Intel Core i3-9100F vs Intel Core i5-13400F vs Intel Core i9-9900KS

Intel Core i3-9100F

The Intel Core i3-9100F is an entry level Quad-Core processor for desktop PCs based on the Coffee Lake architecture. It offers four cores clocked at 3.6 - 4.2 GHz without HyperThreading / SMT support (4 threads only). The CPU is still manufactured in 14nm++ and does not feature an integrated graphics card. 

Compared to the older Core i3-8100, the i3-9100F offers around 10 to 15 percent higher performance. Therefore, the CPU is well suited for simple office tasks but less for high end gaming or demanding applications.

Intel specifies the CPU with a TDP of 65 Watt. For desktops that means that the processor wont need big cooling solutions and can be used in small cases.

Intel Core i5-13400F

The Intel Core i5-13400F is a mid-range desktop processor of the Raptor Lake series. It includes a hybrid architecture for the CPU cores with combined 10 cores. Six fast Golden Cove / Raptor Cove performance cores (P-cores) with HyperThreading and a clock speed of 3.5 - 5.1 GHz and four Gracemont efficiency cores without HyperThreading and a clock speed of 2.6 - 3.9 GHz. The 13400F can be based on the older Alder Lake chips (at least for early models) or the newer Raptor Lake chips. The F-series of CPUs do not integrate a iGPU.

The performance is clearly higher than the old Core i5-12400F due to the additional four E-cores. These help in multi-threaded workloads and the higher boost core of the p-cores help for single threaded workloads.

The power consumption of the 13400F is rated at 65 Watt for sustained workloads (PL1) and 148 Watt for short bursts (PL2).

Intel Core i9-9900KS

The Intel Core i9-9900KS is a high end desktop processor that includes 8 cores based on the Coffee Lake architecture. It is the fastest Coffee Lake CPU in 2019 and compared to the similar named i9-9900K, the KS offers an all core Turbo of 5 GHz. All cores can clock between 4 GHz and 5 GHz and thanks to Hyperthreading / SMT 16 threads can be executed in parallel. The CPU is still manufactured in the mature 14 nm process (14nm++). Thanks to the open multiplicator, the CPU is rather easy to overclock (if a Z390 based mainboard is used).

With good cooling, the i9-9900KS can be around 10% faster than the older Intel Core i9-9900K (thanks to the 5 GHz all core Turbo). Compare to the old Core i7-8700K, the 9900KS is even 45% faster. Especially for gaming, the 9900KS is currently the fastest option available. The fast Ryzen and Threadripper CPUs from AMD however offer a better multithreaded performance.

The integrated GPU is called Intel UHD Graphics 630 and clocks with up to 1.2 GHz. It is not suited for demanding 3D games and located in the low end.

The TDP is raised to 127 Watt for the additional performance, therefore a good CPU cooler is needed. When overclocking the CPU, more than 200 Watt can be reached unter load.