AMD Ryzen 7 7800X3D vs Intel Core i9-11900K

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Ryzen 7 7800X3D compared with Core i9-11900K

	AMDRyzen 7 7800X3D	IntelCore i9-11900K
Overview
Released
Released	April 2023	March 2021
Cores and clocks
Cores
Cores	8	8
Threads
Threads	16	16
Base clock
Base clock	4.2 GHz	3.5 GHz
Boost clock
Boost clock	5 GHz	5.3 GHz (better)
L3 cache
L3 cache	96 MB (better)	16 MB
Cores
Cores	8 Zen 4 cores with simultaneous multithreading; codename Raphael AM5; 2 dies in the package	Hyper-Threading, Turbo Boost Max 3.0, Thermal Velocity Boost, AVX-512 and Deep Learning Boost supported. General retail sale began 30 March 2021, according to Intel's sales-embargo statement reported by Windows Central; the 16 March maker press release was the announcement.
Clocks
Clocks	Precision Boost 2; Precision Boost Overdrive and Curve Optimizer supported	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 GHz base clock. Adaptive Boost Technology raises all-core clocks when power and thermal conditions allow (PC Gamer). Tom's Hardware reports 250 W PL2; the current Intel specification page publishes TDP only.
Cache
Cache	L1 512 KB, L2 8 MB, L3 96 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	Intel UHD Graphics 750; 32 execution units; 350 MHz base, up to 1.3 GHz; up to 64 GB shared graphics memory; three displays. HDMI up to 4096×2160 at 60 Hz; DisplayPort up to 5120×3200 at 60 Hz; Quick Sync Video supported.
AI engine
AI engine	–	Intel Gaussian & Neural Accelerator 2.0; Deep Learning Boost on the CPU.
Platform
Socket
Socket	AM5	LGA1200
Base power
Base power	120 W	125 W
Unlocked
Unlocked	No	Yes
Cooler in the box
Cooler in the box	No	No
Memory support
Memory support	DDR5, 2 channels, up to 128 GB (UDIMM); DDR5-5200 with 2 modules, DDR5-3600 with 4; ECC with motherboard support	Up to 128 GB; two channels; DDR4-3200; 50 GB/s maximum bandwidth; ECC not supported. Tom's Hardware identifies DDR4-3200 Gear 1 as officially supported on the Core i9 models.
PCIe
PCIe	PCIe 5.0; 28 lanes (24 usable); native USB: 4 × USB 3.2 Gen 2 (10Gbps), 1 × USB 2.0	PCIe 4.0; 20 CPU lanes, configured as 1×16+1×4, 2×8+1×4 or 1×8+3×4.
Chipsets
Chipsets	A620, X670E, X670, B650E, B650, X870E, X870, B840, B850	–
Process
Process	TSMC 5nm FinFET (CPU cores), TSMC 6nm FinFET (I/O die)	14 nm; Rocket Lake; 37.5 × 37.5 mm package; 100°C maximum junction temperature. Cypress Cove CPU architecture (Intel launch announcement).
Cooler
Cooler	Not included; Liquid cooler recommended for optimal performance; Tjmax 89°C	No cooler included with the boxed processor (Tom's Hardware exact-model review).