Intel Core i7-8700K vs Intel Core i7-9700K

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Core i7-8700K compared with Core i7-9700K

	IntelCore i7-8700K	IntelCore i7-9700K
Overview
Released
Released	October 2017	October 2018
Cores and clocks
Cores
Cores	6	8 (better)
Threads
Threads	12 (better)	8
Base clock
Base clock	3.7 GHz	3.6 GHz
Boost clock
Boost clock	4.7 GHz	4.9 GHz (better)
L3 cache
L3 cache	12 MB	12 MB
Cores
Cores	6 cores and 12 threads; Coffee Lake architecture; multiplier unlocked.	Eight cores without Hyper-Threading; Intel Turbo Boost 2.0 supported.
Clocks
Clocks	3.7 GHz base; up to 4.7 GHz Intel Turbo Boost 2.0.	Maximum turbo is a single-core frequency; sustained clocks depend on cooling and motherboard power settings. Intel's current specification page publishes TDP without a separate maximum turbo-power figure.
Graphics and AI
Built-in graphics
Built-in graphics	Yes	Yes
Graphics
Graphics	Intel UHD Graphics 630; 350 MHz base, up to 1.2 GHz; Quick Sync Video; up to three displays.	Intel UHD Graphics 630; 350 MHz base, up to 1.2 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
Socket	LGA1151	LGA1151
Base power
Base power	95 W	95 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	No
Memory support
Memory support	Up to 128 GB on the current Intel specification page; two channels; DDR4-2666; 41.6 GB/s; ECC not supported.	Up to 128 GB; two channels; DDR4-2666; 41.6 GB/s maximum bandwidth; ECC not supported.
PCIe
PCIe	PCIe 3.0; 16 CPU lanes: 1 × 16, 2 × 8 or 1 × 8 + 2 × 4. This excludes chipset lanes.	PCIe 3.0; 16 CPU lanes, configured as 1×16, 2×8 or 1×8+2×4. Intel's launch figure of 40 platform lanes includes chipset lanes.
Chipsets
Chipsets	Intel 300-series motherboards; Z370 at launch. Older 100- and 200-series boards are incompatible despite sharing the LGA1151 socket (TechPowerUp and PC Gamer).	–
Process
Process	14 nm; 37.5 × 37.5 mm package; 100°C maximum junction temperature.	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
Cooler	No fan or heatsink included with the boxed processor (Intel specifications).	Boxed processor includes no fan or heatsink. Intel 300-series motherboard compatibility requires the appropriate BIOS and vendor support.