Intel Core i9-9940X vs Intel Core i9-9820X

Intel Core i9-9940X or Intel Core i9-9940X – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i9-9940X features 14 processor cores and has the capability to manage 28 threads concurrently.
It was released in Q4/2018 and belongs to the 9 generation of the Intel Core i9 series.
To use the Intel Core i9-9940X, you'll need a motherboard with a LGA 2066 socket.
The Intel Core i9-9820X features 10 processor cores and has the capability to manage 20 threads concurrently.
To use the Intel Core i9-9820X, you'll need a motherboard with a LGA 2066 socket.

The Intel Core i9-9940X has 14 CPU cores and can calculate 28 threads in parallel.
The clock frequency of the Intel Core i9-9940X is 3.3 GHz
and turbo frequency for one core is 4.5 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i9-9820X has 10 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the Intel Core i9-9820X is 3.3 GHz
and turbo frequency for one core is 4.2 GHz.

The Intel Core i9-9940X does not have integrated graphics.
The Intel Core i9-9820X does not have integrated graphics.

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.

The processor supports a maximum memory capacity of 128.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 42.7 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 128.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 85.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.

The processor has a thermal design power (TDP) of 165 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.

The Intel Core i9-9940X is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 19.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-9820X is manufactured using a 14 nm process.
In total, this processor boasts a generous 17.0 MB cache.