AMD Ryzen 7 3800X vs AMD Ryzen 9 9950X3D

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Ryzen 7 3800X compared with Ryzen 9 9950X3D

	AMDRyzen 7 3800X	AMDRyzen 9 9950X3D
Overview
Released
Released	July 2019	March 2025
Cores and clocks
Cores
Cores	8	16 (better)
Threads
Threads	16	32 (better)
Base clock
Base clock	3.9 GHz	4.3 GHz
Boost clock
Boost clock	4.5 GHz	5.7 GHz (better)
L3 cache
L3 cache	32 MB	128 MB (better)
Cores
Cores	Zen 2; Matisse; simultaneous multithreading	16 Zen 5 cores with simultaneous multithreading; codename Granite Ridge AM5; 3 dies in the package
Clocks
Clocks	Up to 4.5 GHz boost; unlocked for overclocking	Precision Boost 2; Precision Boost Overdrive and Curve Optimizer supported
Cache
Cache	L1 512 KB; L2 4 MB; L3 32 MB	L1 1280 KB, L2 16 MB, L3 128 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	Yes	No
Memory support
Memory support	DDR4; 2 memory channels; 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 x16	PCIe 5.0; 28 lanes (24 usable); native USB: 4 × USB 3.2 Gen 2 (10Gbps), 1 × USB 2.0
Chipsets
Chipsets	–	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	AMD Wraith Prism RGB included (Hexus and TechSpot); Tjmax 95°C	Not included; Liquid cooler recommended for optimal performance; Tjmax 95°C