Intel Core i7-14700K vs Intel Core i7-5820K

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Core i7-14700K compared with Core i7-5820K

	IntelCore i7-14700K	IntelCore i7-5820K
Overview
Released
Released	October 2023	August 2014
Cores and clocks
Cores
Cores	20 (8 performance, 12 efficiency) (better)	6
Threads
Threads	28 (better)	12
Base clock
Base clock	3.4 GHz	3.3 GHz
Boost clock
Boost clock	5.6 GHz (better)	3.6 GHz
L3 cache
L3 cache	33 MB (better)	15 MB
Cores
Cores	8 Performance-cores and 12 Efficient-cores, with Hyper-Threading; codename Raptor Lake	Haswell-E; six cores with Hyper-Threading; unlocked multiplier and lack of integrated graphics confirmed by exact-model reviews
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	–
Cache
Cache	33 MB Intel Smart Cache (L3); 28 MB L2	–
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	–
Platform
Socket
Socket	LGA1700	LGA2011-v3
Base power
Base power	125 W	140 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; four channels; DDR4-1600/1866/2133; maximum bandwidth 68 GB/s; no ECC support
PCIe
PCIe	PCIe 5.0 and 4.0; 20 lanes (Up to 1x16+4, 2x8+4); DMI 4.0 x8	28 CPU lanes; PCIe 3.0
Chipsets
Chipsets	Intel 600 and 700 series	X99 and LGA2011-v3, as distinguished by Intel's Core i7 comparison chart and exact-model reviews. August release month follows Intel's 29 August family availability notice and contemporary exact-model stock coverage; an exact maker-SKU first-sale day was not established.
Process
Process	Intel 7	22 nm; package size 52.5 × 45 mm
Cooler
Cooler	max operating temperature 100 °C; thermal specification PCG 2020A	Intel explicitly excludes a fan and heatsink from the boxed product; a separate cooler is required