AMD Athlon II X4 638 vs AMD Athlon II X4 620

AMD Athlon II X4 638 or AMD Athlon II X4 638 – 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 Athlon II X4 638 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2012 and belongs to the 2 generation of the AMD Athlon II series.
To use the AMD Athlon II X4 638, you'll need a motherboard with a FM1 socket.
The AMD Athlon II X4 620 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q3/2009 and belongs to the 1 generation of the AMD Athlon II series.
To use the AMD Athlon II X4 620, you'll need a motherboard with a AM3 socket.

The AMD Athlon II X4 638 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD Athlon II X4 638 is 2.7 GHz
The AMD Athlon II X4 620 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD Athlon II X4 620 is 2.6 GHz

The AMD Athlon II X4 638 does not have integrated graphics.
The AMD Athlon II X4 620 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 16.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 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 65 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 95 W watts.

The AMD Athlon II X4 638 is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Athlon II X4 620 is manufactured using a 45 nm process.