Intel Core i5-6600K vs Intel Core i9-14900KS

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

Core i5-6600K compared with Core i9-14900KS

	IntelCore i5-6600K	IntelCore i9-14900KS
Overview
Released
Released	August 2015	March 2024
Cores and clocks
Cores
Cores	4	24 (8 performance, 16 efficiency) (better)
Threads
Threads	4	32 (better)
Base clock
Base clock	3.5 GHz	3.2 GHz
Boost clock
Boost clock	3.9 GHz	6.2 GHz (better)
L3 cache
L3 cache	6 MB	36 MB (better)
Cores
Cores	Skylake; four cores without Hyper-Threading; unlocked multiplier confirmed in Intel's Gamescom release	Raptor Lake; 8 Performance-cores with Hyper-Threading and 16 Efficient-cores
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
Cache
Cache	–	32 MB L2 cache
Graphics and AI
Built-in graphics
Built-in graphics	Yes	Yes
Graphics
Graphics	Intel HD Graphics 530; maker clocks 350 MHz base and 1.15 GHz maximum dynamic clock, rather than differing launch-review figures	Intel UHD Graphics 770; 32 execution units; 300 MHz base and 1.65 GHz maximum dynamic clock
Platform
Socket
Socket	LGA1151	LGA1700
Base power
Base power	91 W	150 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 64 GB; two channels; DDR4-1866/2133 or DDR3L-1333/1600 at 1.35 V; maximum bandwidth 34.1 GB/s; no ECC support	Up to 192 GB; two channels; DDR5-5600 or DDR4-3200; ECC support depends on the motherboard and configuration
PCIe
PCIe	16 CPU lanes; PCIe 3.0	20 CPU lanes; PCIe 5.0 and 4.0
Chipsets
Chipsets	LGA1151 Skylake platform; Intel's 5 August 2015 release names the 6600K boxed processor and systems as available immediately	Intel recommends Z790 or Z690 with the latest BIOS
Process
Process	14 nm	Intel 7
Cooler
Cooler	Intel lists no included heatsink; a separate cooler is required, despite the bundled-cooler implication in Expert Reviews	Maximum operating temperature 100 °C; maker maximum turbo power 253 W. The 320 W Extreme profiles used in launch reviews are separate operating configurations.