Intel Core i5-14400F vs Intel Core i7-875K

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Core i5-14400F compared with Core i7-875K

	IntelCore i5-14400F	IntelCore i7-875K
Overview
Released
Released	January 2024	June 2010
Cores and clocks
Cores
Cores	10 (6 performance, 4 efficiency) (better)	4
Threads
Threads	16 (better)	8
Base clock
Base clock	2.5 GHz	2.93 GHz
Boost clock
Boost clock	4.7 GHz (better)	3.6 GHz
L3 cache
L3 cache	20 MB (better)	8 MB
Cores
Cores	6 Performance-cores and 4 Efficient-cores, with Hyper-Threading; codename Raptor Lake	Four cores and eight threads with Hyper-Threading; unlocked multiplier confirmed in both exact reviews.
Clocks
Clocks	P-core base 2.5 GHz, max turbo 4.7 GHz; E-core base 1.8 GHz, max turbo 3.5 GHz	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.
Cache
Cache	20 MB Intel Smart Cache (L3); 9.5 MB L2	8 MB shared L3 cache.
Graphics and AI
Built-in graphics
Built-in graphics	No	No
Graphics
Graphics	None; a graphics card is required	Intel’s exact-model chart lists no processor graphics.
Platform
Socket
Socket	LGA1700	LGA1156
Base power
Base power	65 W	95 W
Maximum power
Maximum power	148 W	–
Unlocked
Unlocked	No	Yes
Cooler in the box
Cooler in the box	–	No
Memory support
Memory support	Up to DDR5 4800 MT/s or up to DDR4 3200 MT/s; 2 channels, up to 192 GB	DDR3-1333 rated maximum in Intel’s exact chart; two-channel memory confirmed by bit-tech’s exact review.
PCIe
PCIe	PCIe 5.0 and 4.0; 20 lanes (Up to 1x16+4, 2x8+4); DMI 4.0 x8	16 PCIe 2.0 lanes in PC Perspective’s exact-model review introduction.
Process
Process	Intel 7	45 nm; Lynnfield.
Cooler
Cooler	max operating temperature 100 °C; thermal specification PCG 2020C	The exact Newegg listing and contemporary AKIBA PC Hotline retail report confirm that the boxed model has no cooler.