz
L3 cache
L3 cache	32 MB	64 MB (better)
Cores
Cores	Colfax; Zen+ architecture; boxed product ID YD295XA8AFWOF; compatible with X399 motherboards after an appropriate BIOS update	Castle Peak; Zen 2. Boxed product ID 100-100000167WOF; tray ID 100-000000167. 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 Release is kept at OEM month precision; an exact first-sale day for this model is unpublished.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	Precision Boost 2, XFR2 and Precision Boost Overdrive supported	Precision Boost 2; maximum boost up to 4.3 GHz. Locked for overclocking.
Cache
Cache	L1 1536 KB; L2 8 MB	L1 1024 KB; L2 8 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	sTR4	sWRX8
Base power
Base power	180 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 2933 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 3.0; 64 lanes	PCIe 4.0; AMD’s exact-model launch table lists 128 lanes
Process
Process	12 nm	CPU cores: TSMC 7 nm FinFET
Cooler
Cooler	No cooler included; maximum operating temperature 68°C	AMD’s current specification does not state whether a cooler is included. Maximum operating temperature 90°C.