AMD EPYC 9845 vs AMD Athlon II X4 620e

AMD EPYC 9845 or AMD Athlon II X4 620e - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD EPYC 9845 has 160 cores with 320 threads and clocks with a maximum frequency of 2.00 GHz. Up to 6144 GB of memory is supported in 12 memory channels. The AMD EPYC 9845 was released in Q4/2024.

The AMD Athlon II X4 620e has 4 cores with 4 threads and clocks with a maximum frequency of 2.60 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X4 620e was released in Q2/2011.

The AMD EPYC 9845 has 160 CPU cores and can calculate 320 threads in parallel. The clock frequency of the AMD EPYC 9845 is 2.00 GHz while the AMD Athlon II X4 620e has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Athlon II X4 620e is at 2.60 GHz.

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

The AMD EPYC 9845 or AMD Athlon II X4 620e has integrated graphics, called iGPU for short. 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 AMD EPYC 9845 can use up to 6144 GB of memory in 12 memory channels. The maximum memory bandwidth is 480.0 GB/s. The AMD Athlon II X4 620e supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

The thermal design power (TDP for short) of the AMD EPYC 9845 is 400 W, while the AMD Athlon II X4 620e has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

The AMD EPYC 9845 is manufactured in 4 nm and has 320.00 MB cache. The AMD Athlon II X4 620e is manufactured in 45 nm and has a 2.00 MB cache.