AMD Ryzen 9 9950X3D vs AMD Ryzen Threadripper PRO 9955WX

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Ryzen 9 9950X3D compared with Ryzen Threadripper PRO 9955WX

	AMDRyzen 9 9950X3D	AMDRyzen Threadripper PRO 9955WX
Overview
Released
Released	March 2025	July 2025
Cores and clocks
Cores
Cores	16	16
Threads
Threads	32	32
Base clock
Base clock	4.3 GHz	4.5 GHz
Boost clock
Boost clock	5.7 GHz (better)	5.4 GHz
L3 cache
L3 cache	128 MB (better)	64 MB
Cores
Cores	16 Zen 5 cores with simultaneous multithreading; codename Granite Ridge AM5; 3 dies in the package	Shimada Peak; Zen 5 architecture. Boxed 100-100000725WOF; tray 100-000000725. AMD’s 17 July 2025 blog names this model and says PRO 9000 systems are available starting 23 July; announcement and on-sale dates are distinct.
Clocks
Clocks	Precision Boost 2; Precision Boost Overdrive and Curve Optimizer supported	Precision Boost 2; Precision Boost Overdrive and Curve Optimizer voltage offsets supported
Cache
Cache	L1 1280 KB, L2 16 MB, L3 128 MB	L1 1280 KB; L2 16 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	sTR5
Base power
Base power	170 W	350 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	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	DDR5 RDIMM; eight channels; up to 6400 MT/s. ECC enabled by default; AMD EXPO supported. WRX90 supports up to 2 TB; TRX50 reduces this to four channels and up to 1 TB.
PCIe
PCIe	PCIe 5.0; 28 lanes (24 usable); native USB: 4 × USB 3.2 Gen 2 (10Gbps), 1 × USB 2.0	PCIe 5.0; 148 native/platform lanes, 144 usable, including 128 PCIe 5.0 lanes with WRX90. TRX50 limits expansion to 92 total/88 usable lanes, including 80 PCIe 5.0. Four native USB 3.2 Gen 2 ports and four SATA ports; NVMe boot and RAID 0, 1, 5 and 10 supported.
Chipsets
Chipsets	A620, X670E, X670, B650E, B650, X870E, X870, B840, B850	WRX90, TRX50 and AMD PRO 695; AMD PRO technologies, DASH management and AMD Memory Guard supported. Platform capabilities depend on the motherboard; AMD’s platform guide says OEM systems do not support overclocking.
Process
Process	TSMC 4nm FinFET (CPU cores), TSMC 6nm FinFET (I/O die)	CPU cores: TSMC 4 nm FinFET; I/O die: TSMC 6 nm FinFET. 3 package dies.
Cooler
Cooler	Not included; Liquid cooler recommended for optimal performance; Tjmax 95°C	Cooler not included; maximum operating temperature 95°C