AMD EPYC 7351P vs AMD A6-6400K

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CPU comparison with benchmarks


AMD EPYC 7351P CPU1 vs CPU2 AMD A6-6400K
AMD EPYC 7351P AMD A6-6400K

CPU comparison

AMD EPYC 7351P or AMD A6-6400K - 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 7351P has 16 cores with 32 threads and clocks with a maximum frequency of 2.90 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7351P was released in Q3/2017.

The AMD A6-6400K has 2 cores with 2 threads and clocks with a maximum frequency of 4.10 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A6-6400K was released in Q2/2013.
AMD EPYC (129) Family AMD A (112)
AMD EPYC 7001 (12) CPU group AMD A6-6000 (3)
1 Generation 3
Naples (Zen) Architecture Richland (Piledriver)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD EPYC 7351P has 16 CPU cores and can calculate 32 threads in parallel. The clock frequency of the AMD EPYC 7351P is 2.40 GHz (2.90 GHz) while the AMD A6-6400K has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD A6-6400K is at 3.90 GHz (4.10 GHz).

AMD EPYC 7351P Characteristic AMD A6-6400K
16 Cores 2
32 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
2.40 GHz Frequency 3.90 GHz
2.90 GHz Turbo Frequency (1 Core) 4.10 GHz
2.90 GHz Turbo Frequency (All Cores) 4.10 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 7351P Characteristic AMD A6-6400K
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD EPYC 7351P or AMD A6-6400K 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 8470D
GPU frequency 0.80 GHz
-- GPU (Turbo) --
-- GPU Generation 5
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 11.2

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 8470D
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 7351P can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The AMD A6-6400K supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 29.9 GB/s.

AMD EPYC 7351P Characteristic AMD A6-6400K
DDR4-2400, DDR4-2666 Memory DDR3-1866
Max. Memory
8 (Octa Channel) Memory channels 2 (Dual Channel)
170.6 GB/s Max. Bandwidth 29.9 GB/s
Yes ECC No
-- L2 Cache --
64.00 MB L3 Cache 1.00 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 7351P is 170 W, while the AMD A6-6400K has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD EPYC 7351P Characteristic AMD A6-6400K
170 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD EPYC 7351P is manufactured in 14 nm and has 64.00 MB cache. The AMD A6-6400K is manufactured in 32 nm and has a 1.00 MB cache.

AMD EPYC 7351P Characteristic AMD A6-6400K
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 SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
SP3 Socket FM2
AMD-V, SVM Virtualization AMD-V
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2017 Release date Q2/2013
900 $ Release price 55 $
show more data show more data


Rate these processors

Here you can rate the AMD EPYC 7351P to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the AMD A6-6400K to help other visitors make their purchasing decisions. The average rating is 4.5 stars (4 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD EPYC 7351P (100%)
AMD A6-6400K (57%)
⌀ Multi core performance in 2 CPU benchmarks
AMD EPYC 7351P (100%)
AMD A6-6400K (8%)

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 7351P AMD EPYC 7351P
16C 32T @ 2.90 GHz
821 (100%)
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
471 (57%)

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 7351P AMD EPYC 7351P
16C 32T @ 2.90 GHz
12186 (100%)
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
723 (6%)

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 7351P AMD EPYC 7351P
16C 32T @ 2.90 GHz
25488 (100%)
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
2397 (9%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD EPYC 7351P AMD EPYC 7351P
16C 32T @ 2.90 GHz
925 (100%)
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD EPYC 7351P AMD EPYC 7351P
16C 32T @ 2.90 GHz
7485 (100%)
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 7351P AMD EPYC 7351P
16C 32T @ 2.90 GHz
0 (0%)
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
252 (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 7351P AMD EPYC 7351P
@ 0.00 GHz
0 (0%)
AMD A6-6400K AMD A6-6400K
AMD Radeon HD 8470D @ 0.80 GHz
307 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD EPYC 7351P AMD EPYC 7351P
16C 32T @ 2.40 GHz
0 (0%)
AMD A6-6400K AMD A6-6400K
2C 2T @ 3.90 GHz
370 (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 7351P AMD EPYC 7351P
16C 32T @ 2.90 GHz
128 (100%)
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 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 7351P AMD EPYC 7351P
16C 32T @ 2.90 GHz
2184 (100%)
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
0 (0%)

Devices using this processor

AMD EPYC 7351P AMD A6-6400K
Unknown Unknown

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