Intel Core i9-12900K vs Intel Core i9-12900KS

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Core i9-12900K compared with Core i9-12900KS

	IntelCore i9-12900K	IntelCore i9-12900KS
Overview
Released
Released	November 2021	April 2022
Cores and clocks
Cores
Cores	16 (8 performance, 8 efficiency)	16 (8 performance, 8 efficiency)
Threads
Threads	24	24
Base clock
Base clock	3.2 GHz	3.4 GHz
Boost clock
Boost clock	5.2 GHz	5.5 GHz (better)
L3 cache
L3 cache	30 MB	30 MB
Cores
Cores	8 P-cores and 8 E-cores; 24 threads. Intel Thread Director supported.	Alder Lake; 8 Performance-cores with Hyper-Threading and 8 Efficient-cores
Clocks
Clocks	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.	P-core base 3.4 GHz and turbo 5.2 GHz; E-core base 2.5 GHz and turbo 4 GHz; Turbo Boost Max 3.0 5.3 GHz; Thermal Velocity Boost up to 5.5 GHz
Cache
Cache	30 MB Intel Smart Cache (L3); 14 MB total L2.	14 MB L2 cache
Graphics and AI
Built-in graphics
Built-in graphics	Yes	Yes
Graphics
Graphics	Intel UHD Graphics 770; 32 execution units; 300 MHz base, up to 1.55 GHz; Quick Sync Video; up to four displays.	Intel UHD Graphics 770; 32 execution units; 300 MHz base and 1.55 GHz maximum dynamic clock
Platform
Socket
Socket	LGA1700	LGA1700
Base power
Base power	125 W	150 W
Maximum power
Maximum power	241 W	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; DDR5-4800 or DDR4-3200; 76.8 GB/s; ECC supported with an appropriate platform.	Up to 128 GB; two channels; DDR5-4800 or DDR4-3200; ECC support depends on the motherboard and configuration
PCIe
PCIe	PCIe 5.0 and 4.0; 20 CPU lanes: 1 × 16 + 4 or 2 × 8 + 4; DMI 4.0 × 8.	20 CPU lanes; PCIe 5.0 and 4.0
Chipsets
Chipsets	–	Z690 with the latest BIOS; maker retail and OEM availability began on 5 April 2022, rather than the Q1 launch quarter listed in ARK
Process
Process	Intel 7; Alder Lake; 45 × 37.5 mm package; 100°C maximum junction temperature.	Intel 7
Cooler
Cooler	No cooler included with the boxed K processor (Intel support).	No cooler included, as explicitly reported by TechSpot and HotHardware; a separate cooler is required