Intel Core i5-14400F vs Intel Core i7-3970X

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Core i5-14400F compared with Core i7-3970X

	IntelCore i5-14400F	IntelCore i7-3970X
Overview
Released
Released	January 2024	November 2012
Cores and clocks
Cores
Cores	10 (6 performance, 4 efficiency) (better)	6
Threads
Threads	16 (better)	12
Base clock
Base clock	2.5 GHz	3.5 GHz
Boost clock
Boost clock	4.7 GHz (better)	4 GHz
L3 cache
L3 cache	20 MB (better)	15 MB
Cores
Cores	6 Performance-cores and 4 Efficient-cores, with Hyper-Threading; codename Raptor Lake	Sandy Bridge-E; 6 cores with Hyper-Threading. The unlocked multiplier is confirmed by the exact-model 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	Turbo Boost 2.0 up to 4.00 GHz. November retail availability is established by Golem’s 14 November 2012 report of the exact model being offered by German retailers; Intel gives Q4 2012. An exact maker first-sale day was not established.
Cache
Cache	20 MB Intel Smart Cache (L3); 9.5 MB L2	–
Graphics and AI
Built-in graphics
Built-in graphics	No	No
Graphics
Graphics	None; a graphics card is required	No processor graphics, confirmed by Intel’s exact-model comparison-chart row; a separate graphics solution is required.
Platform
Socket
Socket	LGA1700	LGA2011
Base power
Base power	65 W	150 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	Four channels of DDR3-1066/1333/1600; maximum bandwidth 51.2 GB/s; no ECC. Current Intel ARK gives an anomalous 64.45 GB maximum memory size; that literal wording is retained here without treating it as a reliable numeric limit.
PCIe
PCIe	PCIe 5.0 and 4.0; 20 lanes (Up to 1x16+4, 2x8+4); DMI 4.0 x8	40 CPU lanes; PCIe 2.0 according to the current Intel specification page.
Chipsets
Chipsets	–	X79 and LGA2011, confirmed by the exact-model reviews.
Process
Process	Intel 7	32 nm; Sandy Bridge-E. Package size 52.5 × 45.0 mm.
Cooler
Cooler	max operating temperature 100 °C; thermal specification PCG 2020C	Intel explicitly excludes a fan and heatsink from the boxed product; a separate compatible cooler is required.