AMD Ryzen 7 9850X3D vs AMD Ryzen 9 7900

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Ryzen 7 9850X3D compared with Ryzen 9 7900

	AMDRyzen 7 9850X3D	AMDRyzen 9 7900
Overview
Released
Released	January 2026	January 2023
Cores and clocks
Cores
Cores	8	12 (better)
Threads
Threads	16	24 (better)
Base clock
Base clock	4.7 GHz	3.7 GHz
Boost clock
Boost clock	5.6 GHz (better)	5.4 GHz
L3 cache
L3 cache	96 MB (better)	64 MB
Cores
Cores	8 Zen 5 cores with simultaneous multithreading; codename Granite Ridge AM5; 2 dies in the package	Zen 4; Raphael; 3 package dies; simultaneous multithreading
Clocks
Clocks	Precision Boost 2; Precision Boost Overdrive and Curve Optimizer supported	Precision Boost 2; Precision Boost Overdrive and Curve Optimizer supported; first availability 10 January 2023 in AMD's launch release, although the current product page lists 14 January
Cache
Cache	L1 640 KB, L2 8 MB, L3 96 MB	L1 768 KB; L2 12 MB; L3 64 MB
Graphics and AI
Built-in graphics
Built-in graphics	Yes	Yes
Graphics
Graphics	AMD Radeon Graphics, 2 graphics cores at 2200 MHz; USB-C DisplayPort Alt Mode	AMD Radeon Graphics; 2 graphics cores at 2200 MHz; USB-C DisplayPort Alternate Mode supported
Platform
Socket
Socket	AM5	AM5
Base power
Base power	120 W	65 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	Yes
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 UDIMM; 2 memory channels; maximum 128 GB; ECC requires motherboard support. 2 single- or dual-rank DIMMs: DDR5-5200; 4 single- or dual-rank DIMMs: DDR5-3600; AMD EXPO memory overclocking supported
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; 28 native lanes, 24 usable; 4 native USB 3.2 Gen 2 ports, 1 USB 2.0 port; no native SATA ports
Chipsets
Chipsets	A620, X670E, X670, B650E, B650, X870E, X870, B840, B850	A620, X670E, X670, B650E, B650, X870E, X870, B840 and B850
Process
Process	TSMC 4nm FinFET (CPU cores), TSMC 6nm FinFET (I/O die)	TSMC 5nm FinFET CPU cores; TSMC 6nm FinFET I/O die; CPU compute die 71 mm², I/O die 122 mm²
Cooler
Cooler	Not included; Liquid cooler recommended for optimal performance; Tjmax 95°C	AMD Wraith Prism; Tjmax 95°C; bundled cooler confirmed in AMD launch release, omitted from the current technical page