AMD EPYC 7401 vs AMD A6-3620

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CPU comparison with benchmarks


AMD EPYC 7401 CPU1 vs CPU2 AMD A6-3620
AMD EPYC 7401 AMD A6-3620

CPU comparison

AMD EPYC 7401 or AMD A6-3620 - 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 7401 has 24 cores with 48 threads and clocks with a maximum frequency of 3.00 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7401 was released in Q3/2017.

The AMD A6-3620 has 4 cores with 4 threads and clocks with a maximum frequency of 2.50 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A6-3620 was released in Q4/2011.
AMD EPYC (129) Family AMD A (112)
AMD EPYC 7001 (12) CPU group AMD A6-3000 (5)
1 Generation 1
Naples (Zen) Architecture Llano (K10)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD EPYC 7401 has 24 CPU cores and can calculate 48 threads in parallel. The clock frequency of the AMD EPYC 7401 is 2.00 GHz (3.00 GHz) while the AMD A6-3620 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD A6-3620 is at 2.20 GHz (2.50 GHz).

AMD EPYC 7401 Characteristic AMD A6-3620
24 Cores 4
48 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
2.00 GHz Frequency 2.20 GHz
3.00 GHz Turbo Frequency (1 Core) 2.50 GHz
2.80 GHz Turbo Frequency (All Cores) 2.50 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD EPYC 7401 Characteristic AMD A6-3620
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD EPYC 7401 or AMD A6-3620 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 6530D
GPU frequency 0.44 GHz
-- GPU (Turbo) --
-- GPU Generation 3
Technology 32 nm
Max. displays 0
-- Compute units 5
-- Shader 320
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 1 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 6530D
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 7401 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The AMD A6-3620 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.

AMD EPYC 7401 Characteristic AMD A6-3620
DDR4-2400, DDR4-2666 Memory DDR3-1600
Max. Memory
8 (Octa Channel) Memory channels 2 (Dual Channel)
170.6 GB/s Max. Bandwidth 25.6 GB/s
Yes ECC No
-- L2 Cache --
64.00 MB L3 Cache 4.00 MB
3.0 PCIe version --
128 PCIe lanes --
126.1 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the AMD EPYC 7401 is 170 W, while the AMD A6-3620 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD EPYC 7401 Characteristic AMD A6-3620
170 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD EPYC 7401 is manufactured in 14 nm and has 64.00 MB cache. The AMD A6-3620 is manufactured in 32 nm and has a 4.00 MB cache.

AMD EPYC 7401 Characteristic AMD A6-3620
14 nm Technology 32 nm
Chiplet Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE3, SSE4a
SP3 Socket FM1
AMD-V, SVM Virtualization AMD-V
Yes AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2017 Release date Q4/2011
1450 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD EPYC 7401 (100%)
AMD A6-3620 (37%)
⌀ Multi core performance in 1 CPU benchmarks
AMD EPYC 7401 (100%)
AMD A6-3620 (7%)

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 7401 AMD EPYC 7401
24C 48T @ 3.00 GHz
844 (100%)
AMD A6-3620 AMD A6-3620
4C 4T @ 2.50 GHz
315 (37%)

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 7401 AMD EPYC 7401
24C 48T @ 2.80 GHz
14101 (100%)
AMD A6-3620 AMD A6-3620
4C 4T @ 2.50 GHz
1003 (7%)

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 7401 AMD EPYC 7401
@ 0.00 GHz
0 (0%)
AMD A6-3620 AMD A6-3620
AMD Radeon HD 6530D @ 0.44 GHz
284 (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 7401 AMD EPYC 7401
24C 48T @ 2.80 GHz
0 (0%)
AMD A6-3620 AMD A6-3620
4C 4T @ 2.50 GHz
2896 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD EPYC 7401 AMD EPYC 7401
24C 48T @ 3.00 GHz
132 (100%)
AMD A6-3620 AMD A6-3620
4C 4T @ 2.50 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD EPYC 7401 AMD EPYC 7401
24C 48T @ 2.80 GHz
3156 (100%)
AMD A6-3620 AMD A6-3620
4C 4T @ 2.50 GHz
0 (0%)

Devices using this processor

AMD EPYC 7401 AMD A6-3620
Unknown Unknown

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