AMD EPYC 7551 vs AMD C-50

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CPU comparison with benchmarks


AMD EPYC 7551 CPU1 vs CPU2 AMD C-50
AMD EPYC 7551 AMD C-50

CPU comparison

AMD EPYC 7551 or AMD C-50 - 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 AMD C-50 has 2 cores with 2 threads and clocks with a maximum frequency of 1.00 GHz. The CPU supports up to GB of memory in 1 memory channels. The AMD C-50 was released in Q1/2011.
AMD EPYC (129) Family AMD C (6)
AMD EPYC 7001 (12) CPU group AMD C (6)
1 Generation 1
Naples (Zen) Architecture Ontario (Bobcat)
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 AMD C-50 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD C-50 is at 1.00 GHz.

AMD EPYC 7551 Characteristic AMD C-50
32 Cores 2
64 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
2.00 GHz Frequency 1.00 GHz
3.00 GHz Turbo Frequency (1 Core) --
2.55 GHz Turbo Frequency (All Cores) --

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 AMD C-50
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD EPYC 7551 or AMD C-50 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 6250
GPU frequency 0.28 GHz
-- GPU (Turbo) --
-- GPU Generation 3
Technology 40 nm
Max. displays 2
-- Compute units 1
-- Shader 80
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 6250
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 7551 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The AMD C-50 supports up to GB of memory in 1 memory channels and achieves a memory bandwidth of up to 8.5 GB/s.

AMD EPYC 7551 Characteristic AMD C-50
DDR4-2666 Memory DDR3-1066
Max. Memory
8 (Octa Channel) Memory channels 1 (Single Channel)
170.6 GB/s Max. Bandwidth 8.5 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 7551 is 180 W, while the AMD C-50 has a TDP of 9 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD EPYC 7551 Characteristic AMD C-50
180 W TDP (PL1 / PBP) 9 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 AMD C-50 is manufactured in 40 nm and has a 1.00 MB cache.

AMD EPYC 7551 Characteristic AMD C-50
14 nm Technology 40 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 BGA 413
AMD-V, SVM Virtualization AMD-V
Yes AES-NI No
Windows 10, Linux Operating systems
Q3/2017 Release date Q1/2011
3200 $ Release price --
show more data show more data


Rate these processors

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Here you can rate the AMD C-50 to help other visitors make their purchasing decisions. The average rating is 1.0 stars (3 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
AMD EPYC 7551 (0%)
AMD C-50 (0%)
⌀ Multi core performance in 1 CPU benchmarks
AMD EPYC 7551 (100%)
AMD C-50 (2%)

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%)
AMD C-50 AMD C-50
2C 2T @ 1.00 GHz
446 (2%)

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%)
AMD C-50 AMD C-50
2C 2T @ 1.00 GHz
91 (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%)
AMD C-50 AMD C-50
2C 2T @ 1.00 GHz
162 (100%)

Cinebench R20 (Single-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 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%)
AMD C-50 AMD C-50
2C 2T @ 1.00 GHz
33 (100%)

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 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
0 (0%)
AMD C-50 AMD C-50
2C 2T @ 1.00 GHz
42 (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%)
AMD C-50 AMD C-50
AMD Radeon HD 6250 @ 0.28 GHz
45 (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 7551 AMD EPYC 7551
32C 64T @ 2.00 GHz
0 (0%)
AMD C-50 AMD C-50
2C 2T @ 1.00 GHz
73 (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 7551 AMD EPYC 7551
32C 64T @ 3.00 GHz
132 (100%)
AMD C-50 AMD C-50
2C 2T @ 1.00 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%)
AMD C-50 AMD C-50
2C 2T @ 1.00 GHz
0 (0%)

Devices using this processor

AMD EPYC 7551 AMD C-50
Unknown Unknown

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