AMD Ryzen 9 9950X vs AMD Ryzen Threadripper PRO 3955WX

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Ryzen 9 9950X compared with Ryzen Threadripper PRO 3955WX

	AMDRyzen 9 9950X	AMDRyzen Threadripper PRO 3955WX
Overview
Released
Released	August 2024	September 2020
Cores and clocks
Cores
Cores	16	16
Threads
Threads	32	32
Base clock
Base clock	4.3 GHz	3.9 GHz
Boost clock
Boost clock	5.7 GHz (better)	4.3 GHz
L3 cache
L3 cache	64 MB	64 MB
Cores
Cores	16 Zen 5 cores with simultaneous multithreading; codename Granite Ridge AM5; 3 dies in the package	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 Release is kept at OEM month precision; an exact first-sale day for this model is unpublished.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; Precision Boost Overdrive and Curve Optimizer supported	Precision Boost 2; maximum boost up to 4.3 GHz. Locked for overclocking.
Cache
Cache	L1 1280 KB, L2 16 MB, L3 64 MB	L1 1024 KB; L2 8 MB; L3 64 MB
Graphics and AI
Built-in graphics
Built-in graphics	Yes	No
Graphics
Graphics	AMD Radeon Graphics, 2 graphics cores at 2200 MHz; USB-C DisplayPort Alt Mode	A separate graphics card is required
Platform
Socket
Socket	AM5	sWRX8
Base power
Base power	170 W	280 W
Unlocked
Unlocked	Yes	No
Cooler in the box
Cooler in the box	No	–
Memory support
Memory support	DDR5, 2 channels, up to 256 GB (UDIMM); DDR5-5600 with 2 modules, DDR5-3600 with 4; ECC with motherboard support	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 5.0; 28 lanes (24 usable); native USB: 4 × USB 3.2 Gen 2 (10Gbps), 1 × USB 2.0	PCIe 4.0; AMD’s exact-model launch table lists 128 lanes
Chipsets
Chipsets	A620, X670E, X670, B650E, B650, X870E, X870, B840, B850	–
Process
Process	TSMC 4nm FinFET (CPU cores), TSMC 6nm FinFET (I/O die)	CPU cores: TSMC 7 nm FinFET
Cooler
Cooler	Not included; Liquid cooler recommended for optimal performance; Tjmax 95°C	AMD’s current specification does not state whether a cooler is included. Maximum operating temperature 90°C.