Intel Core i7-875K vs Intel Core i9-14900KS

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Core i7-875K compared with Core i9-14900KS

	IntelCore i7-875K	IntelCore i9-14900KS
Overview
Released
Released	June 2010	March 2024
Cores and clocks
Cores
Cores	4	24 (8 performance, 16 efficiency) (better)
Threads
Threads	8	32 (better)
Base clock
Base clock	2.93 GHz	3.2 GHz
Boost clock
Boost clock	3.6 GHz	6.2 GHz (better)
L3 cache
L3 cache	8 MB	36 MB (better)
Cores
Cores	Four cores and eight threads with Hyper-Threading; unlocked multiplier confirmed in both exact reviews.	Raptor Lake; 8 Performance-cores with Hyper-Threading and 16 Efficient-cores
Clocks
Clocks	2.93 GHz base and up to 3.60 GHz Turbo Boost. Intel’s exact comparison chart gives Q2 2010. The 28 May review/announcement precedes the June retail availability documented by AKIBA PC Hotline; month precision is retained because 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	8 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 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	LGA1156	LGA1700
Base power
Base power	95 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	DDR3-1333 rated maximum in Intel’s exact chart; two-channel memory confirmed by bit-tech’s exact review.	Up to 192 GB; two channels; DDR5-5600 or DDR4-3200; ECC support depends on the motherboard and configuration
PCIe
PCIe	16 PCIe 2.0 lanes in PC Perspective’s exact-model review introduction.	20 CPU lanes; PCIe 5.0 and 4.0
Chipsets
Chipsets	–	Intel recommends Z790 or Z690 with the latest BIOS
Process
Process	45 nm; Lynnfield.	Intel 7
Cooler
Cooler	The exact Newegg listing and contemporary AKIBA PC Hotline retail report confirm that the boxed model has no 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.