Intel · Core

Core i9-9900K

Released October 2018

An eight-core Coffee Lake desktop processor for compatible Intel 300-series motherboards.

Cores: 8/16
Boost: 5 GHz
L3: 16 MB
Power: 95 W
Socket: LGA1151

Unlocked

What reviewers say

Reviews find strong gaming performance and substantial threaded gains over the six-core Core i7-8700K, but often small gaming gains for its higher price. Heavy workloads and overclocking require strong cooling and motherboard power delivery. Later reviews find its value weaker once newer Ryzen and Intel processors arrived.

From techspot.com, pcgamer.com and techradar.com

Specifications

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Cores and clocks

Cores: 8
Threads: 16
Base clock: 3.6 GHz
Boost clock: 5 GHz
L3 cache: 16 MB
Cores: 8 cores and 16 threads; Coffee Lake architecture; multiplier unlocked. Intel’s 19 October 2018 public news notice states that the processors ship that day; the 8 October announcement opened preorders.
Clocks: 3.6 GHz base; up to 5.0 GHz Intel Turbo Boost 2.0.

Graphics and AI

Built-in graphics: Yes
Graphics: Intel UHD Graphics 630; 350 MHz base, up to 1.2 GHz; Quick Sync Video; up to three displays.

Platform

Socket: LGA1151
Base power: 95 W
Unlocked: Yes
Cooler in the box: No
Memory support: Up to 128 GB on the current Intel specification page; two channels; DDR4-2666; 41.6 GB/s; ECC not supported.
PCIe: PCIe 3.0; 16 CPU lanes: 1 × 16, 2 × 8 or 1 × 8 + 2 × 4. This excludes chipset lanes.
Chipsets: Intel 300-series motherboards, with appropriate BIOS support; Z390 was introduced alongside this generation.
Process: 14 nm; 37.5 × 37.5 mm package; 100°C maximum junction temperature.
Cooler: No fan or heatsink included with the boxed processor (Intel specifications).