Intel Core i7-7700K vs Intel Core i7-3940XM

Intel Core i7-7700K or Intel Core i7-7700K – 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 i7-7700K features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q1/2017 and belongs to the 7 generation of the Intel Core i7 series.
To use the Intel Core i7-7700K, you'll need a motherboard with a LGA 1151 socket.
The Intel Core i7-3940XM features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q3/2012 and belongs to the 3 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-3940XM, you'll need a motherboard with a PGA 988 socket.

The Intel Core i7-7700K has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-7700K is 4.2 GHz
and turbo frequency for one core is 4.5 GHz.
The Intel Core i7-3940XM has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-3940XM is 3.0 GHz
and turbo frequency for one core is 3.9 GHz.

The Intel Core i7-7700K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-7700K uses the Intel HD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-3940XM has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-3940XM uses the Intel HD Graphics 4000, which has 128 texture shaders
and 16 execution units.

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 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 38.4 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 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 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 91 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 processor has a thermal design power (TDP) of 55 W watts.

The Intel Core i7-7700K 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 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-3940XM is manufactured using a 22 nm process.