Intel Core i7-3820QM vs Intel Atom C3858

Intel Core i7-3820QM or Intel Core i7-3820QM – 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 i7-3820QM features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2012 and belongs to the 3 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-3820QM, you'll need a motherboard with a BGA 1224 socket.
The Intel Atom C3858 features 12 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q3/2017 and belongs to the 5 generation of the Intel Atom series.
To use the Intel Atom C3858, you'll need a motherboard with a BGA 1310 socket.

The Intel Core i7-3820QM has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-3820QM is 2.7 GHz
and turbo frequency for one core is 3.7 GHz.
The Intel Atom C3858 has 12 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Atom C3858 is 2.0 GHz
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.

The Intel Core i7-3820QM has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-3820QM uses the Intel HD Graphics 4000, which has 128 texture shaders
and 16 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Atom C3858 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 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 supports a maximum memory capacity of 256.0 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 has a thermal design power (TDP) of 45 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 25 W watts.

The Intel Core i7-3820QM is manufactured using a 22 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 Atom C3858 is manufactured using a 14 nm process.