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

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

	IntelCore i7-875K	IntelCore i9-14900K
Overview
Released
Released	June 2010	October 2023
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 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.	8 Performance-cores and 16 Efficient-cores, with Hyper-Threading; codename Raptor Lake
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, max turbo 5.6 GHz; E-core base 2.4 GHz, max turbo 4.4 GHz; Turbo Boost Max 3.0 5.8 GHz; Thermal Velocity Boost 6 GHz
Cache
Cache	8 MB shared L3 cache.	36 MB Intel Smart Cache (L3); 32 MB L2
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, up to 1.65 GHz; outputs eDP 1.4b, DP 1.4a, HDMI 2.1; up to 4 displays
Platform
Socket
Socket	LGA1156	LGA1700
Base power
Base power	95 W	125 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 DDR5 5600 MT/s or up to DDR4 3200 MT/s; 2 channels, up to 192 GB; ECC supported
PCIe
PCIe	16 PCIe 2.0 lanes in PC Perspective’s exact-model review introduction.	PCIe 5.0 and 4.0; 20 lanes (Up to 1x16+4, 2x8+4); DMI 4.0 x8
Chipsets
Chipsets	–	Intel 600 and 700 series
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.	max operating temperature 100 °C; thermal specification PCG 2020A