AMD EPYC 9684X vs AMD A6-5400B

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CPU comparison with benchmarks


AMD EPYC 9684X CPU1 vs CPU2 AMD A6-5400B
AMD EPYC 9684X AMD A6-5400B

CPU comparison

AMD EPYC 9684X or AMD A6-5400B - 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 9684X has 96 cores with 192 threads and clocks with a maximum frequency of 3.70 GHz. Up to 6144 GB of memory is supported in 12 memory channels. The AMD EPYC 9684X was released in Q2/2023.

The AMD A6-5400B has 2 cores with 2 threads and clocks with a maximum frequency of 3.80 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A6-5400B was released in Q3/2012.
AMD EPYC (129) Family AMD A (112)
AMD EPYC 9004 (21) CPU group AMD A6-5000 (3)
4 Generation 4
Genoa / Genoa-X (Zen 4) Architecture Kabini (Jaguar)
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD EPYC 9684X has 96 CPU cores and can calculate 192 threads in parallel. The clock frequency of the AMD EPYC 9684X is 2.55 GHz (3.70 GHz) while the AMD A6-5400B has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD A6-5400B is at 3.60 GHz (3.80 GHz).

AMD EPYC 9684X Characteristic AMD A6-5400B
96 Cores 2
192 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.55 GHz Frequency 3.60 GHz
3.70 GHz Turbo Frequency (1 Core) 3.80 GHz
3.42 GHz Turbo Frequency (All Cores) 3.80 GHz

NPU AI performance

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.

AMD EPYC 9684X Characteristic AMD A6-5400B
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD EPYC 9684X or AMD A6-5400B 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.

no iGPU GPU AMD Radeon HD 7540D
GPU frequency 0.64 GHz
-- GPU (Turbo) --
-- GPU Generation 4
Technology 32 nm
Max. displays 2
-- Compute units 3
-- Shader 192
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11

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.

no iGPU GPU AMD Radeon HD 7540D
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The AMD EPYC 9684X can use up to 6144 GB of memory in 12 memory channels. The maximum memory bandwidth is 460.8 GB/s. The AMD A6-5400B supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 29.9 GB/s.

AMD EPYC 9684X Characteristic AMD A6-5400B
DDR5-4800 Memory DDR3-1866
6144 GB Max. Memory
12 Memory channels 2 (Dual Channel)
460.8 GB/s Max. Bandwidth 29.9 GB/s
Yes ECC No
-- L2 Cache --
1,152.00 MB L3 Cache 1.00 MB
5.0 PCIe version --
128 PCIe lanes --
504.1 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the AMD EPYC 9684X is 400 W, while the AMD A6-5400B has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD EPYC 9684X Characteristic AMD A6-5400B
400 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
320 W TDP down --
100 °C Tjunction max. --

Technical details

The AMD EPYC 9684X is manufactured in 5 nm and has 1,152.00 MB cache. The AMD A6-5400B is manufactured in 28 nm and has a 1.00 MB cache.

AMD EPYC 9684X Characteristic AMD A6-5400B
5 nm Technology 28 nm
Chiplet Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI ISA extensions SSE4a, SSE4.1, SSE4.2, AVX
SP5 Socket FM2
AMD-V, SVM Virtualization AMD-V
Yes AES-NI Yes
Windows Server 2022, Linux, Windows 11 Operating systems
Q2/2023 Release date Q3/2012
14756 $ Release price --
show more data show more data


Rate these processors

Here you can rate the AMD EPYC 9684X to help other visitors make their purchasing decisions. The average rating is 5.0 stars (2 ratings). Rate now:
Here you can rate the AMD A6-5400B to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD EPYC 9684X AMD EPYC 9684X
96C 192T @ 3.70 GHz
0 (0%)
AMD A6-5400B AMD A6-5400B
2C 2T @ 3.80 GHz
431 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD EPYC 9684X AMD EPYC 9684X
96C 192T @ 3.42 GHz
0 (0%)
AMD A6-5400B AMD A6-5400B
2C 2T @ 3.80 GHz
689 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD EPYC 9684X AMD EPYC 9684X
@ 0.00 GHz
0 (0%)
AMD A6-5400B AMD A6-5400B
AMD Radeon HD 7540D @ 0.64 GHz
246 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD EPYC 9684X AMD EPYC 9684X
96C 192T @ 3.42 GHz
0 (0%)
AMD A6-5400B AMD A6-5400B
2C 2T @ 3.80 GHz
1906 (100%)

Devices using this processor

AMD EPYC 9684X AMD A6-5400B
Unknown Unknown

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