AMD Ryzen 7 3700X vs AMD Ryzen 9 3900X

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Ryzen 7 3700X compared with Ryzen 9 3900X

	AMDRyzen 7 3700X	AMDRyzen 9 3900X
Overview
Released
Released	July 2019	July 2019
Cores and clocks
Cores
Cores	8	12 (better)
Threads
Threads	16	24 (better)
Base clock
Base clock	3.6 GHz	3.8 GHz
Boost clock
Boost clock	4.4 GHz	4.6 GHz (better)
L3 cache
L3 cache	32 MB	64 MB (better)
Cores
Cores	Zen 2; Matisse; eight cores with simultaneous multithreading. One CPU chiplet containing two four-core complexes and a separate I/O die (PCGamesN).	Zen 2; Matisse; twelve cores with simultaneous multithreading. Two CPU chiplets with six active cores each and a separate I/O die (PCGamesN).
Clocks
Clocks	Unlocked for overclocking; Precision Boost Overdrive with Automatic Overclocking supported, as described in AMD's launch notice.	Unlocked for overclocking; Precision Boost Overdrive with Automatic Overclocking supported, as described in AMD's launch notice.
Cache
Cache	512 KB L1; 4 MB L2; 32 MB L3.	768 KB L1; 6 MB L2; 64 MB L3.
Graphics and AI
Built-in graphics
Built-in graphics	No	No
Graphics
Graphics	No integrated graphics; a separate graphics card is required.	No integrated graphics; a separate graphics card is required.
Platform
Socket
Socket	AM4	AM4
Base power
Base power	65 W	105 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	Yes	Yes
Memory support
Memory support	DDR4; two channels; up to 3200 MT/s.	DDR4; two channels; up to 3200 MT/s.
PCIe
PCIe	PCIe 4.0 x16; AMD introduced PCIe 4.0 support with the X570 platform at launch.	PCIe 4.0 x16; AMD introduced PCIe 4.0 support with the X570 platform at launch.
Chipsets
Chipsets	X570 at launch; check the motherboard's CPU support list and BIOS for other AM4 boards.	X570 at launch; check the motherboard's CPU support list and BIOS for other AM4 boards.
Process
Process	TSMC 7nm FinFET CPU cores; 14nm I/O die (PCGamesN).	TSMC 7nm FinFET CPU cores; 14nm I/O die (PCGamesN).
Cooler
Cooler	Retail boxed processor includes AMD Wraith Prism (PCGamesN); AMD's current support specification does not name a cooler. Maximum operating temperature 95°C.	Retail boxed processor includes an RGB cooler (PCGamesN; inclusion also confirmed by TechRadar); AMD's current support specification does not name a cooler. Maximum operating temperature 95°C.