AMD Ryzen 9 3900XT vs Intel Core i7-12700K

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Ryzen 9 3900XT compared with Core i7-12700K

	AMDRyzen 9 3900XT	IntelCore i7-12700K
Overview
Released
Released	July 2020	November 2021
Cores and clocks
Cores
Cores	12	12 (8 performance, 4 efficiency)
Threads
Threads	24 (better)	20
Base clock
Base clock	3.8 GHz	3.6 GHz
Boost clock
Boost clock	4.7 GHz	5 GHz (better)
L3 cache
L3 cache	64 MB (better)	25 MB
Cores
Cores	Zen 2; Matisse	8 P-cores and 4 E-cores; 20 threads. Intel Thread Director supported.
Clocks
Clocks	–	P-cores: 3.6 GHz base, up to 4.9 GHz Turbo Boost 2.0 and 5 GHz Turbo Boost Max 3.0; E-cores: 2.7 GHz base, up to 3.8 GHz turbo.
Cache
Cache	L2 6 MB	25 MB Intel Smart Cache (L3); 12 MB total L2.
Graphics and AI
Built-in graphics
Built-in graphics	No	Yes
Graphics
Graphics	A separate graphics card is required	Intel UHD Graphics 770; 32 execution units; 300 MHz base, up to 1.5 GHz; Quick Sync Video; up to four displays.
Platform
Socket
Socket	AM4	LGA1700
Base power
Base power	105 W	125 W
Maximum power
Maximum power	–	190 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	Up to 128 GB; two channels; DDR5-4800 or DDR4-3200; 76.8 GB/s; ECC supported with an appropriate platform.
PCIe
PCIe	PCIe 4.0	PCIe 5.0 and 4.0; 20 CPU lanes: 1 × 16 + 4 or 2 × 8 + 4; DMI 4.0 × 8.
Process
Process	TSMC 7nm FinFET	Intel 7; Alder Lake; 45 × 37.5 mm package; 100°C maximum junction temperature.
Cooler
Cooler	No cooler included; AMD recommends a liquid cooler with at least a 280 mm radiator or equivalent air cooling; Tjmax 95°C	No cooler included with the boxed K processor (Intel support).