Intel Core i5-14400F vs Intel Core i7-990X Extreme Edition

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Core i5-14400F compared with Core i7-990X Extreme Edition

	IntelCore i5-14400F	IntelCore i7-990X Extreme Edition
Overview
Released
Released	January 2024	February 2011
Cores and clocks
Cores
Cores	10 (6 performance, 4 efficiency) (better)	6
Threads
Threads	16 (better)	12
Base clock
Base clock	2.5 GHz	3.46 GHz
Boost clock
Boost clock	4.7 GHz (better)	3.73 GHz
L3 cache
L3 cache	20 MB (better)	12 MB
Cores
Cores	6 Performance-cores and 4 Efficient-cores, with Hyper-Threading; codename Raptor Lake	Six cores and twelve threads with Hyper-Threading; unlocked multiplier confirmed by bit-tech’s exact review.
Clocks
Clocks	P-core base 2.5 GHz, max turbo 4.7 GHz; E-core base 1.8 GHz, max turbo 3.5 GHz	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.
Cache
Cache	20 MB Intel Smart Cache (L3); 9.5 MB L2	12 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 comparison chart lists no processor graphics.
Platform
Socket
Socket	LGA1700	LGA1366
Base power
Base power	65 W	130 W
Maximum power
Maximum power	148 W	–
Unlocked
Unlocked	No	Yes
Cooler in the box
Cooler in the box	–	Yes
Memory support
Memory support	Up to DDR5 4800 MT/s or up to DDR4 3200 MT/s; 2 channels, up to 192 GB	Three-channel DDR3-1066 in Intel’s exact-model chart.
PCIe
PCIe	PCIe 5.0 and 4.0; 20 lanes (Up to 1x16+4, 2x8+4); DMI 4.0 x8	The exact Newegg listing specifies 6.4 GT/s QPI. No processor PCIe lane count is assumed for this chipset-based platform.
Process
Process	Intel 7	32 nm; Gulftown.
Cooler
Cooler	max operating temperature 100 °C; thermal specification PCG 2020C	Intel's 32 nm Core i7-900 datasheet includes an unattached fan heatsink with boxed processors. Tray and second-hand packages may differ.