AMD A8-7100 vs AMD EPYC 7551P

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CPU comparison with benchmarks


AMD A8-7100 CPU1 vs CPU2 AMD EPYC 7551P
AMD A8-7100 AMD EPYC 7551P

CPU comparison

AMD A8-7100 or AMD EPYC 7551P - 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 A8-7100 has 4 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A8-7100 was released in Q2/2014.

The AMD EPYC 7551P has 32 cores with 64 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7551P was released in Q3/2017.
AMD A (112) Family AMD EPYC (111)
AMD A8-7000 (6) CPU group AMD EPYC 7001 (12)
4 Generation 1
Kaveri (Steamroller) Architecture Naples (Zen)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD A8-7100 is a 4 core processor with a clock frequency of 1.80 GHz (3.00 GHz). The AMD EPYC 7551P has 32 CPU cores with a clock frequency of 2.00 GHz (3.00 GHz).

AMD A8-7100 Characteristic AMD EPYC 7551P
4 Cores 32
4 Threads 64
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.80 GHz Frequency 2.00 GHz
3.00 GHz Turbo Frequency (1 Core) 3.00 GHz
2.40 GHz Turbo Frequency (All Cores) 2.55 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 A8-7100 Characteristic AMD EPYC 7551P
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

AMD Radeon R5 (Kaveri) GPU no iGPU
0.45 GHz GPU frequency --
0.51 GHz GPU (Turbo) --
6 GPU Generation --
28 nm Technology
2 Max. displays
4 Compute units --
256 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
12 DirectX Version --

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.

AMD Radeon R5 (Kaveri) GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The AMD A8-7100 supports a maximum of GB of memory in 2 memory channels. The AMD EPYC 7551P can connect up to GB of memory in 8 memory channels.

AMD A8-7100 Characteristic AMD EPYC 7551P
DDR3-1600 Memory DDR4-2666
Max. Memory
2 (Dual Channel) Memory channels 8 (Octa Channel)
25.6 GB/s Max. Bandwidth 170.6 GB/s
Yes ECC Yes
-- L2 Cache --
4.00 MB L3 Cache 64.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 128
15.8 GB/s PCIe Bandwidth 126.1 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD A8-7100 has a TDP of 19 W, that of the AMD EPYC 7551P is 180 W.

AMD A8-7100 Characteristic AMD EPYC 7551P
19 W TDP (PL1 / PBP) 180 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD A8-7100 has a 4.00 MB cache, while the AMD EPYC 7551P cache has a total of 64.00 MB.

AMD A8-7100 Characteristic AMD EPYC 7551P
28 nm Technology 14 nm
Unknown Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FM2+ Socket SP3
AMD-V Virtualization AMD-V, SVM
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q2/2014 Release date Q3/2017
-- Release price 2750 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks

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 A8-7100 AMD A8-7100
4C 4T @ 3.00 GHz
306 (50%)
AMD EPYC 7551P AMD EPYC 7551P
32C 64T @ 3.00 GHz
611 (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 A8-7100 AMD A8-7100
4C 4T @ 2.40 GHz
766 (11%)
AMD EPYC 7551P AMD EPYC 7551P
32C 64T @ 2.55 GHz
6676 (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 A8-7100 AMD A8-7100
4C 4T @ 2.40 GHz
2741 (7%)
AMD EPYC 7551P AMD EPYC 7551P
32C 64T @ 2.55 GHz
40149 (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 A8-7100 AMD A8-7100
4C 4T @ 3.00 GHz
48 (36%)
AMD EPYC 7551P AMD EPYC 7551P
32C 64T @ 3.00 GHz
132 (100%)

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 A8-7100 AMD A8-7100
4C 4T @ 2.40 GHz
146 (4%)
AMD EPYC 7551P AMD EPYC 7551P
32C 64T @ 2.55 GHz
3838 (100%)

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 A8-7100 AMD A8-7100
4C 4T @ 3.00 GHz
0 (0%)
AMD EPYC 7551P AMD EPYC 7551P
32C 64T @ 3.00 GHz
904 (100%)

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 A8-7100 AMD A8-7100
4C 4T @ 2.40 GHz
0 (0%)
AMD EPYC 7551P AMD EPYC 7551P
32C 64T @ 2.55 GHz
5964 (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 A8-7100 AMD A8-7100
AMD Radeon R5 (Kaveri) @ 0.51 GHz
262 (100%)
AMD EPYC 7551P AMD EPYC 7551P
@ 0.00 GHz
0 (0%)

Devices using this processor

AMD A8-7100 AMD EPYC 7551P
Unknown Unknown

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