Intel · Core

Core i9-9820X

Released 2018

An unlocked 10-core Skylake-X refresh desktop processor with Hyper-Threading and four-channel DDR4 memory for LGA2066 enthusiast systems.

Specifications

Cores: 10
Threads: 20
Base clock: 3.3 GHz
Boost clock: 4.2 GHz
L3 cache: 16.5 MB
Cores: Skylake-X refresh; Hyper-Threading and an unlocked multiplier, confirmed by Intel’s exact-model launch table.
Clocks: Turbo Boost Max 3.0 up to 4.20 GHz on the preferred cores; ordinary Turbo Boost 2.0 up to 4.10 GHz. Intel’s October 2018 announcement planned November availability. Ark’s contemporary exact-model report confirms Japanese retail sale on 14 December 2018, but earlier worldwide sale was not established; year precision is retained.
Cache: 16.5 MB Intel Smart Cache; L3 designation confirmed by the exact Newegg listing.

Built-in graphics: No
Graphics: No processor graphics, explicitly confirmed by Intel’s exact-model support table.

Socket: LGA2066
Base power: 165 W
Unlocked: Yes
Cooler in the box: No
Memory support: Up to 128 GB; four channels of DDR4-2666; 85 GB/s maximum published bandwidth; no ECC.
PCIe: 44 CPU lanes; PCIe 3.0. The 68-lane family platform figure includes chipset lanes.
Chipsets: Intel X299; LGA2066.
Process: 14 nm; Skylake-X refresh.
Cooler: Intel explicitly excludes a fan and heatsink from the boxed product. Intel’s support article confirms solder thermal interface material for this exact model; published junction limit 92°C.

Closest rivals

Model	Cores	Boost	L3	Power	Socket	Released
IntelCore i9-9900X	10/20	4.5 GHz	19.25 MB	165 W	LGA2066	2018
AMDRyzen Threadripper 2920X	12/24	4.3 GHz	32 MB	180 W	sTR4	Oct 2018
IntelCore i9-10900X	10/20	4.7 GHz	19.25 MB	165 W	LGA2066	2019