Intel Core i9-13900KS vs Intel Core i9-7900X

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

Core i9-13900KS compared with Core i9-7900X

	IntelCore i9-13900KS	IntelCore i9-7900X
Overview
Released
Released	January 2023	June 2017
Cores and clocks
Cores
Cores	24 (8 performance, 16 efficiency) (better)	10
Threads
Threads	32 (better)	20
Base clock
Base clock	3.2 GHz	3.3 GHz
Boost clock
Boost clock	6 GHz (better)	4.5 GHz
L3 cache
L3 cache	36 MB (better)	13.75 MB
Cores
Cores	Raptor Lake; 8 Performance-cores with Hyper-Threading and 16 Efficient-cores	Skylake-X; 10 cores with Hyper-Threading. The unlocked multiplier is confirmed by Intel’s exact-model family product brief.
Clocks
Clocks	P-core base 3.2 GHz and turbo 5.4 GHz; E-core base 2.4 GHz and turbo 4.3 GHz; Turbo Boost Max 3.0 5.8 GHz; Thermal Velocity Boost up to 6 GHz	Turbo Boost Max 3.0 up to 4.50 GHz on the preferred core; ordinary Turbo Boost 2.0 up to 4.30 GHz. The main boost field uses Intel’s highest published frequency. Intel’s September press-kit record names 26 June 2017 availability for the first Core X processors; its August record confirms the four- to ten-core models were already on shelves. The exact model’s first-sale day was not established, so month precision is retained.
Cache
Cache	32 MB L2 cache	13.75 MB Intel Smart Cache (L3).
Graphics and AI
Built-in graphics
Built-in graphics	Yes	No
Graphics
Graphics	Intel UHD Graphics 770; 32 execution units; 300 MHz base and 1.65 GHz maximum dynamic clock	No processor graphics, explicitly stated in Intel’s exact-model comparison-chart row; a separate graphics solution is required.
Platform
Socket
Socket	LGA1700	LGA2066
Base power
Base power	150 W	140 W
Maximum power
Maximum power	253 W	–
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	–	No
Memory support
Memory support	Up to 192 GB; two channels; DDR5-5600 or DDR4-3200; ECC support depends on the motherboard and configuration	Up to 128 GB; four channels of DDR4-2666; 85 GB/s maximum published bandwidth; no ECC.
PCIe
PCIe	20 CPU lanes; PCIe 5.0 and 4.0	44 CPU lanes; PCIe 3.0.
Chipsets
Chipsets	Intel recommends Z790 or Z690 with the latest BIOS	Intel X299; LGA2066.
Process
Process	Intel 7	14 nm; Skylake-X.
Cooler
Cooler	Maximum operating temperature 100 °C; maker maximum turbo power 253 W. The 320 W Extreme profiles used in launch reviews are separate operating configurations.	Intel explicitly excludes a fan and heatsink from the boxed product; a separate compatible cooler is required. Published junction limit: 95°C.