AMD Ryzen 9 3900X vs Intel Core i9-10900K

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Ryzen 9 3900X compared with Core i9-10900K

	AMDRyzen 9 3900X	IntelCore i9-10900K
Overview
Released
Released	July 2019	May 2020
Cores and clocks
Cores
Cores	12 (better)	10
Threads
Threads	24 (better)	20
Base clock
Base clock	3.8 GHz	3.7 GHz
Boost clock
Boost clock	4.6 GHz	5.3 GHz (better)
L3 cache
L3 cache	64 MB (better)	20 MB
Cores
Cores	Zen 2; Matisse; twelve cores with simultaneous multithreading. Two CPU chiplets with six active cores each and a separate I/O die (PCGamesN).	Hyper-Threading, Turbo Boost Max 3.0 and Thermal Velocity Boost supported.
Clocks
Clocks	Unlocked for overclocking; Precision Boost Overdrive with Automatic Overclocking supported, as described in AMD's launch notice.	Up to 5.3 GHz with Thermal Velocity Boost at its 70°C temperature threshold; up to 5.2 GHz with Turbo Boost Max 3.0, or 5.1 GHz with Turbo Boost 2.0. Configurable TDP-down to 95 W with a 3.3 GHz base clock. Tom's Hardware reports 250 W during boost; the current Intel specification page publishes TDP only.
Cache
Cache	768 KB L1; 6 MB L2; 64 MB L3.	–
Graphics and AI
Built-in graphics
Built-in graphics	No	Yes
Graphics
Graphics	No integrated graphics; a separate graphics card is required.	Intel UHD Graphics 630; 350 MHz base, up to 1.2 GHz; up to 64 GB shared graphics memory; three displays. HDMI up to 4096×2160 at 30 Hz; DisplayPort up to 4096×2304 at 60 Hz; Quick Sync Video supported.
Platform
Socket
Socket	AM4	LGA1200
Base power
Base power	105 W	125 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	Yes	No
Memory support
Memory support	DDR4; two channels; up to 3200 MT/s.	Up to 128 GB; two channels; DDR4-2933; 45.8 GB/s maximum bandwidth; ECC not supported.
PCIe
PCIe	PCIe 4.0 x16; AMD introduced PCIe 4.0 support with the X570 platform at launch.	PCIe 3.0; 16 CPU lanes, configured as 1×16, 2×8 or 1×8+2×4.
Chipsets
Chipsets	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).	14 nm; Comet Lake; 37.5 × 37.5 mm package; 100°C maximum junction temperature.
Cooler
Cooler	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.	No cooler included with the boxed processor (Tom's Hardware exact-model review); an LGA1200-compatible thermal solution is required.