Intel Core i7-5820K vs Intel Core i9-14900KS

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Core i7-5820K compared with Core i9-14900KS

	IntelCore i7-5820K	IntelCore i9-14900KS
Overview
Released
Released	August 2014	March 2024
Cores and clocks
Cores
Cores	6	24 (8 performance, 16 efficiency) (better)
Threads
Threads	12	32 (better)
Base clock
Base clock	3.3 GHz	3.2 GHz
Boost clock
Boost clock	3.6 GHz	6.2 GHz (better)
L3 cache
L3 cache	15 MB	36 MB (better)
Cores
Cores	Haswell-E; six cores with Hyper-Threading; unlocked multiplier and lack of integrated graphics confirmed by exact-model reviews	Raptor Lake; 8 Performance-cores with Hyper-Threading and 16 Efficient-cores
Clocks
Clocks	–	P-core base 3.2 GHz and turbo 5.7 GHz; E-core base 2.4 GHz and turbo 4.5 GHz; Turbo Boost Max 3.0 5.9 GHz; Thermal Velocity Boost up to 6.2 GHz
Cache
Cache	–	32 MB L2 cache
Graphics and AI
Built-in graphics
Built-in graphics	No	Yes
Graphics
Graphics	–	Intel UHD Graphics 770; 32 execution units; 300 MHz base and 1.65 GHz maximum dynamic clock
Platform
Socket
Socket	LGA2011-v3	LGA1700
Base power
Base power	140 W	150 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 64 GB; four channels; DDR4-1600/1866/2133; maximum bandwidth 68 GB/s; no ECC support	Up to 192 GB; two channels; DDR5-5600 or DDR4-3200; ECC support depends on the motherboard and configuration
PCIe
PCIe	28 CPU lanes; PCIe 3.0	20 CPU lanes; PCIe 5.0 and 4.0
Chipsets
Chipsets	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.	Intel recommends Z790 or Z690 with the latest BIOS
Process
Process	22 nm; package size 52.5 × 45 mm	Intel 7
Cooler
Cooler	Intel explicitly excludes a fan and heatsink from the boxed product; a separate cooler is required	Maximum operating temperature 100 °C; maker maximum turbo power 253 W. The 320 W Extreme profiles used in launch reviews are separate operating configurations.