AMD EPYC 7551 vs Qualcomm Snapdragon 8c

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CPU comparison with benchmarks


AMD EPYC 7551 CPU1 vs CPU2 Qualcomm Snapdragon 8c
AMD EPYC 7551 Qualcomm Snapdragon 8c

CPU comparison

AMD EPYC 7551 or Qualcomm Snapdragon 8c - 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 7551 has 32 cores with 64 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 7551 was released in Q3/2017.

The Qualcomm Snapdragon 8c has 8 cores with 8 threads and clocks with a maximum frequency of 2.45 GHz. The CPU supports up to 16 GB of memory in 4 memory channels. The Qualcomm Snapdragon 8c was released in Q4/2019.
AMD EPYC (129) Family Qualcomm Snapdragon (102)
AMD EPYC 7001 (12) CPU group Qualcomm Snapdragon 8c (1)
1 Generation 1
Naples (Zen) Architecture Kryo 490
Desktop / Server Segment Mobile
-- Predecessor --
AMD EPYC 7552 Successor --

CPU Cores and Base Frequency

The AMD EPYC 7551 has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the AMD EPYC 7551 is 2.00 GHz (3.00 GHz) while the Qualcomm Snapdragon 8c has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Qualcomm Snapdragon 8c is at 2.45 GHz.

AMD EPYC 7551 Characteristic Qualcomm Snapdragon 8c
32 Cores 8
64 Threads 8
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading No
No Overclocking ? No
2.00 GHz (3.00 GHz) A-Core 2.45 GHz
4x Kryo 490 Gold
-- B-Core 1.80 GHz
4x Kryo 490 Silver

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 7551 Characteristic Qualcomm Snapdragon 8c
-- AI hardware Qualcomm AI engine
-- AI specifications Hexagon 690 @ 7 TOPS

Internal Graphics

The AMD EPYC 7551 or Qualcomm Snapdragon 8c 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 Qualcomm Adreno 675
GPU frequency 0.25 GHz
-- GPU (Turbo) 0.59 GHz
-- GPU Generation 5
Technology 7 nm
Max. displays 1
-- Compute units 7
-- Shader 672
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 4 GB
-- DirectX Version 12.0

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 Qualcomm Adreno 675
No Codec h265 / HEVC (8 bit) Decode
No Codec h265 / HEVC (10 bit) Decode
No Codec h264 Decode / Encode
No Codec VP9 Decode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The AMD EPYC 7551 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The Qualcomm Snapdragon 8c supports up to 16 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 34.1 GB/s.

AMD EPYC 7551 Characteristic Qualcomm Snapdragon 8c
DDR4-2666 Memory LPDDR4X-4266
Max. Memory 16 GB
8 (Octa Channel) Memory channels 4 (Quad Channel)
170.6 GB/s Max. Bandwidth 34.1 GB/s
Yes ECC No
-- L2 Cache 2.00 MB
64.00 MB L3 Cache 3.00 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 7551 is 180 W, while the Qualcomm Snapdragon 8c has a TDP of 7 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD EPYC 7551 Characteristic Qualcomm Snapdragon 8c
180 W TDP (PL1 / PBP) 7 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD EPYC 7551 is manufactured in 14 nm and has 64.00 MB cache. The Qualcomm Snapdragon 8c is manufactured in 7 nm and has a 5.00 MB cache.

AMD EPYC 7551 Characteristic Qualcomm Snapdragon 8c
14 nm Technology 7 nm
Chiplet Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions --
SP3 Socket --
AMD-V, SVM Virtualization None
Yes AES-NI No
Windows 10, Linux Operating systems Android, Windows 10 (ARM)
Q3/2017 Release date Q4/2019
3200 $ Release price --
show more data show more data


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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 7551 AMD EPYC 7551
32C 64T @ 3.00 GHz
0 (0%)
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8c
8C 8T @ 2.45 GHz
665 (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 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
0 (0%)
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8c
8C 8T @ 2.45 GHz
2574 (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 7551 AMD EPYC 7551
@ 0.00 GHz
0 (0%)
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8c
Qualcomm Adreno 675 @ 0.59 GHz
1550 (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 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
21604 (100%)
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8c
8C 8T @ 2.45 GHz
0 (0%)

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 7551 AMD EPYC 7551
32C 64T @ 3.00 GHz
132 (100%)
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8c
8C 8T @ 2.45 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 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
3838 (100%)
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8c
8C 8T @ 2.45 GHz
0 (0%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.00 GHz
0 (0%)
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8c
8C 8T @ 2.45 GHz
7 (100%)

Devices using this processor

AMD EPYC 7551 Qualcomm Snapdragon 8c
Unknown Unknown

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