Intel · Core

Core i5-9600K

Released October 2018

An unlocked six-core Coffee Lake desktop processor for gaming and Intel 300-series PCs.

Model history · 8 models, 2011–2018

Cores: 6/6
Boost: 4.6 GHz
L3: 9 MB
Power: 95 W
Socket: LGA1151

Unlocked

What reviewers say

Reviews find strong gaming performance for its generation, but weaker results in heavily threaded work. TechSpot's later revisit finds poorer frame-time consistency than the Ryzen 5 3600 in several newer games. Cooling costs and the platform's limited upgrade path reduce its appeal.

From notebookcheck.net and techspot.com

Specifications

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Cores and clocks

Cores: 6
Threads: 6
Base clock: 3.7 GHz
Boost clock: 4.6 GHz
L3 cache: 9 MB
Cores: Six cores without Hyper-Threading; Intel Turbo Boost 2.0 supported.
Clocks: Maximum turbo is a single-core frequency; sustained clocks depend on cooling and motherboard power settings. Intel publishes TDP without a separate maximum turbo-power figure. TechSpot's 2023 revisit uses newer games; Notebookcheck's preselected and delidded sample results are separate from its ordinary retail sample.

Graphics and AI

Built-in graphics: Yes
Graphics: Intel UHD Graphics 630; 350 MHz base, up to 1.15 GHz; three displays; Quick Sync Video. HDMI up to 4096×2304 at 24 Hz; DisplayPort and eDP up to 4096×2304 at 60 Hz.

Platform

Socket: LGA1151
Base power: 95 W
Unlocked: Yes
Cooler in the box: No
Memory support: Up to 128 GB; two channels; DDR4-2666; 41.6 GB/s maximum bandwidth; ECC not supported.
PCIe: PCIe 3.0; 16 CPU lanes, configured as 1×16, 2×8 or 1×8+2×4.
Process: 14 nm; Coffee Lake; 37.5 × 37.5 mm package; 100°C maximum junction temperature. Intel confirms a soldered thermal interface for the unlocked ninth-generation launch models.
Cooler: Boxed processor includes no fan or heatsink. Intel 300-series motherboard compatibility requires the appropriate BIOS and vendor support.