AMD EPYC 7643 vs AMD A4-3400

AMD EPYC 7643 or AMD EPYC 7643 – 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 AMD EPYC 7643 features 48 processor cores and has the capability to manage 96 threads concurrently.
It was released in Q1/2021 and belongs to the 3 generation of the AMD EPYC series.
To use the AMD EPYC 7643, you'll need a motherboard with a SP3 socket.
The AMD A4-3400 features 2 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q3/2011 and belongs to the 1 generation of the AMD A series.
To use the AMD A4-3400, you'll need a motherboard with a FM1 socket.

The AMD EPYC 7643 has 48 CPU cores and can calculate 96 threads in parallel.
The clock frequency of the AMD EPYC 7643 is 2.3 GHz
and turbo frequency for one core is 3.6 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD A4-3400 has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the AMD A4-3400 is 2.7 GHz

The AMD EPYC 7643 does not have integrated graphics.
The AMD A4-3400 has integrated graphics, called iGPU for short.
Specifically, the AMD A4-3400 uses the AMD Radeon HD 6410D, which has 160 texture shaders
and 2 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

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 4.0 TB distributed across 8 memory channels. It offers a peak memory bandwidth of 204.8 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 240 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 65 W watts.

The AMD EPYC 7643 is manufactured using a 7 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 256.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD A4-3400 is manufactured using a 32 nm process.
In total, this processor boasts a generous 1.0 MB cache.