Intel Core i7-14700K vs Intel Core i7-7740X

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

Core i7-14700K compared with Core i7-7740X

	IntelCore i7-14700K	IntelCore i7-7740X
Overview
Released
Released	October 2023	June 2017
Cores and clocks
Cores
Cores	20 (8 performance, 12 efficiency) (better)	4
Threads
Threads	28 (better)	8
Base clock
Base clock	3.4 GHz	4.3 GHz
Boost clock
Boost clock	5.6 GHz (better)	4.5 GHz
L3 cache
L3 cache	33 MB (better)	8 MB
Cores
Cores	8 Performance-cores and 12 Efficient-cores, with Hyper-Threading; codename Raptor Lake	Kaby Lake-X with Hyper-Threading; unlocked core multiplier confirmed by KitGuru’s exact-model technical table and overclocking test.
Clocks
Clocks	P-core base 3.4 GHz, max turbo 5.5 GHz; E-core base 2.5 GHz, max turbo 4.3 GHz; Turbo Boost Max 3.0 5.6 GHz	Turbo Boost 2.0 up to 4.50 GHz; no Turbo Boost Max 3.0 in Intel’s exact comparison-chart row. Intel’s press-kit record names 26 June 2017 availability for the first Core X processors, and its August record confirms the four- to ten-core models were already on shelves; conservative month precision is retained.
Cache
Cache	33 MB Intel Smart Cache (L3); 28 MB L2	8 MB cache; L3 designation confirmed by KitGuru’s exact-model table.
Graphics and AI
Built-in graphics
Built-in graphics	Yes	No
Graphics
Graphics	Intel UHD Graphics 770, 32 execution units, up to 1.6 GHz; outputs eDP 1.4b, DP 1.4a, HDMI 2.1; up to 4 displays	No processor graphics, explicitly confirmed by Intel’s exact-model comparison chart.
Platform
Socket
Socket	LGA1700	LGA2066
Base power
Base power	125 W	112 W
Maximum power
Maximum power	253 W	–
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	–	No
Memory support
Memory support	Up to DDR5 5600 MT/s or up to DDR4 3200 MT/s; 2 channels, up to 192 GB; ECC supported	Up to 64 GB; two channels of DDR4-2666; 42 GB/s maximum published bandwidth; no ECC.
PCIe
PCIe	PCIe 5.0 and 4.0; 20 lanes (Up to 1x16+4, 2x8+4); DMI 4.0 x8	16 CPU PCIe lanes; up to 1×16, 2×8 or 1×8 plus 2×4.
Chipsets
Chipsets	Intel 600 and 700 series	Intel X299; LGA2066.
Process
Process	Intel 7	14 nm; Kaby Lake-X.
Cooler
Cooler	max operating temperature 100 °C; thermal specification PCG 2020A	Intel excludes a fan and heatsink from the boxed product; junction limit 100°C.