Intel Core i9-14900KS vs Intel Core i9-9900X

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Core i9-14900KS compared with Core i9-9900X

	IntelCore i9-14900KS	IntelCore i9-9900X
Overview
Released
Released	March 2024	2018
Cores and clocks
Cores
Cores	24 (8 performance, 16 efficiency) (better)	10
Threads
Threads	32 (better)	20
Base clock
Base clock	3.2 GHz	3.5 GHz
Boost clock
Boost clock	6.2 GHz (better)	4.5 GHz
L3 cache
L3 cache	36 MB (better)	19.25 MB
Cores
Cores	Raptor Lake; 8 Performance-cores with Hyper-Threading and 16 Efficient-cores	Skylake-X refresh; Hyper-Threading and an unlocked multiplier, confirmed by Intel’s exact-model launch table.
Clocks
Clocks	P-core base 3.2 GHz and turbo 5.7 GHz; E-core base 2.4 GHz and turbo 4.5 GHz; Turbo Boost Max 3.0 5.9 GHz; Thermal Velocity Boost up to 6.2 GHz	Turbo Boost Max 3.0 up to 4.50 GHz on the preferred cores; ordinary Turbo Boost 2.0 up to 4.40 GHz. Intel’s October 2018 announcement planned November availability. Ark’s contemporary exact-model report confirms Japanese retail sale on 14 December 2018, but earlier worldwide sale was not established; year precision is retained.
Cache
Cache	32 MB L2 cache	19.25 MB Intel Smart Cache; L3 designation confirmed by ComputerBase’s exact-model technical table and Newegg listing.
Graphics and AI
Built-in graphics
Built-in graphics	Yes	No
Graphics
Graphics	Intel UHD Graphics 770; 32 execution units; 300 MHz base and 1.65 GHz maximum dynamic clock	No processor graphics, explicitly confirmed by Intel’s exact-model support table.
Platform
Socket
Socket	LGA1700	LGA2066
Base power
Base power	150 W	165 W
Maximum power
Maximum power	253 W	–
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	–	No
Memory support
Memory support	Up to 192 GB; two channels; DDR5-5600 or DDR4-3200; ECC support depends on the motherboard and configuration	Up to 128 GB; four channels of DDR4-2666; 85 GB/s maximum published bandwidth; no ECC.
PCIe
PCIe	20 CPU lanes; PCIe 5.0 and 4.0	44 CPU lanes; PCIe 3.0. The 68-lane family platform figure includes chipset lanes.
Chipsets
Chipsets	Intel recommends Z790 or Z690 with the latest BIOS	Intel X299; LGA2066.
Process
Process	Intel 7	14 nm; Skylake-X refresh.
Cooler
Cooler	Maximum operating temperature 100 °C; maker maximum turbo power 253 W. The 320 W Extreme profiles used in launch reviews are separate operating configurations.	Intel explicitly excludes a fan and heatsink from the boxed product. Intel’s support article confirms solder thermal interface material for this exact model; published junction limit 92°C.