AMD Ryzen 3 3100 vs AMD EPYC 7643

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 3 3100 or AMD Ryzen 3 3100 – 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 Ryzen 3 3100 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2020 and belongs to the 3 generation of the AMD Ryzen 3 series.
To use the AMD Ryzen 3 3100, you'll need a motherboard with a AM4 (PGA 1331) socket.
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.
Desktop / Server Segment Desktop / Server
AMD Ryzen 3 3100 Name AMD EPYC 7643
AMD Ryzen 3 Family AMD EPYC
3 Generation 3
AMD Ryzen 3000 Group AMD EPYC 7003
 
 

CPU Cores and Base Frequency

The AMD Ryzen 3 3100 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the AMD Ryzen 3 3100 is 3.6 GHz
and turbo frequency for one core is 3.9 GHz.
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.
3.9 GHz Turbo Frequency (1 core) 3.6 GHz
Yes Overclocking No
normal Core architecture normal
3.6 GHz Frequency 2.3 GHz
8 Threads 96
3.9 GHz Turbo Frequency (all cores) None
Yes Hyperthreading Yes
4 CPU Cores 48
4x Cores 48x Zen 3
 
 

Internal Graphics

The AMD Ryzen 3 3100 does not have integrated graphics.
The AMD EPYC 7643 does not have integrated graphics.
-- GPU frequency --
-- Release date --
-- Direct X --
GPU name
-- Technology --
-- Max. displays --
-- Shaders --
0 bytes Max. GPU Memory 0 bytes
-- Execution units --
-- Generation --
-- GPU (Turbo) --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

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.
-- AVC --
-- VC-1 --
-- VP9 --
-- h265 / HEVC (10 bit) --
-- h264 --
-- VP8 --
-- h265 / HEVC (8 bit) --
-- JPEG --
-- AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 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 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.
2 Memory channels 8
128.0 GB Max. Memory 4.0 TB
pci PCIe pci
Yes AES-NI Yes
Yes ECC Yes
51.2 GB/s Bandwidth 204.8 GB/s
DDR4-3200 Memory type DDR4-3200
 
 

Thermal Management

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 240 W watts.
95 °C Tjunction max --
65 W TDP (PL1 / PBP) 240 W
None TDP down 225 W
 
 

Technical details

The AMD Ryzen 3 3100 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 16.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD EPYC 7643 is manufactured using a 7 nm process.
In total, this processor boasts a generous 256.0 MB cache.
Q2/2020 Release date Q1/2021
-- Part Number --
2.0 MB L2-Cache 0 bytes
AMD-V, SVM Virtualization AMD-V, SVM
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
Chiplet Chip design Chiplet
Matisse (Zen 2) Architecture Milan (Zen 3)
7 nm Technology 7 nm
AM4 (PGA 1331) Socket SP3
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
-- Release price 4995 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
16.0 MB L3-Cache 256.0 MB