Intel Core i7-990X Extreme Edition 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 i7-990X Extreme Edition compared with Core i9-14900KS

	IntelCore i7-990X Extreme Edition	IntelCore i9-14900KS
Overview
Released
Released	February 2011	March 2024
Cores and clocks
Cores
Cores	6	24 (8 performance, 16 efficiency) (better)
Threads
Threads	12	32 (better)
Base clock
Base clock	3.46 GHz	3.2 GHz
Boost clock
Boost clock	3.73 GHz	6.2 GHz (better)
L3 cache
L3 cache	12 MB	36 MB (better)
Cores
Cores	Six cores and twelve threads with Hyper-Threading; unlocked multiplier confirmed by bit-tech’s exact review.	Raptor Lake; 8 Performance-cores with Hyper-Threading and 16 Efficient-cores
Clocks
Clocks	3.46 GHz base and up to 3.73 GHz Turbo Boost. Intel gives Q1 2011; contemporary TechSpot launch coverage and Newegg’s exact listing support February availability. A maker-confirmed first-sale day was not found.	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	12 MB shared L3 cache.	32 MB L2 cache
Graphics and AI
Built-in graphics
Built-in graphics	No	Yes
Graphics
Graphics	Intel's exact-model comparison chart lists no processor graphics.	Intel UHD Graphics 770; 32 execution units; 300 MHz base and 1.65 GHz maximum dynamic clock
Platform
Socket
Socket	LGA1366	LGA1700
Base power
Base power	130 W	150 W
Maximum power
Maximum power	–	253 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	Yes	–
Memory support
Memory support	Three-channel DDR3-1066 in Intel’s exact-model chart.	Up to 192 GB; two channels; DDR5-5600 or DDR4-3200; ECC support depends on the motherboard and configuration
PCIe
PCIe	The exact Newegg listing specifies 6.4 GT/s QPI. No processor PCIe lane count is assumed for this chipset-based platform.	20 CPU lanes; PCIe 5.0 and 4.0
Chipsets
Chipsets	–	Intel recommends Z790 or Z690 with the latest BIOS
Process
Process	32 nm; Gulftown.	Intel 7
Cooler
Cooler	Intel's 32 nm Core i7-900 datasheet includes an unattached fan heatsink with boxed processors. Tray and second-hand packages may differ.	Maximum operating temperature 100 °C; maker maximum turbo power 253 W. The 320 W Extreme profiles used in launch reviews are separate operating configurations.