AMD Ryzen 9 5950X vs AMD Ryzen 9 9950X

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Ryzen 9 5950X compared with Ryzen 9 9950X

	AMDRyzen 9 5950X	AMDRyzen 9 9950X
Overview
Released
Released	November 2020	August 2024
Cores and clocks
Cores
Cores	16	16
Threads
Threads	32	32
Base clock
Base clock	3.4 GHz	4.3 GHz
Boost clock
Boost clock	4.9 GHz	5.7 GHz (better)
L3 cache
L3 cache	64 MB	64 MB
Cores
Cores	Zen 3; Vermeer.	16 Zen 5 cores with simultaneous multithreading; codename Granite Ridge AM5; 3 dies in the package
Clocks
Clocks	Unlocked for overclocking; Precision Boost 2 and Precision Boost Overdrive described in AMD's launch notice.	Precision Boost 2; Precision Boost Overdrive and Curve Optimizer supported
Cache
Cache	8 MB L2; Zen 3's unified eight-core complex provides 32 MB of L3 cache per complex, as described in AMD's launch notice.	L1 1280 KB, L2 16 MB, L3 64 MB
Graphics and AI
Built-in graphics
Built-in graphics	No	Yes
Graphics
Graphics	A separate graphics card is required.	AMD Radeon Graphics, 2 graphics cores at 2200 MHz; USB-C DisplayPort Alt Mode
Platform
Socket
Socket	AM4	AM5
Base power
Base power	105 W	170 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	No
Memory support
Memory support	DDR4; up to 3200 MT/s.	DDR5, 2 channels, up to 256 GB (UDIMM); DDR5-5600 with 2 modules, DDR5-3600 with 4; ECC with motherboard support
PCIe
PCIe	PCIe 4.0.	PCIe 5.0; 28 lanes (24 usable); native USB: 4 × USB 3.2 Gen 2 (10Gbps), 1 × USB 2.0
Chipsets
Chipsets	AMD's launch notice specifies 500-series motherboards with a BIOS update; check the motherboard CPU support list.	A620, X670E, X670, B650E, B650, X870E, X870, B840, B850
Process
Process	TSMC 7nm FinFET CPU cores.	TSMC 4nm FinFET (CPU cores), TSMC 6nm FinFET (I/O die)
Cooler
Cooler	No thermal solution included; AMD recommends liquid cooling for optimal performance. Maximum operating temperature 90°C.	Not included; Liquid cooler recommended for optimal performance; Tjmax 95°C