Intel Core i7-7700K vs Intel Core i7-8700K

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Core i7-7700K compared with Core i7-8700K

	IntelCore i7-7700K	IntelCore i7-8700K
Overview
Released
Released	January 2017	October 2017
Cores and clocks
Cores
Cores	4	6 (better)
Threads
Threads	8	12 (better)
Base clock
Base clock	4.2 GHz	3.7 GHz
Boost clock
Boost clock	4.5 GHz	4.7 GHz (better)
L3 cache
L3 cache	8 MB	12 MB (better)
Cores
Cores	Four cores with Hyper-Threading; Intel Turbo Boost 2.0 supported.	6 cores and 12 threads; Coffee Lake architecture; multiplier unlocked.
Clocks
Clocks	Maximum turbo is a single-core frequency; overclocking requires an appropriate motherboard and cooling. Intel publishes TDP without a separate maximum turbo-power figure.	3.7 GHz base; up to 4.7 GHz Intel Turbo Boost 2.0.
Graphics and AI
Built-in graphics
Built-in graphics	Yes	Yes
Graphics
Graphics	Intel HD Graphics 630; 350 MHz base, up to 1.15 GHz; three displays; Quick Sync Video. Hardware HEVC 10-bit encode and decode, and VP9 10-bit decode, according to Intel's desktop product brief.	Intel UHD Graphics 630; 350 MHz base, up to 1.2 GHz; Quick Sync Video; up to three displays.
Platform
Socket
Socket	LGA1151	LGA1151
Base power
Base power	91 W	95 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	No
Memory support
Memory support	Up to 64 GB; two channels; DDR4-2133/2400 or DDR3L-1333/1600 at 1.35 V; ECC not supported.	Up to 128 GB on the current Intel specification page; two channels; DDR4-2666; 41.6 GB/s; ECC not supported.
PCIe
PCIe	PCIe 3.0; 16 CPU lanes, configured as 1×16, 2×8 or 1×8+2×4.	PCIe 3.0; 16 CPU lanes: 1 × 16, 2 × 8 or 1 × 8 + 2 × 4. This excludes 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; Kaby Lake; 37.5 × 37.5 mm package; 100°C maximum junction temperature. Intel describes the manufacturing process as 14 nm+ in its product brief.	14 nm; 37.5 × 37.5 mm package; 100°C maximum junction temperature.
Cooler
Cooler	Boxed processor includes no fan or heatsink. Intel announced the desktop family on 3 January 2017; TechSpot's contemporaneous launch review confirms availability that day.	No fan or heatsink included with the boxed processor (Intel specifications).