In this CPU comparison, we compare the Intel Core i9-12900KF and the Intel Core i9-12900K and use benchmarks to check which processor is faster.
We compare the Intel Core i9-12900KF 16 core processor released in Q4/2021 with the Intel Core i9-12900K which has 16 CPU cores and was introduced in Q4/2021.
The Intel Core i9-12900KF is a 16 core processor with a clock frequency of 3.20 GHz (5.20 GHz). The processor can compute 24 threads at the same time. The Intel Core i9-12900K clocks with 3.20 GHz (5.20 GHz), has 16 CPU cores and can calculate 24 threads in parallel.
Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.
A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Up to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-12900KF, while the Intel Core i9-12900K supports a maximum of 128 GB of memory with a maximum memory bandwidth of 76.8 GB/s enabled.
The Intel Core i9-12900KF has a TDP of 125 W. The TDP of the Intel Core i9-12900K is 125 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.
The Intel Core i9-12900KF has 44.00 MB cache and is manufactured in 10 nm. The cache of Intel Core i9-12900K is at 44.00 MB. The processor is manufactured in 10 nm.
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The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
The comparison between the Intel Core i9-12900KF and the Intel Core i9-12900K is actually quick, but I still managed to write a few words about the technical details of these CPUs.
The two processors came onto the market at the end of 2021 and are based on Intel's Alder Lake S architecture. With this architecture, Intel has managed to have the fastest mainstream processor on the market again, after the biggest competitor AMD has set the tone with its Ryzen processor for the past few years.
For the first time, Intel is using a big.LITTLE architecture, with 8 of the 16 built-in cores being high-performance cores and the remaining 8 being energy-saving cores. The clock rates are identical at 3.20 gigahertz (standard clock) and 5.20 gigahertz (turbo clock). Hyperthreading technology is only supported by the high-performance cores, which means that the processors have up to 24 threads at their disposal.
The only difference between the two processors is that the Intel Core i9-12900KF does not have an internal graphics unit, but the Intel Core i9-12900K uses the Intel UHD Graphics 770. This iGPU has 32 execution and 256 shader units and clocks at up to 1.55 gigahertz. The 11th generation Intel iGPU has an FP32 computing power (single precision) of 794 GigaFLOPS.
DDR4-3200 and DDR5-4800 modules are supported for RAM. Slower RAM modules can also be installed, faster modules can work but are not officially supported. The processors have 2 memory channels with which up to 128 gigabytes of RAM can be operated. ECC memory is not supported.
The processors each have 20 type 5.0 PCIe lines, which can be used to connect compatible expansion cards.