Intel Core i9-11900K vs Intel Core i9-12900K

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Core i9-11900K compared with Core i9-12900K

	IntelCore i9-11900K	IntelCore i9-12900K
Overview
Released
Released	March 2021	November 2021
Cores and clocks
Cores
Cores	8	16 (8 performance, 8 efficiency) (better)
Threads
Threads	16	24 (better)
Base clock
Base clock	3.5 GHz	3.2 GHz
Boost clock
Boost clock	5.3 GHz (better)	5.2 GHz
L3 cache
L3 cache	16 MB	30 MB (better)
Cores
Cores	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.	8 P-cores and 8 E-cores; 24 threads. Intel Thread Director supported.
Clocks
Clocks	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.	P-cores: 3.2 GHz base, up to 5.1 GHz Turbo Boost 2.0 and 5.2 GHz Turbo Boost Max 3.0; E-cores: 2.4 GHz base, up to 3.9 GHz turbo.
Cache
Cache	–	30 MB Intel Smart Cache (L3); 14 MB total L2.
Graphics and AI
Built-in graphics
Built-in graphics	Yes	Yes
Graphics
Graphics	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.	Intel UHD Graphics 770; 32 execution units; 300 MHz base, up to 1.55 GHz; Quick Sync Video; up to four displays.
AI engine
AI engine	Intel Gaussian & Neural Accelerator 2.0; Deep Learning Boost on the CPU.	–
Platform
Socket
Socket	LGA1200	LGA1700
Base power
Base power	125 W	125 W
Maximum power
Maximum power	–	241 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	No
Memory support
Memory 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.	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; 20 CPU lanes, configured as 1×16+1×4, 2×8+1×4 or 1×8+3×4.	PCIe 5.0 and 4.0; 20 CPU lanes: 1 × 16 + 4 or 2 × 8 + 4; DMI 4.0 × 8.
Process
Process	14 nm; Rocket Lake; 37.5 × 37.5 mm package; 100°C maximum junction temperature. Cypress Cove CPU architecture (Intel launch announcement).	Intel 7; Alder Lake; 45 × 37.5 mm package; 100°C maximum junction temperature.
Cooler
Cooler	No cooler included with the boxed processor (Tom's Hardware exact-model review).	No cooler included with the boxed K processor (Intel support).